id stringlengths 15 54 | text stringlengths 3 133k | title stringclasses 1
value |
|---|---|---|
crazy_file_add_variable/Report2020Undergradu_25.txt | open-loop control is not successful, the error will accumulate over time and rapidly diverge. It is also
necessary to discuss closed-loop control for understanding of the flight controller on a quadrotor.
For closed-loop control, the current state of the system is accurately estimated through measurements
from the sens... | |
crazy_file_add_variable/Report2020Undergradu_99.txt | 84
Camera View
Quadrotor
Translational
DOFs
Target Translational DOFs
Ground
Two-Dimensional
Perspective
Figure 52: Arrangement for end-point closed-loop control through detection and tracking of a target.
isolates the on-board camera from the effects of rolling and pitching; or digital compensation, where
the image is... | |
crazy_file_add_variable/pythonapi_107.txt | Basic usage | |
crazy_file_add_variable/incorrectbatteryvolt_11.txt | [ r/CrazyFlie ](/r/CrazyFlie/) | |
crazy_file_add_variable/cfclientutilslogconf_35.txt | * * * | |
crazy_file_add_variable/pythonapi_93.txt |
add_config(logconf)
"""Add a log configuration to the logging framework.
When doing this the contents of the log configuration will be validated
and listeners for new log configurations will be notified. When
validating the configuration the variabl... | |
crazy_file_add_variable/Report2020Undergradu_85.txt | 55 # Find and identify the contours within the current frame.
56 image, contours, hierarchy = cv.findContours (threshold, cv.RETR_TREE,
> cv.CHAIN_APPROX_SIMPLE) # This line should be used for OpenCV Python 3.X.
57 #contours, hierarchy = cv.findContours (processed, cv.RETR_TREE,
> cv.CHAIN_APPROX_SIMPLE) # This line sh... | |
crazy_file_add_variable/pythonapi_55.txt | Opening and closing a communication link is done by using the Crazyflie
object: | |
crazy_file_add_variable/incorrectbatteryvolt_73.txt | [ Reddit, Inc. © 2024. All rights reserved. ](https://redditinc.com) | |
crazy_file_add_variable/pythonapi_18.txt | All communication links are identified using an URI built up of the following:
InterfaceType://InterfaceId/InterfaceChannel/InterfaceSpeed | |
crazy_file_add_variable/incorrectbatteryvolt_3.txt | Get app Get the Reddit app [ Log In ](https://www.reddit.com/login/) Log in
to Reddit | |
crazy_file_add_variable/cfclientutilslogconf_21.txt |
def _connected(self, link_uri):
""" This callback is called form the Crazyflie API when a Crazyflie
has been connected and the TOCs have been downloaded."""
print("Connected to %s" % link_uri)
# The definition of the logconfig can be made before connect... | |
crazy_file_add_variable/Report2020Undergradu_45.txt | to reduce the values for each pixel and computational effort required during processing.
2. Using Equation 19, a binary threshold will be applied to the grayscale image with a threshold
value, where a pixel above this value will become white and a pixel below this value will become
black. The value will be tuned to rem... | |
crazy_file_add_variable/Report2020Undergradu_61.txt |
× 100% =
log(a/b)
log(ab)/2
× 100% (30)
Where z, altitude, m; Auv, virtual image area, px2
; %pa, actual percentage difference; a, first arbitrary
variable; b, second arbitrary variable; and %pm, magnitude percentage difference.
0.10
0.20
0.30
0.40
0.50
0.60
0.70
0.80
0.90
0 200 400 600 800 1000... | |
crazy_file_add_variable/pythonapi_86.txt | ## Logging | |
crazy_file_add_variable/Report2020Undergradu_78.txt | 52 #temporary = cv2.findContours (des, cv2.RETR_CCOMP, cv2.CHAIN_APPROX_SIMPLE) #
> With the line below, this line could be used for OpenCV Python 3.X or 4.X.
