| { |
| "engine": "Project Chrono / PyChrono steering linkage", |
| "engine_version": "9.0.1", |
| "experiment": "Ackermann scrub work from STEP tie-rod pickup geometry", |
| "wheelbase_m": 2.5, |
| "front_track_m": 1.5, |
| "rack_x_m": -0.25, |
| "rack_half_width_m": 0.45, |
| "rack_travel_m": -0.02, |
| "rack_travel_duration_s": 1.0, |
| "time_step_s": 0.001, |
| "evaluation_rack_displacements_m": [-0.015, -0.02], |
| "tire_normal_load_N": 2000.0, |
| "tire_friction_limit": 0.8, |
| "lateral_slip_stiffness": 15.0, |
| "maneuver_distance_m": 10.0, |
| "required_relative_scrub_work_reduction": 0.8, |
| "maximum_turning_radius_m_at_15mm": 24.0, |
| "maximum_turning_radius_m_at_20mm": 18.0, |
| "minimum_tie_pickup_y_mm": -100.0, |
| "maximum_tie_pickup_y_mm": -20.0, |
| "maximum_hub_center_error_mm": 0.00001, |
| "maximum_tie_pickup_x_error_mm": 0.00001, |
| "maximum_relative_volume_change": 0.000001, |
| "maximum_envelope_excess_mm3": 0.0001 |
| } |
|
|
