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Change Clothes | featured additional vocals pharrell williams uncredited produced neptunes.song reached no.billboard hot december .in danger mouses grey album remix cello harpsichord arrangement piggies beatles album beatles commonly known white album mixed song.music video video directed chris robinson features appearances russell simmons kimora lee simmons memphis bleek mary j. blige beanie sigel talk show host kelly ripa husband actor mark consuelos models naomi campbell jessica white liliana dominguez jade cole d. woods singer omahyra mota hoar mey bun rapper mos def.track listing cd single pt. |
Wind of Change (Scorpions song) | change clotheswhat say cd single pt.change clothesexcuse missi wanna luv u give mechange clothes video charts see also list songs recorded jayz referencespower ballad composed written bands lead singer klaus meine produced keith olsen band.lyrics composed meine following bands visit soviet union height perestroika enmity communist capitalist blocs subsided concurrently promulgation largescale socioeconomic reforms soviet union.wind change released albums third single january became worldwide hit failed coup would eventually lead end soviet union.song topped charts germany across europe peaked number four united states number two united kingdom.later appeared bands live album live bites album berlin philharmonic orchestra moment glory unplugged album acoustica.band also recorded russianlanguage version song title ветер перемен veter peremen spanish version called vientos de cambio winds change.with estimated sales million copies sold worldwide wind change one bestselling singles time. |
Wind of Change (Scorpions song) | holds record bestselling single german artist.band presented gold record royalties single mikhail gorbachev soviet news sources claiming money would allocated childrens hospitals.background writing klaus meine said interview time soviet union characterized mood cold war coming end music unifying factor peoples.memories time also transported music video song.meine inspired participation moscow music peace festival august lenin stadium scorpions performed front fansdie idee dazu ist mir der u.d.s.s.r. |
Wind of Change (Scorpions song) | gekommen als ich einer sommernacht im gorki park center saß und auf die moskwa geblickt habe.das lied ist meine persönliche aufarbeitung dessen den letzten jahren der welt passiert ist.idea came u.s.s.r. sitting gorky park center one summer night looking moskva river.song personal reappraisal happened world recent years.the lyrics celebrate glasnost soviet union end cold war speak hope time tense conditions arisen due fall communistrun governments among eastern bloc nations beginning .opening lines refer city moscows landmarksthe moskva name river runs moscow city river named identically russian gorky park urban park moscow named writer maxim gorky. |
Wind of Change (Scorpions song) | song also contains reference balalaika russian stringed instrument somewhat like guitar.balalaika mentioned following linesklaus meine rudolf schenker owners trade mark wind change.composition wind change opens clean guitar introduction played matthias jabs played alongside klaus meines flat whistle.songs guitar solo played rudolf schenker.claim cia creative input song subject podcast wind change released may raises questions regarding songs origin. |
Wind of Change (Scorpions song) | patrick radden keefe new yorker author host podcast investigates allegation song written connected central intelligence agency citing rumor originating allegedly inside agency.sirius xm interview eddie trunk may meine stated fascinating idea entertaining idea true all.” december deadline reported podcast adapted television series hulu directed alex karpovsky.legacy song became associated revolutions fall berlin wall also performed scorpions brandenburg gate november th anniversary fall berlin wall.in viewers german television network zdf chose song song century.wind change featured films search midnight kiss gentlemen broncos interview love island video game singstar rocks .song heard opening scene action comedy film spy dumped . |
Change of Habit | song also featured television shows melrose place chuck car share nutri ventures parody version.track listings charts certifications sales see also glasnostperestroikademokratizatsiya soviet unionbrandenburger tor references external links wind change music video youtubewritten james lee s.s. schweitzer eric bercovici based story john josephand richard morris film three catholic nuns preparing final vows sent rough inner city neighborhood dressed lay missionaries work clinic run young doctor.lives become complicated realities face inner city doctor falls love one nuns.the film produced joe connelly nbc productions distributed universal pictures.filmed location los angeles area universal studios march april change habit released united states november .spent four weeks variety box office survey peaking .change habit presleys st final film acting role remaining film appearances concert documentaries.film moores fourth final film brief universal pictures contract would appear another theatrical movie ordinary people . |
Change of Habit | moore edward asner also appears film would go star mary tyler moore show premiered september following year.plot dr. john carpenter physician ghetto clinic falls coworker michelle gallagher unaware nun.elvis stars professional man first time career.dr. carpenter heads clinic serving underprivileged community major metropolis ethnic puerto rican population.surprised offered assistance three women.unknown three nuns street clothing want aid community afraid local residents might reluctant seek help true identities known. |
Change of Habit | nuns also facing opposition rude arrogant priest local parish.dr. carpenter nuns shown dealing mute angry autistic girl boy severe speech impediment man beaten loan shark enforcers.nuns times sexually harassed loiterers well attempted rape scene .carpenter falls sister michelle gallagher played wholesome mary tyler moore sister michelles true vocation remains unknown dr. carpenter.also feelings doctor reluctant leave order.film concludes sister michelle sister irene entering church dr. carpenter singing pray guidance make choice. |
Change of Habit | cast credits orderuncredited cast production presleys future hollywood threat.although still financially successful mainly due make em quick make em cheap attitude presleys manager colonel tom parker presleys films making less profit recent years.parker struggled find studio willing pay presleys usual million fee struck deal nbc produce one feature film tv special entitled elvis.nbc would pay presley .million features parker happy knowledge still able earn million client.the film change habit announced mary tyler moore signing october . |
Change of Habit | considered moore vehicle january presley signed take lead role.although set new york city film shot los angeles area universal studios lot march april .released nationwide united states november spent four weeks variety box office survey peaking .mary tyler moore edward asner would soon become costars selfnamed mary tyler moore show one televisions enduring hits .change habit however shared scenes.reception a. h. weiler new york times reviewed film double bill house cards noted merely exemplary professional technique dialogue rather memorable characterization emotion.variety wrote intriguing idea wellenoughconstructed plotline flesh premise good family fare ... presley displays customary easy presence. |
Change of Habit | kevin thomas los angeles times wrote today simply much aware agonizing social injustices treated breezy jaunty touch simpleminded light comedy ... watch frantically bouncy thoroughly bogus business discomforting listening chalk screech across blackboard.change habit holds rating rotten tomatoes based ten reviews making presleys worstreceived film rotten tomatoes.soundtrack presley entered decca universal studio march two days record final dramatic motion picture soundtrack would come known comeback television special already broadcast attendant album first top ten lp four years finished sessions american sound studio yielding elvis memphis top ten singles ghetto suspicious minds would cement resurgence force american popular music.monthlong engagement international hotel paradise nevada lined august first live performances eight years clearly turned career around.a song recorded american rubberneckin would used film subsequently issued bside rca single dont cry daddy conjunction movie premiere.four songs would recorded soundtrack sessions lets friends would used film.four songs would released commercially budget albums lets friends title track change habit happy lets friends following year let us pray issued album youll never walk alone.some reference sources erroneously list outtake earlier presley film charro lets forget stars song also released lets friends album song recorded change habit. |