53 #contours = temporary [0] if len (temporary) == 2 else temporary [1]
54
55 # Locate the largest contour and find the corresponding properties. Note that
> the... | |
crazy_file_add_variable/cfclientutilslogconf_49.txt | * [ Book a demo ](https://snyk.io/schedule-a-demo/)
* [ Contact us ](https://snyk.io/contact-us/)
* [ Support ](https://support.snyk.io/hc/en-us)
* [ Report a new vuln ](https://snyk.io/vulnerability-disclosure/) | |
crazy_file_add_variable/Report2020Undergradu_6.txt | TM4 motor four torque N.m
Tφ,+ plus-mode roll torque N.m
Tφ,× cross-mode roll torque N.m
Tψ,+ plus-mode yaw torque N.m
Tψ,× cross-mode yaw torque N.m
Tθ,+ plus-mode pitch torque N.m
Tθ,× cross-mode pitch torque N.m
τ incremental time placeholder s
τ0 temperature gradient within the lower troposphere 0.0065K/m
θ pitch r... | |
crazy_file_add_variable/pythonapi_109.txt | If some special properties are required for the underlying Crazyflie object, a
Crazyflie instance can be passed in to the ` SyncCrazyflie ` instance. | |
crazy_file_add_variable/Report2020Undergradu_39.txt | roll and pitch after 0.5s and stop the motors after 1s if no setpoint is received. A minimum limit
at which setpoints can be generated and sent is recommended at 10Hz.
– send_setpoint: Send a setpoint in terms of roll, pitch, and yaw angles and thrust.
– send_velocity_world_setpoint: Send a setpoint in terms of the des... | |
crazy_file_add_variable/incorrectbatteryvolt_59.txt | * [ GameStop ](https://reddit.com/t/gamestop/)
* [ Moderna ](https://reddit.com/t/moderna/)
* [ Pfizer ](https://reddit.com/t/pfizer/)
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* [ AstraZeneca ](https://reddit.com/t/astrazeneca/)
* [ Walgreens ](https://reddit.com/t/walgreens/)
... | |
crazy_file_add_variable/pythonapi_22.txt | The library supports setting up logging configurations that are used for
logging variables from the firmware. Each log configuration contains a number
of variables that should be logged as well as a time period (in ms) of how
often the data should be sent back to the host. Once the log configuration is
added to the fir... | |
crazy_file_add_variable/incorrectbatteryvolt_72.txt | * [ Content Policy ](https://www.redditinc.com/policies/content-policy)
* [ Privacy Policy ](https://www.reddit.com/policies/privacy-policy)
* [ User Agreement ](https://www.redditinc.com/policies/user-agreement) | |
crazy_file_add_variable/Report2020Undergradu_90.txt | 244 crazyflie.commander.send_hover_setpoint (0, 0, (altitude / steps * i), 0)
245 time.sleep (setpoint_time)
246
247 # Ensure the Crazyflie has reached the desired altitude.
76
248 crazyflie.commander.send_hover_setpoint (0, 0, 0, altitude)
249 time.sleep (setpoint_time)
250
251 # Function to vertically land the Crazyf... | |
crazy_file_add_variable/pythonapi_105.txt | ### SyncCrazyflie | |
crazy_file_add_variable/incorrectbatteryvolt_58.txt | * Business | |
crazy_file_add_variable/pythonapi_122.txt | # Footer Menu | |
crazy_file_add_variable/cfclientutilslogconf_12.txt | [  bitcraze / crazyflie-
clients-python / lib / cfclient / ui / dialogs / logconfigdialogue.py View on
Github 
](https://github.com/bitcraze/crazyflie-clients-
python/blob/8b7e42f378aae6487281cd38ff7367954b31de7f/lib/cfc... | |
crazy_file_add_variable/Report2020Undergradu_75.txt | [18] T. Antonsson, M. Eliasson and A. Taffanel. Crazyflie 2.1 Control Board Schematic. Bitcraze,
Dec. 2018. URL: https://wiki.bitcraze.io/_media/projects:crazyflie2:hardwa
re:cf2.1_component_placement.pdf.
[19] K. Richardsson et al. Flow Deck V2. Bitcraze. Online. 2019. URL: https://store.bitcra
ze.io/collections/decks... | |
crazy_file_add_variable/pythonapi_2.txt | Search for: __ | |
crazy_file_add_variable/Report2020Undergradu_44.txt | √
Auv
(18)
Where z, altitude, m; f , focal length, px; x, actual latitude distance, m; u, virtual image latitude
distance, px; y, actual longitude distance, m; v, virtual image longitude distance, px; Axy, actual area,
m2
; Auv, virtual image area, px2
; and k, camera correlation coefficient, m.px.
Camera Altitude
800m... | |
crazy_file_add_variable/Report2020Undergradu_52.txt | the desired location.
Wait for 1ms to check
if the termination "Q"
key was pressed.
Send the setpoint
function for the
Crazyflie to land.
Start
End
Basic post-processing
of the overall test and
recorded video.
Convert the BGR
colour frame into a
grayscale frame.