Control knob | see also list american films elvis presley film televisionelvis presley discography references external links change habit imdbchange habit rotten tomatoeschange habit tcm movie databasechange habit letterboxd change habit allmoviechange habit dvd verdictcontrol knobs simpler type input hardware one common components control systems found sorts devices taps gas stoves optical microscopes potentiometers radio tuners digital cameras well aircraft cockpits.operation control knob works turning shaft connects component produces actual input.common control components used include potentiometers variable capacitors rotary switches.example knob produce variation electrical signal may found many toasters darkness knob moves thermostat way change temperature opens releases cooked toast.similar controls produce similar inputs using different geometry example knob may replaced lever moved angle. |
Control knob | another example sliding controls frequently replace knobs level controls audio equipment.feedback use knobs important aspect design user interfaces devices.particular attention needs paid feedback operator adjustments made.use pointer knob conjunction scale assists producing repeatable settings cases may dial indicator either mechanically linked knobs rotation many older radio tuners reports behavior controlled.examples references |
Change blindness | example observers often fail notice major differences introduced image flickers again.peoples poor ability detect changes argued reflect fundamental limitations human attention.change blindness become highly researched topic argued may important practical implications areas eyewitness testimony distractions driving.history early anecdotal observations outside domain psychology phenomena related change blindness discussed since th century.film editing introduced movies editors began notice changes background noticed watching film. |
Change blindness | going back earlier william james – first mention lack ability detect change book principles psychology .earliest experimental reports research change blindness developed investigation phenomena eye movements working memory.although individuals good memory whether seen image generally poor recalling smaller details image.visually stimulated complex picture likely individuals retain gist image image entirety.the laboratory study change blindness began within context eye movement research.george mcconkie conducted first studies change blindness involving changes words texts studies changes introduced observer performed saccadic eye movement. |
Change blindness | observers often failed notice changes.in late first clear experimental demonstration published showing poor change detection complex displays brief intervals without eye movements involved.pashler showed observers poor detecting changes introduced arrays letters display flickered even offset brief milliseconds although offsets briefer produced much effective change detection.pashler concluded noting odd people generally report clear sense apprehending identities locations large numbers objects scene p. given introspective sense seemed quite surprising poor detection changes.research rise ability present complex realworld images computer screen mcconkie early part new research new beckman institute advanced science technology renewed investigations world looks stable continuous despite shifting retinal input signal accompanied saccade.research began john grimes dr. george mcconkie began use actual photographs study visual stability. |
Change blindness | development change blindness research able show effects change blindness realistic settings.additionally research stated rather large changes detected occur saccadic movements eye.first experiment kind blackmore et al.forced saccades moving image making change scene time.observers ability detect changes fell chance. |
Change blindness | effect stronger using method using brief grey flashes images although subsequent research mostly used grey flashes masking stimuli.another finding based similar studies stated change easily picked participants eye fixated point change.therefore eye must directly fixated area change noticed.called saccade target theory transsaccadic memory visual stability.however research mids indicated individuals still difficulty detecting change even directly fixated particular scene. |
Change blindness | rensink oregan clarke presented picture followed blank masking screen followed initial picture change.masking screen acts like saccadic eye movement.critical contribution change blindness research demonstrated change remain unnoticed smallest disruptions.research change blindness proceeded one step practical applications phenomenon.example masking stimulus order individuals miss change scene.individuals often take significantly longer notice certain changes small high contrast shapes temporarily splattered picture. |
Change blindness | method testing change blindness called “mudsplashes”.method particularly relevant individuals driving car visual obstruction windshield.obstruction may impair individuals ability detect change environment could result severe negative consequences driving.current research –present change detection research indicates detecting changes change blindness task easier items holistically processed faces.individuals notice change faster required detect changes facial features required detect changes images houses. |
Change blindness | however individuals better identifying nature change houses.other researchers discovered mental processing change blindness begins even change presented.specifically increased brain activity parietaloccipital occipital regions prior emergence change change blindness task.researchers also indicated difference brain activity detecting change identifying change image.detecting change associated higher erp eventrelated potential whereas identifying change associated increased erp change presented.additional research using fluctuations erps observed changes pictures change blindness represented brain even without perceivers conscious awareness change.change blindness effectively used process visualizing actual changes detected scenes.appropriate techniques possible enhance perception portion scene changed hiding non significant otherwise still visible changes.lucid dreaming lucid dreaming occurs one realizes events experienced within dream bizarre would occur ones waking life. |
Change blindness | inability notice bizarre nature dream coined example change blindness also known individuals nonlucid dreamers.however recent study found lucid dreamers perform better change blindness task nonlucid dreamers.therefore relation lucid dreamers change blindness discredited degree.teams another interesting area research decreased susceptibility change blindness individuals placed teams.although change blindness still observed within teams research indicated changes images noticed individuals work teams opposed individually. |
Change blindness | teamwork communication assist teams correctly identifying changes images.expertise another recent study looked relation expertise change blindness.physics experts likely notice change two physics problems novices.hypothesized experts better analyzing problems deeper level whereas novices employ surfacelevel analysis.research suggests observing phenomenon change blindness may conditional upon context task. |
Change blindness | choice blindness cognitive psychologists expanded study change blindness decisionmaking.one study showed participants ten pairs faces asked choose face attractive.pairs experimenter used sleight hand show participants face chosen.subjects noticed mismatch choice face different face shown instead.experimenters tested pairs faces either high similarity low similarity detection rate different conditions. |
Change blindness | subjects also asked give reasons chosen face although due sleight hand actually hadnt chosen it.despite mismatch subjects gave responses comparable emotionality specificity certainty faces actually chosen.research shown failure detect mismatches intention outcome exists consumer product choices political attitudes.counteraction prior research early part decade shown change blindness counteracted number methods.shifting attention visual cue help lower negative effects change blindness. |
Change blindness | stimulation superior colliculus improves performance reaction time way.however recent research also done countering tactile change blindness.study riggs et al.shows three successful methods limiting tactile change blindness distinguishing changes vibration patterns attention guidance signal gradation direct comparison.three methods seek bring attention area change. |
Change blindness | attention guidance works proactively increasing frequency cue.second third methods reactive based errorfeedback.signal gradation increases intensity vibration change missed.direct comparison pairs prechange postchange vibration intensities without gap change missed support use relative judgment rather absolute.significantly improve performance second third countermeasures effective. |
Change blindness | concentration attention also major factors avoiding change blindness.nonhumans though comparatively little research done change blindness animals species animals exhibited effects change blindness humans.using motion detection paradigm monkeys humans researchers found results showing change blindness motion.pigeons demonstrate change blindness also influenced salience timing change scenery like humans.chimpanzees similarly difficulty detecting change flickertype visual search blank display shown. |
Change blindness | positional switches stimulus difficult chimpanzees detect.results show levels attention demanded chimpanzees humans tasks.change detection methods saccade forcing paradigm method used first experiment.change made image time image moved unpredictable direction forcing saccade.method mimics eye movements detect change blindness without introducing blank screens masking stimuli mudsplashes. |
Change blindness | however unclear small additions image predict people unable notice larger changes image position eye.flicker paradigm paradigm image altered image switched back forth blank screen middle.procedure performed high rate observers instructed click button soon see difference two images.method studying change blindness helped researchers discover two important findings.first finding usually takes individuals notice change even though instructed search change. |
Change blindness | cases even take individuals one minute constant flickers determine location change.second important finding changes towards middle picture noticed faster rate changes side picture.although flicker paradigm first used late still commonly used current research change blindness contributed current knowledge change blindness.forced choice detection paradigm individuals tested forced choice paradigm allowed view two pictures make choice.images also shown amount time. |
Change blindness | flicker paradigm forced choice detection paradigm known intentional change detection tasks means participants know trying detect change.studies shown even participants focusing attention searching change change may remain unnoticed.mudsplashes mudsplashes small high contrast shapes scattered image cover area picture change occurs.mudsplash effect prevents individuals noticing change two pictures.practical application paradigm dangerous stimuli scene may noticed slight obstructions individuals visual field. |
Change blindness | previously stated humans hold good internal representation visual stimuli.studies involving mudsplashes shown change blindness may occur internal representations visual stimuli may much worse previous studies shown.mudsplashes used frequently flicker forced choice detection paradigms change blindness research yielded many significant groundbreaking results.foregroundbackground segregation foregroundbackground segregation method studying change blindness uses photographs scenery distinct foreground background.researchers using paradigm found individuals usually able recognize relatively small changes foreground image. |
Change blindness | addition large changes colour background take significantly longer detect.paradigm critical change blindness research many previous studies examined location changes visual field.neuroanatomy neuroimaging various studies used mris magnetic resonance imaging measure brain activity individuals detect fail detect change environment.individuals detect change neural networks parietal right dorsolateral prefrontal lobe regions strongly activated.individuals instructed detect changes faces fusiform face area also significantly activated. |
Change blindness | addition structures pulvinar cerebellum inferior temporal gyrus also showed increase activation individuals reported change.proposed parietal frontal cortex along cerebellum pulvinar might used direct organisms attention change environment.decrease activation brain areas observed change detected organism.furthermore neurological activation highlighted brain areas correlated individuals conscious awareness change physical change itself.other studies using fmri functional magnetic resonance imaging scanners shown change consciously detected significant decrease dorsolateral prefrontal parietal lobe regions.results importance dorsolateral prefrontal parietal cortex detection visual change. |
Change blindness | addition fmri studies recent research used transcranial magnetic stimulation tms order inhibit areas brain participants instructed try detect change two images.results show posterior parietal cortex ppc inhibited individuals significantly slower detecting change.ppc critical encoding maintaining visual images short term working memory demonstrates importance ppc terms detecting changes images.change detected information first picture needs held working memory compared second picture.ppc inhibited area brain responsible encoding visual images function properly. |
Change blindness | information encoded held working memory compared second picture thus inducing change blindness.role attention role attention critical organisms ability detect change.order organism detect change visual stimulation must enter eye proceed visual stream brain.study demonstrated superior colliculus responsible eye movements monkeys brain electrically stimulated would significant decrease reaction time detect change.therefore critical organisms attend change order detected. |
Change blindness | organisms able detect change visual stimulation comes eye movements controlled superior colliculus subsequently processed visual stream.influencing factors age age implicated one factors modulates severity change blindness.study conducted veiel et al.found older individuals slower detect changes change blindness experiment younger individuals.trend also noticed caird et al. |
Change blindness | found drivers aged older prone making incorrect decisions change blindness paradigm used intersection participants aged –.age differences change detection become pronounced task easier.actual shift ability occur least age peoples confidence ability detect change drops significantly middleage.children – years old looked colored pictures real world scenes manipulated color location objects removal objects central peripheral focus image.adults accurate noticing changes occur picture.children accurately detect central changes arent good detecting peripheral changes accuracy depends type manipulation.younger drivers average years old compared older drivers average years old. |
Change blindness | images presented screen showing various driving situations included original image modified image participants identify change occurred modified version any.older drivers expressed reduced accuracy higher reaction times false positive responses compared younger drivers.attention attention another factor implicated change blindness.increasing shifts attention decrease severity change blindness changes foreground detected readily changes made background image effect intentional bias foreground elements.community volunteers focus screen accurately identify change series dots fixated point center screen.distraction attention visual disruptions observers ability focus potential change found effect attention change blindness. |