Do a binary threshold
with a threshold of
200 and new of ... | |
crazy_file_add_variable/pythonapi_90.txt | The API to create and get information from LogConfig: | |
crazy_file_add_variable/cfclientutilslogconf_28.txt | [  bitcraze / crazyflie-
clients-python / lib / cfclient / ui / tabs / FlightTab.py View on Github
](https://github.com/bitcraze/crazyflie-clients-
python/blob/0b64640096567992bb6d0820dd1cb47cfe1dbc6a/lib/cfclient/ui/tab... | |
crazy_file_add_variable/incorrectbatteryvolt_47.txt | * [ Reddit reReddit: Top posts of 2023 | |
crazy_file_add_variable/incorrectbatteryvolt_31.txt | logconf.add_variable('pm.batteryLevel', 'FP16') | |
crazy_file_add_variable/pythonapi_92.txt | The API for the log in the Crazyflie: | |
crazy_file_add_variable/Report2020Undergradu_14.txt | M1
M2
M3
M4
M1
M2
M3
M4
M1
M2
M3
M4
M1
M2
M3
M4
M1
M2
M3
M4
M1
M2
M3
M4
M1
M2
M3
M4
M1
M2
M3
M4
Figure 5: Plus-mode (+) rotor arrangement to enable the translational and rotational displacements.
6
cancelled by letting the two diagonally-opposite rotors spin clockwise while the other two diagonallyopposite rotors spin ... | |
crazy_file_add_variable/pythonapi_14.txt | ## Structure of the library | |
crazy_file_add_variable/Report2020Undergradu_1.txt | List of Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iii
List of Figures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . vi
List of Tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . viii
List of ... | |
crazy_file_add_variable/incorrectbatteryvolt_64.txt | * Celebrity | |
crazy_file_add_variable/incorrectbatteryvolt_33.txt | however, i get the incorrect values | |
crazy_file_add_variable/incorrectbatteryvolt_35.txt | regarding the voltage level, when the drone is stationary, the voltage level
is around 3.8 and when the drone is flying, it is at 3.4. | |
crazy_file_add_variable/incorrectbatteryvolt_22.txt | with SyncCrazyflie(URI, cf=Crazyflie(rw_cache='./cache')) as scf: | |
crazy_file_add_variable/pythonapi_3.txt | * [ Blog ](/blog/ "Blog")
* Products
* [ Crazyflie 2.1 ](/products/crazyflie-2-1/ "Crazyflie 2.1")
* [ Crazyflie Bolt 1.1 ](/products/crazyflie-bolt-1-1/ "Crazyflie Bolt 1.1")
* [ Crazyradio PA ](/products/crazyradio-pa/ "Crazyradio PA")
* [ Crazyradio 2.0 ](/products/crazyradio-2-0/ "Crazyradio 2.... | |
crazy_file_add_variable/incorrectbatteryvolt_45.txt | * * * | |
crazy_file_add_variable/pythonapi_77.txt |
param_name = "group.name"
param_value = 3
crazyflie.param.set_value(param_name, param_value)
| |
crazy_file_add_variable/basiclogpy_11.txt | # The definition of the logconfig can be made before connecting
self._lg_stab = LogConfig(name='Stabilizer', period_in_ms=10)
self._lg_stab.add_variable('stabilizer.roll', 'float')
self._lg_stab.add_variable('stabilizer.pitch', 'float')
self._lg_stab.add_variable('stabilizer.yaw'... | |
crazy_file_add_variable/pythonapi_61.txt | ### Attitude Setpoints | |
crazy_file_add_variable/pythonapi_0.txt | [  ](/) | |
crazy_file_add_variable/pythonapi_96.txt | The datatype is the transferred datatype, it will be converted from internal
type to transferred type before transfers: | |
crazy_file_add_variable/pythonapi_75.txt | If this is not the case then the logging framework should be used instead. | |
crazy_file_add_variable/incorrectbatteryvolt_34.txt | when the drone is flying, i.e., the motors are running, the battery percentage
is always at 10. when the drone is stationary, the battery level is at 60-70.
it doesnt show any other value like 12, 38 etc. only multiples of 10. | |
crazy_file_add_variable/Report2020Undergradu_32.txt | =
T
0.0065K/m 1 −
p
101325Pa
0.19026
(15)
Where zsea, altitude relative to sea level, m; T, temperature, K (if this cannot be measured, T0 as the
temperature at the lower troposphere limit may be used, 288.15K); τ0, temperature gradient within
the lower troposphere, 0.0065K/m; p, pressure, Pa; p0, pressure at t... | |
crazy_file_add_variable/Report2020Undergradu_65.txt | Max.
First
Average
Second
Average Average
Altitude
Change
Jitter
Altitude
Change
Jitter
Min.
Overshoot
Deviation
Figure 45: Relevant results against time throughout the second trial of the circular motion test.
Overshoot
Average Average
Max.
Min.