Change blindness | object presentation object presentation way objects appear factor determines occurrence change blindness.change blindness occur even without delay original image altered image change image forces viewer redefine objects image.additionally appearance new object resistant change blindness looming object appearance new object looming object resistant change blindness receding object.furthermore appearance onset object resistant occurrence change blindness disappearance offset object.substance use substance use found affect detection biases change detection tasks. |
Change blindness | individual presented two changes simultaneously change related substance use regularly reported using substance detecting neutral stimuli.indicates relationship substance use change detection within change blindness paradigm.bias devoting attention drugrelevant stimuli also observed problem drinkers.individuals severe drinking problem quicker detect changes alcoholrelated stimuli neutral stimuli.alcohol sometimes improve change blindness.example intoxicated participants quicker detecting minor changes large displays images sober participants. |
Change blindness | could attributed passive viewings larger images use alcohol slows controlled search processes.active viewing involves saccades fixations.viewing image passive search information processed fixation.alcohol slows movement processing brain therefore causing fixation points.senses addition change blindness induced changes visual images change blindness also exists senses change deafness – change deafness concept change blindness auditory information.experiment vitevitch used speech shadowing task demonstrate change deafness. |
Change blindness | presented list words participants simultaneously repeat words heard.halfway list either different speaker presented second half words participants.least participants failed detect change speaker occurred.fenn et al.called participants phone replaced speaker middle conversation. |
Change blindness | participants rarely noticed change.however explicitly monitoring change participants detection increased.neuhoff et al.expanded idea change deafness identified new phenomenon called slowchange deafness using series four experiments.first experiment participants listen continuous speech changed three semitones pitch time. |
Change blindness | fifty percent participants failed notice change.second third experiments listeners alerted possibility change.trials detection rates drastically improved.fourth experiment magnitude change occurred stimulus increased causing detection rates increase.experiments demonstrated slowchange deafness depends magnitude stimulus change listeners expectations.olfactory – humans constantly state change blindness due poor spatial temporal resolutions scents detected. |
Change blindness | although humans odor detection thresholds low olfactory attention captured unusually high odorant concentrations.olfactory input made series sniffs separated time.long intersniffinterval creates change anosmia humans trouble discerning smells highly concentrated.period sensory habituation well low concentrations odorants regularly yield subjective experience.behavior called experiential nothingness.somatosensory – somatosensory change blindness tactile stimuli observed reveals important information distinction visual change blindness. |
Change blindness | auvray et al.experiment ability detect change two patterns tactile stimuli presented fingertips.experiments presented consecutive patterns separated empty interval tactile visual auditory mask.results showed performance impaired empty interval inserted even tactile mask introduced.changes tactile displays composed two three stimuli one distractor go unnoticed several distractors needed visual displays go unnoticed. |
Change blindness | experiments shown us ability monitor tactile information affected severe limitations ability within visual modality.practical implications phenomenon change blindness practical implications following areas eyewitness testimony research change blindness uncovered possibility inaccuracy eyewitness testimony.many cases witnesses rarely able detect change criminals identity unless first intending remember incident question.inability detect change identity lead inaccuracy identifying criminals mistaken eyewitness identification wrongful conviction.therefore eyewitness testimonies handled caution court order avoid negative consequences. |
Change blindness | driving ability older drivers make incorrect decisions younger drivers faced change scene intersection.attributed fact older individuals notice change slower rate compared younger individuals.addition location relevance changes effect noticed driving.reaction time changes drivers peripherals much slower reaction time changes occur towards center drivers visual field.furthermore drivers also able recognize relevant changes opposed irrelevant ones. |
Change blindness | research effects change blindness driving could provide insight potential explanations car accidents occur.military military command control personnel monitor multiple displays delayed time accurately identify changes due necessity verifying changes well effective guessing trials.due fact control personnel delayed reaction change blindness interface design computer work stations may extremely beneficial improve reaction time accuracy.blindness change blindness defined misplaced confidence ones ability correctly identify visual changes.people fairly confident ability detect change people exhibit poor performance change blindness task. |
Change blindness | factors perceived success – higher perception success previous experience inflates individuals confidence success future experiences.search time – longer time spent looking visual change creates impression poor performance task.words shorter time identifying visual change creates impression good performance thus individual overconfident ability.spotlight effect spotlight effect social phenomenon defined overestimation ability others notice us.seemingly obvious change another individual changing sweater memory task rarely noticed.however individuals switching sweater tend overestimate ability test writers notice change sweaters. |
Change blindness | spotlight effect poor performance result overestimation others ability notice us whereas change blindness overestimation others ability notice sweater change.words distinction noticing differences person noticing differences images.see also attentionchange deafnessinattentional blindnessintrospection illusionmemorymotion blindnessneuroimagingsaccadesalience neuroscienceselective attentionspot differencethe invisible gorillavisual short term memory references reading becker mark pashler harold dec volatile visual representations failing detect changes recently processed information psychonomic bulletin review – doi.bf pmid henderson john m. hollingworth andrew role fixation position detecting scene changes across saccades pdf psychological science vol.no.pp. |
Change blindness | – doi.. scid levin daniel t. simons daniel j. failure detect changes attended objects motion pictures psychonomic bulletin review vol.no.pp.– doi.bf scid myers david g. psychologypashler harold e. familiarity visual change detection pdf perception psychophysics – doi.bf pmid scid silverman m. mack a. change blindness priming occur consciousness cognition vol.no. |
Change blindness | pp.– doi.j.concog... pmid scid simons daniel j. levin daniel t. failure detect changes people realworld interaction psychonomic bulletin review vol.no.pp.– doi.bf scid smith hayley milne elizabeth march reduced change blindness suggests enhanced attention detail individuals autism j child psychol psychiatry – doi.j....x pmid simons daniel chabris christopher may gorillas midst sustained inattentional blindness dynamic events pdf perception – citeseerx .... doi.p pmid archived original pdf external links examples change blindnessten demos change blindness university british columbia requires quicktimedemos university illinois gradual changes scenes examples motionpicture based change detection. |
SCADA | also includes demonstrations inattentional blindness.requires quicktime require javadan dennetts talk ted shows visual illusions including several striking examples change blindness.recreation simons levin experiment british illusionist derren brownalso covers sensors devices programmable logic controllers interface process plant machinery.explanation operator interfaces enable monitoring issuing process commands like controller set point changes handled scada computer system.subordinated operations e.g.realtime control logic controller calculations performed networked modules connected field sensors actuators.the scada concept developed universal means remoteaccess variety local control modules could different manufacturers allowing access standard automation protocols.practice large scada systems grown become similar distributed control systems function using multiple means interfacing plant. |
SCADA | control largescale processes include multiple sites work large distances well small distance.one commonlyused types industrial control systems spite concerns scada systems vulnerable cyberwarfarecyberterrorism attacks.control operations key attribute scada system ability perform supervisory operation variety proprietary devices.the accompanying diagram general model shows functional manufacturing levels using computerised control.referring diagramlevel contains field devices flow temperature sensors final control elements control valves.level contains industrialised inputoutput io modules associated distributed electronic processors.level contains supervisory computers collate information processor nodes system provide operator control screens.level production control level directly control process concerned monitoring production targets.level production scheduling level.level contains programmable logic controllers plcs remote terminal units rtus.level contains scada readings equipment status reports communicated level scada required.data compiled formatted way control room operator using hmi human machine interface make supervisory decisions adjust override normal rtu plc controls.data may also fed historian often built commodity database management system allow trending analytical auditing.scada systems typically use tag database contains data elements called tags points relate specific instrumentation actuators within process system. |
SCADA | data accumulated unique process control equipment tag references.examples use large small systems built using scada concept.systems range tens thousands control loops depending application.example processes include industrial infrastructure facilitybased processes described belowindustrial processes include manufacturing process control power generation fabrication refining may run continuous batch repetitive discrete modes.infrastructure processes may public private include water treatment distribution wastewater collection treatment oil gas pipelines electric power transmission distribution wind farms.facility processes including buildings airports ships space stations.monitor control heating ventilation air conditioning systems hvac access energy consumption.however scada systems may security vulnerabilities systems evaluated identify risks solutions implemented mitigate risks. |
SCADA | system components scada system usually consists following main elements supervisory computers core scada system gathering data process sending control commands field connected devices.refers computer software responsible communicating field connection controllers rtus plcs includes hmi software running operator workstations.smaller scada systems supervisory computer may composed single pc case hmi part computer.larger scada systems master station may include several hmis hosted client computers multiple servers data acquisition distributed software applications disaster recovery sites.increase integrity system multiple servers often configured dualredundant hotstandby formation providing continuous control monitoring event server malfunction breakdown. |
SCADA | remote terminal units remote terminal units also known rtus connect sensors actuators process networked supervisory computer system.rtus embedded control capabilities often conform iec standard programming support automation via ladder logic function block diagram variety languages.remote locations often little local infrastructure uncommon find rtus running small solar power system using radio gsm satellite communications ruggedised survive c c even c c without external heating cooling equipment.programmable logic controllers also known plcs connected sensors actuators process networked supervisory system.factory automation plcs typically high speed connection scada system. |
SCADA | remote applications large water treatment plant plcs may connect directly scada wireless link commonly utilise rtu communications management.plcs specifically designed control founding platform iec programming languages.economical reasons plcs often used remote sites large io count rather utilising rtu alone.communication infrastructure connects supervisory computer system rtus plcs may use industry standard manufacturer proprietary protocols.both rtus plcs operate autonomously nearreal time control process using last command given supervisory system.failure communications network necessarily stop plant process controls resumption communications operator continue monitoring control. |
SCADA | critical systems dual redundant data highways often cabled via diverse routes.humanmachine interface humanmachine interface hmi operator window supervisory system.presents plant information operating personnel graphically form mimic diagrams schematic representation plant controlled alarm event logging pages.hmi linked scada supervisory computer provide live data drive mimic diagrams alarm displays trending graphs.many installations hmi graphical user interface operator collects data external devices creates reports performs alarming sends notifications etc.mimic diagrams consist line graphics schematic symbols represent process elements may consist digital photographs process equipment overlain animated symbols.supervisory operation plant means hmi operators issuing commands using mouse pointers keyboards touch screens. |
SCADA | example symbol pump show operator pump running flow meter symbol show much fluid pumping pipe.operator switch pump mimic mouse click screen touch.hmi show flow rate fluid pipe decrease real time.the hmi package scada system typically includes drawing program operators system maintenance personnel use change way points represented interface.representations simple onscreen traffic light represents state actual traffic light field complex multiprojector display representing position elevators skyscraper trains railway.a historian software service within hmi accumulates timestamped data events alarms database queried used populate graphic trends hmi.historian client requests data data acquisition server. |
SCADA | alarm handling important part scada implementations alarm handling.system monitors whether certain alarm conditions satisfied determine alarm event occurred.alarm event detected one actions taken activation one alarm indicators perhaps generation email text messages management remote scada operators informed.many cases scada operator may acknowledge alarm event may deactivate alarm indicators whereas indicators remain active alarm conditions cleared.alarm conditions explicit—for example alarm point digital status point either value normal alarm calculated formula based values analogue digital points—or implicit scada system might automatically monitor whether value analogue point lies outside high low limit values associated point.examples alarm indicators include siren popup box screen coloured flashing area screen might act similar way fuel tank empty light car case role alarm indicator draw operators attention part system alarm appropriate action taken.plcrtu programming smart rtus standard plcs capable autonomously executing simple logic processes without involving supervisory computer. |
SCADA | employ standardized control programming languages iec suite five programming languages including function block ladder structured text sequence function charts instruction list frequently used create programs run rtus plcs.unlike procedural language like c fortran iec minimal training requirements virtue resembling historic physical control arrays.allows scada system engineers perform design implementation program executed rtu plc.a programmable automation controller pac compact controller combines features capabilities pcbased control system typical plc.pacs deployed scada systems provide rtu plc functions.many electrical substation scada applications distributed rtus use information processors station computers communicate digital protective relays pacs devices io communicate scada master lieu traditional rtu. |