Deviation
Figure 46: Relevant results against time throughout the first t... | |
crazy_file_add_variable/Report2020Undergradu_0.txt | Research Report
Quadrotor Visual Servoing
For Moving Target Tracking
MECN4006 - Research Project
Edward Rycroft
Student Number: 1478715
Supervisor: Ms. C. Kuchwa-Dube
A project report submitted to the Faculty of Engineering and the Built Environment, University of the
Witwatersrand, Johannesburg, in partial fulfilment ... | |
crazy_file_add_variable/Report2020Undergradu_42.txt | than 100ms between frames, so at least 10 setpoints can be generated per second. For a realistic
result, practical cases will be considered to represent realistic use where there is no image processing,
a minimal amount of image processing with only primary information for basic monitoring, and a
high level of image pr... | |
crazy_file_add_variable/Report2020Undergradu_11.txt | 2.1 VISUAL SERVOING
Due to the aim of the research, there will be a focus on visual servoing through end-point open-loop
control, rather than end-point closed-loop control. This may employ position-based visual servoing
or image-based visual servoing. For position-based visual servoing, information is extracted from an... | |
crazy_file_add_variable/pythonapi_113.txt |
# Connect to a Crazyflie
with SyncCrazyflie(uri) as scf:
# Create a log configuration
log_conf = LogConfig(name='myConf', period_in_ms=200)
log_conf.add_variable('stateEstimateZ.vx', 'int16_t')
# Start logging
with SyncLogger(scf... | |
crazy_file_add_variable/Report2020Undergradu_15.txt | Yaw Right
Medium Speed
Low Speed
Forward Direction
Left Direction
High Speed M1
M2
M3
M4
M1
M2
M3
M4
M1
M2
M3
M4
M1
M2
M3
M4
M1
M2
M3
M4
M1
M2
M3
M4
M1
M2
M3
M4
M1
M2
M3
M4
M1
M2
M3 | |
crazy_file_add_variable/Report2020Undergradu_80.txt | 129 print ("! The input to record the source is invalid. Quitting the program.")
130 raise SystemExit
131
132 # ----------------------------------------------------------------------------------
67
133 # Perform Checks
134 # ----------------------------------------------------------------------------------
135
136 # Id... | |
crazy_file_add_variable/basiclogpy_0.txt | # -*- coding: utf-8 -*-
#
# || ____ _ __
# +------+ / __ )(_) /_______________ _____ ___
# | 0xBC | / __ / / __/ ___/ ___/ __ `/_ / / _ \
# +------+ / /_/ / / /_/ /__/ / / /_/ / / /_/ __/
# || || /_____/_/\__/\___/_/ \__,_/ /___/\___/
#
# Copyright (C) 2014 Bitcraze AB
#
# Cr... | |
crazy_file_add_variable/incorrectbatteryvolt_44.txt | * [ Reddit reReddit: Top posts of August 2023 | |
crazy_file_add_variable/pythonapi_53.txt | The first thing to do is to find a Crazyflie quadcopter that we can connect
to. This is done by queuing the library that will scan all the available
interfaces (currently the debug and radio interface). | |
crazy_file_add_variable/pythonapi_36.txt | * stabilizer.roll
* stabilizer.pitch
* pm.vbat
* imu_tests.MPU6050
* pid_attitide.pitch_kd | |
crazy_file_add_variable/incorrectbatteryvolt_26.txt | logconf = LogConfig(name='Position', period_in_ms=10) | |
crazy_file_add_variable/incorrectbatteryvolt_14.txt | * * * | |
crazy_file_add_variable/pythonapi_114.txt | ### MotionCommander | |
crazy_file_add_variable/cfclientutilslogconf_31.txt | Bitcraze Cazyflie quadcopter client | |
crazy_file_add_variable/Report2020Undergradu_31.txt | extremely noisy and will be inaccurate [2, 11]. To accurately stabilise the position of the Crazyflie, it
is required for additional sensors to perform measurements relative to the external environment [16].
20
Motor Drivers
Process Microcontroller
Power Management
Protection Circuit Mod.
Micro-USB Charging
LiPo Batter... | |
crazy_file_add_variable/pythonapi_34.txt | The group should be used to bundle together logical groups, like everything
that deals with the stabilizer should be in the group ` stabilizer ` . | |
crazy_file_add_variable/cfclientutilslogconf_22.txt | [  bitcraze / crazyflie-
clients-python / lib / cfclient / ui / tabs / FlightTab.py View on Github
](https://github.com/bitcraze/crazyflie-clients-
python/blob/0b64640096567992bb6d0820dd1cb47cfe1dbc6a/lib/cfclient/ui/tab... | |
crazy_file_add_variable/Report2020Undergradu_94.txt | > contours) # Uncomment for yaw orientation tracking.