SCADA | plc commercial integration since virtually major plc manufacturers offered integrated hmiscada systems many using open nonproprietary communications protocols.numerous specialized thirdparty hmiscada packages offering builtin compatibility major plcs also entered market allowing mechanical engineers electrical engineers technicians configure hmis without need custommade program written software programmer.the remote terminal unit rtu connects physical equipment.typically rtu converts electrical signals equipment digital values.converting sending electrical signals equipment rtu control equipment.communication infrastructure methods scada systems traditionally used combinations radio direct wired connections although sonetsdh also frequently used large systems railways power stations. |
SCADA | remote management monitoring function scada system often referred telemetry.users want scada data travel preestablished corporate networks share network applications.legacy early lowbandwidth protocols remains though.scada protocols designed compact.many designed send information master station polls rtu.typical legacy scada protocols include modbus rtu rp profibus conitel. |
SCADA | communication protocols exception modbus modbus made open schneider electric scadavendor specific widely adopted used.standard protocols iec iec dnp.communication protocols standardized recognized major scada vendors.many protocols contain extensions operate tcpip.although use conventional networking specifications tcpip blurs line traditional industrial networking fulfill fundamentally differing requirements. |
SCADA | network simulation used conjunction scada simulators perform various whatif analyses.with increasing security demands north american electric reliability corporation nerc critical infrastructure protection cip us increasing use satellitebased communication.key advantages infrastructure selfcontained using circuits public telephone system builtin encryption engineered availability reliability required scada system operator.earlier experiences using consumergrade vsat poor.modern carrierclass systems provide quality service required scada.rtus automatic controller devices developed advent industry wide standards interoperability.result developers management created multitude control protocols. |
SCADA | among larger vendors also incentive create protocol lock customer base.list automation protocols compiled here.an example efforts vendor groups standardize automation protocols opcua formerly ole process control open platform communications unified architecture.architecture development scada systems evolved four generations follows first generation monolithic early scada system computing done large minicomputers.common network services exist time scada developed.thus scada systems independent systems connectivity systems. |
SCADA | communication protocols used strictly proprietary time.firstgeneration scada system redundancy achieved using backup mainframe system connected remote terminal unit sites used event failure primary mainframe system.first generation scada systems developed turn key operations ran minicomputers pdp series.second generation distributed scada information command processing distributed across multiple stations connected lan.information shared near real time. |
SCADA | station responsible particular task reduced cost compared first generation scada.network protocols used still standardized.since protocols proprietary people beyond developers knew enough determine secure scada installation was.security scada installation usually overlooked.third generation networked similar distributed architecture complex scada reduced simplest components connected communication protocols. |
SCADA | case networked design system may spread across one lan network called process control network pcn separated geographically.several distributed architecture scadas running parallel single supervisor historian could considered network architecture.allows costeffective solution large scale systems.fourth generation webbased growth internet led scada systems implement web technologies allowing users view data exchange information control processes anywhere world web socket connection.early saw proliferation web scada systems. |
SCADA | web scada systems use internet browsers google chrome mozilla firefox graphical user interface gui operators hmi.simplifies client side installation enables users access system various platforms web browsers servers personal computers laptops tablets mobile phones.security issues scada systems tie together decentralized facilities power oil gas pipelines water distribution wastewater collection systems designed open robust easily operated repaired necessarily secure.move proprietary technologies standardized open solutions together increased number connections scada systems office networks internet made vulnerable types network attacks relatively common computer security.example united states computer emergency readiness team uscert released vulnerability advisory warning unauthenticated users could download sensitive configuration information including password hashes inductive automation ignition system utilizing standard attack type leveraging access tomcat embedded web server. |
SCADA | security researcher jerry brown submitted similar advisory regarding buffer overflow vulnerability wonderware inbatchclient activex control.vendors made updates available prior public vulnerability release.mitigation recommendations standard patching practices requiring vpn access secure connectivity.consequently security scadabased systems come question seen potentially vulnerable cyber attacks.in particular security researchers concerned aboutthe lack concern security authentication design deployment operation existing scada networksthe belief scada systems benefit security obscurity use specialized protocols proprietary interfacesthe belief scada networks secure physically securedthe belief scada networks secure disconnected internetscada systems used control monitor physical processes examples transmission electricity transportation gas oil pipelines water distribution traffic lights systems used basis modern society.security scada systems important compromise destruction systems would impact multiple areas society far removed original compromise. |
SCADA | example blackout caused compromised electrical scada system would cause financial losses customers received electricity source.security affect legacy scada new deployments remains seen.there many threat vectors modern scada system.one threat unauthorized access control software whether human access changes induced intentionally accidentally virus infections software threats residing control host machine.another threat packet access network segments hosting scada devices.many cases control protocol lacks form cryptographic security allowing attacker control scada device sending commands network. |
SCADA | many cases scada users assumed vpn offered sufficient protection unaware security trivially bypassed physical access scadarelated network jacks switches.industrial control vendors suggest approaching scada security like information security defense depth strategy leverages common practices.the reliable function scada systems modern infrastructure may crucial public health safety.attacks systems may directly indirectly threaten public health safety.attack already occurred carried maroochy shire councils sewage control system queensland australia.shortly contractor installed scada system january system components began function erratically. |
SCADA | pumps run needed alarms reported.critically sewage flooded nearby park contaminated open surfacewater drainage ditch flowed meters tidal canal.scada system directing sewage valves open design protocol kept closed.initially believed system bug.monitoring system logs revealed malfunctions result cyber attacks. |