397 monitor_minimum (frame, record)
398
399 # Estimate the camera altitude and target centroid position.
400 if area < 100 or area > 1000:
401 print ("The detected area is inconsistent with expectations.")
402 land (crazyflie, position_z)
403 crazyflie.commander.sen... | |
crazy_file_add_variable/incorrectbatteryvolt_55.txt | * [ Valheim ](https://reddit.com/t/valheim/)
* [ Genshin Impact ](https://reddit.com/t/genshin_impact/)
* [ Minecraft ](https://reddit.com/t/minecraft/)
* [ Pokimane ](https://reddit.com/t/pokimane/)
* [ Halo Infinite ](https://reddit.com/t/halo_infinite/)
* [ Call of Duty: Warzone ](https://reddit.co... | |
crazy_file_add_variable/Report2020Undergradu_58.txt | 3. 640px By 480px
Record Time [s]
Total Frames [fr]
Average FPS [fr/s]
Average SPF [s/fr]
A
18.7 72 3.85 0.260
19.3 73 3.78 0.264
15.5 59 3.81 0.263
B
27.6 107 3.88 0.258
21.8 81 3.72 0.269
24.3 93 3.83 0.261
C
38.3 41 1.07 0.934
34.9 39 1.12 0.894
30.1 33 1.10 0.912
D
26.8 81 3.02 0.331
35.4 105 2.97 0.337
23.2 67 2.8... | |
crazy_file_add_variable/pythonapi_7.txt | # The Crazyflie Python API explanation | |
message_type/rubygenerated_31.txt | * ` Message.decode(str) ` : Decodes a binary protobuf for this message and returns it in a new instance.
* ` Message.encode(proto) ` : Serializes a message object of this class to a binary string.
* ` Message.decode_json(str) ` : Decodes a JSON text string for this message and returns it in a new instance.
*... | |
message_type/331_18.txt | Repositories | |
message_type/n67eEBCx5vI_86.txt | function_callback.h | |
message_type/n67eEBCx5vI_36.txt | I am really confused on how to implement the REPEATED INT32 XAXIS as If I use
the same function in function_callbacks.h it gives error that I cannot assign
an array to pb_callbacks_t type. | |
message_type/rubygenerated_37.txt | In this case, the ` Bar ` class is declared as a class inside of ` Foo ` , so
you can refer to it as ` Foo::Bar ` . | |
message_type/n67eEBCx5vI_96.txt | Forward | |
message_type/TibrvMsgaddFieldhtm_16.txt | More generally, all fields that begin with the underbar character are reserved. | |
message_type/rubygenerated_70.txt |
print Foo::SomeEnum::VALUE_A # => 0
message.bar = Foo::SomeEnum::VALUE_A
| |
message_type/n67eEBCx5vI_17.txt | ### geekco...@gmail.com | |
message_type/331_97.txt |
bool Pb_Encode_Logs(pb_ostream_t *stream, const pb_field_t *field, void * const *arg)
{
do
{
uint8_t data[max_msg_size];
size_of_log_message = Get_1_Log_Message(&data);
mqtt_log_pl_t current_log;
/*Setup the mqtt_log_pl_t callbacks*/
pb_encode_del... | |
message_type/n67eEBCx5vI_181.txt | Reply to author | |
message_type/n67eEBCx5vI_32.txt | Hi Everyone, | |
message_type/n67eEBCx5vI_107.txt | > repeated int32 xaxis = 2;
| |
message_type/n67eEBCx5vI_108.txt | but in code you only assign a single item: | |
message_type/331_33.txt | Query | |
message_type/331_30.txt | # Saved searches | |
message_type/331_167.txt | No branches or pull requests | |
message_type/n67eEBCx5vI_85.txt | [
](https://groups.google.com/group/nanopb/attach/3816eefd406f9/encode_callbacks.c?part=0.2) | |
message_type/331_128.txt | If I put the code above in a loop and keep encode message and checking the
buffer size will this build the buffer correctly? | |
message_type/n67eEBCx5vI_148.txt | You do not have permission to delete messages in this group | |
message_type/n67eEBCx5vI_12.txt | [ Privacy ](https://policies.google.com/privacy?hl=en_US) • [ Terms
](https://policies.google.com/terms?hl=en_US) | |
message_type/rubygenerated_38.txt | ## Fields | |
message_type/n67eEBCx5vI_54.txt | You do not have permission to delete messages in this group | |
message_type/TibrvMsgaddFieldhtm_5.txt | Parameter |
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