SCADA | investigators reported separate instances malicious outside interference culprit identified.attacks made disgruntled exemployee company installed scada system.exemployee hoping hired utility fulltime maintain system.in april commission assess threat united states electromagnetic pulse emp attack issued critical infrastructures report discussed extreme vulnerability scada systems electromagnetic pulse emp event.testing analysis commission concluded scada systems vulnerable emp event.large numbers widespread reliance systems nation’s critical infrastructures represent systemic threat continued operation following emp event. |
SCADA | additionally necessity reboot repair replace large numbers geographically widely dispersed systems considerably impede nation’s recovery assault.many vendors scada control products begun address risks posed unauthorized access developing lines specialized industrial firewall vpn solutions tcpipbased scada networks well external scada monitoring recording equipment.the international society automation isa started formalizing scada security requirements working group wg.wg deals specifically unique technical requirements measurements features required evaluate assure security resilience performance industrial automation control systems devices.the increased interest scada vulnerabilities resulted vulnerability researchers discovering vulnerabilities commercial scada software general offensive scada techniques presented general security community.electric gas utility scada systems vulnerability large installed base wired wireless serial communications links addressed cases applying bumpinthewire devices employ authentication advanced encryption standard encryption rather replacing existing nodes.in june antivirus security company virusblokada reported first detection malware attacks scada systems siemens winccpcs systems running windows operating systems.malware called stuxnet uses four zeroday attacks install rootkit turn logs scadas database steals design control files.malware also capable changing control system hiding changes. |
Parental controls | malware found systems majority located iran.in october national geographic released docudrama titled american blackout dealt imagined largescale cyber attack scada united states electrical grid.see also dnpiec epics references external links uk scada security guidelinesbbc news technology spies infiltrate us power gridcontrols created assist parents ability restrict certain content viewable children.may content deem inappropriate age maturity level feel aimed adult audience.parental controls fall roughly four categories content filters limit access age inappropriate content usage controls constrain usage devices placing timelimits usage forbidding certain types usage computer usage management tools enforces use certain software monitoring track location activity using devices.content filters first popular type parental controls limit access internet content.television stations also began introduce vchip technology limit access television content.modern usage controls able restrict range explicit content explicit songs movies. |
Parental controls | also able turn devices specific times day limiting volume output devices gps technology becoming affordable possible easily locate devices mobile phones.the demand parental control methods restrict content increased decades due rising availability internet.icm survey showed almost quarter people age exposed online pornography.restricting especially helps cases children exposed inappropriate content accident.monitoring may effective lessening acts cyberbullying within internet.unclear whether parental controls affect online harassment children little known role family plays protecting children undesirable experiences online. |
Parental controls | psychologically cyberbullying could harmful victim traditional bullying.studies done past shown adolescents subjected cyberbullying.lack parental controls household could enable kids part cyberbullying victim cyberbullying.overview behavioral control consists controlling amount time child spends online much child view.psychological control involves parents trying influence childrens behavior.several techniques exist creating parental controls blocking websites. |
Parental controls | addon parental control software may monitor api order observe applications web browser internet chat application intervene according certain criteria match database banned words.virtually parental control software includes password form authentication prevent unauthorized users disabling ittechniques involving proxy server also used.web browser set send requests web content proxy server rather directly web server intended.proxy server fetches web page server browsers behalf passes content browser.proxy servers inspect data sent received intervene depending various criteria relating content page url requested example using database banned words banned urls. |
Parental controls | proxy methods major disadvantage requires client application configured utilize proxy possible user reconfigure applications access internet directly rather going proxy control easily bypassed.proxy servers may used circumvent parental controls.techniques used bypass parental controls.the computer usage management method unlike content filters focused empowering parents balance computing environment children regulating gaming.main idea applications allow parents introduce learning component computing time children must earn gaming time working educational contents.lately networkbased parental control devices emerged.devices working firewall router use packet filtering dns response policy zone rpz deep packet inspection dpi methods block inappropriate web content. |
Parental controls | methods used commercial governmental communication networks.another form devices made home networks developed.devices plug home router create new wireless network specifically designed kids connect to.parental controls mobile devices increased use mobile devices include full featured internet browsers downloadable applications created demand parental controls devices.examples mobile devices contain parental controls include cell phones tablets ereaders. |
Parental controls | november verizon first carrier offer ageappropriate content filters well first offer generic content filters recognizing mobile devices used access manner content movies music shortcode programs websites.june iphone os .apple first company provide builtin mechanism mobile devices create age brackets users would block unwanted applications downloaded device.following years developers major operating systems presented inbuilt tools parental control including linux android windows even businessoriented platform blackberry.also applications allow parents monitor realtime conversations childrens phone via access text messages browser history application history. |
Parental controls | example one trend micro offers protection viruses also offers parental controls phones tablets almost brands.offer ability add extra features parental controls.apps features mobile devices already additional features able monitor filter textscalls protection surfing web denied access specific websites.applications sort created rising competition market.mobile device software enables parents restrict applications child access also allowing parents monitor text messages phone logs mms pictures transactions occurring childs mobile device enable parents set time limit usage mobile devices track exact location children well monitor calls content texts.software also allows parents monitor social media accounts. |
Parental controls | parents able view posts pictures interactions real time.another function software keep track bullying.most internet providers offer nocost filtering options limit internet browsing options block unsuitable content.implementing parental controls discussing internet safety useful steps protect children inappropriate information.although parental controls protect children also come negative factors.childrens anxiety may increase due parental controls.extreme cases child may become angry destroy device defeating purpose parental controls entirely. |
Parental controls | case might better idea forgo installing parental controls.methods bypass parental controls several methods bypassing parental controls used.if filtering software located locally within computer internet software easily bypassed booting computer question alternative media alternative operating system windows safe mode.however computers bios configured disallow booting removable media changes bios prohibited without proper authentication booting alternative operating system available without circumventing bios security partially disassembling computer resetting bios configuration using button jumper removing replacing internal button cell battery.using external proxy servers servers.user sends requests external server retrieves content users behalf.filtering software may never able know urls user accessing communications one external server filtering software never sees communications web servers content really originated. |
Parental controls | counter filtering software may also block access popular proxies.additionally filtering systems permit access set allowed urls whitelisting permit access anything outside list including proxy servers.resetting passwords using exploitsmodifying softwares filesbruteforce attacks software passwordsincognitoinprivate modes image tab users parental control software parental control routers may use safe search safesearch enforce filtering major search engines.however browsers user may select incognito inprivate browsing enter search terms content select image tab effectively bypass safe search many parental control filters.see router based considerations solutions.filtering occurs outside individuals computer router cannot bypassed using methods except incognitoinprivate modes.howeverthe major search engines cache serve content servers. |
Parental controls | result domain filters many third party dns servers also fail filter incognitoinprivate image tab.most commercially available routers parental controls enforce safe search router therefore filter incognitoinprivate image tab.criticism parental controls added various electronic mediums increased popularity question raised enough protect deter children exposure inappropriate material.speculated researchers strict focus control may hinder childs ability learn selfgoverning skills restricting growth open communication parent child.video game systems used parental controls playstation playstation playstation playstation dvdsplaystation vitaplaystation portablexbox consolexbox xbox onexbox series x series snintendo dsinintendo dsnintendo switchwiiwii ugamesticknintendo ds operating systems parental controls list popular operating systems currently builtin parental control featuresandroid operating systemios latermac os x .laterdoudoulinux builtin web filtersabily builtin web filterubuntu christian edition builtin web filterwindows vista laterchrome os later see also adultismdavid burtinternet censorshiplist parental control softwaremotion picture rating systemtelevision rating systemvideogame rating councilretinax studiossmart sherifffind kids references |
Engineering support | role change management analyst includes ensuring adequate documentation support available users.in position described national weather service usa followsthe change management analysts responsibilities include analyzing request change prior distributing review processing obtaining missing data scheduling providing secretarial assistance agendas minutes configuration control board program management committee meetings maintaining current status request changes including action items maintaining charters terms reference tor coordinating request change appeals process.notes referenceskey issues engineering support coordinate participants provide engineer environment also called workspace work independently task duration.former one refers cooperative work support latter one mostly called workspace support.cooperative work support cooperative work support introduced since many concurrent workspaces may contain change objects files.needs synchronize objects control concurrent work.also important since duration activity long means files would locked long severe dead lock would occur solve problem merge algorithm used resynchronizing objects. |
Engineering support | synchronizing method shown figure object used work groups.order prevent overlapping integration work space created coordinate two development workspaces.compared database integration work space plays role central db basic work spaces play role cache concurrent transactions.development work spaces report integrate arrows figure integration work space regularly receive new version work concurrently groups.seeing outside complete group behaves integration work space along tree nodes either groups basic work spaces constructed record history. |
Engineering support | containment two workspaces may mean either work decomposition concurrent activities different level validation.control concurrent work control concurrent work dealing problems perform change time attribute object.priority introduced solve part problem field still research.in software configuration management scm merge used combine files based line line comparison method.merge control commonly applied changes attribute different objects changes different attributes object.object concurrent change control subsumes traditional file control provides homogeneous elegant solutions many difficulties currently hamper concurrent software engineering. |
Engineering support | workspace support software configuration management scm system responsible providing workspace engineer right file system right time let users work independently save update changes automatically job done.sometimes later one also said change management.merge tools widely used facilitate workspace support.following chart provides process flow merge tools based line line comparison method.the upper process flow digram presents main principle merge tools software configuration management.source file required second workespace center db deliver copy file it.submitting versions file merger tools start combine two version new one. |
Helicopter flight controls | based line line process new lines submitted version add source file lines exist new version delete lines source file.several times iteration new version sources file contains changes created two authors upload central db acts new version source file.changes aircraft flight control system transmit mechanically rotor producing aerodynamic effects rotor blades make helicopter move deliberate way.tilt forward back pitch sideways roll requires controls alter angle attack main rotor blades cyclically rotation creating differing amounts lift force different points cycle.increase decrease overall lift requires controls alter angle attack blades collectively equal amounts time resulting ascent descent acceleration deceleration.a typical helicopter three flight control inputs—the cyclic stick collective lever antitorque pedals.depending complexity helicopter cyclic collective may linked together mixing unit mechanical hydraulic device combines inputs sends along mixed input control surfaces achieve desired result.manual throttle may also considered flight control needed maintain rotor speed smaller helicopters without governors. |
Helicopter flight controls | governors also help pilot control collective pitch helicopters main rotors keep stable accurate flight.controls cyclic cyclic control commonly called cyclic stick cyclic similar appearance helicopters control stick conventional aircraft.cyclic stick commonly rises beneath front pilots seat.robinson r teetering cyclic design connected central column located two seats.helicopters flybywire systems allow cyclicstyle controller mounted side pilot seat.the cyclic used control main rotor order change helicopters direction movement. |
Helicopter flight controls | hover cyclic controls movement helicopter forward back laterally.forward flight cyclic control inputs cause flight path changes similar fixedwing aircraft flight left right inputs cause helicopter roll turn desired direction forward back inputs change pitch attitude helicopter resulting altitude changes climbing descending flight.the control called cyclic changes mechanical pitch angle feathering angle main rotor blade independently depending position cycle.pitch changed blade angle incidence passes point cycle changing lift generated blade point causing blade change angle incidence rotate slightly along long axis sequence passes point.point dead ahead blade pitch increases briefly direction.thus pilot pushes cyclic forward rotor disk tilts forward helicopter drawn straight ahead. |
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