Acceleration/Deceleration Profiles

This commit is contained in:
James
2025-12-03 10:54:45 -07:00
parent ab8c4dea61
commit cc612ebd03
5 changed files with 77 additions and 4 deletions
@@ -15,6 +15,8 @@ from openpilot.selfdrive.controls.lib.drive_helpers import CONTROL_N, get_accel_
from openpilot.selfdrive.car.cruise import V_CRUISE_MAX, V_CRUISE_UNSET
from openpilot.common.swaglog import cloudlog
from openpilot.frogpilot.common.frogpilot_variables import MINIMUM_LATERAL_ACCELERATION
LON_MPC_STEP = 0.2 # first step is 0.2s
A_CRUISE_MAX_VALS = [1.6, 1.2, 0.8, 0.6]
A_CRUISE_MAX_BP = [0., 10.0, 25., 40.]
@@ -43,7 +45,11 @@ def limit_accel_in_turns(v_ego, angle_steers, a_target, CP):
# The lookup table for turns should also be updated if we do this
a_total_max = np.interp(v_ego, _A_TOTAL_MAX_BP, _A_TOTAL_MAX_V)
a_y = v_ego ** 2 * angle_steers * CV.DEG_TO_RAD / (CP.steerRatio * CP.wheelbase)
a_x_allowed = math.sqrt(max(a_total_max ** 2 - a_y ** 2, 0.))
if abs(a_y) > MINIMUM_LATERAL_ACCELERATION:
a_x_allowed = math.sqrt(max(a_total_max ** 2 - a_y ** 2, 0.))
else:
a_x_allowed = a_target[1]
return [a_target[0], min(a_target[1], a_x_allowed)]
@@ -116,7 +122,7 @@ class LongitudinalPlanner:
prev_accel_constraint = not (reset_state or sm['carState'].standstill)
if mode == 'acc':
accel_clip = [ACCEL_MIN, get_max_accel(v_ego)]
accel_clip = [sm['frogpilotPlan'].minAcceleration, sm['frogpilotPlan'].maxAcceleration]
steer_angle_without_offset = sm['carState'].steeringAngleDeg - sm['liveParameters'].angleOffsetDeg
accel_clip = limit_accel_in_turns(v_ego, steer_angle_without_offset, accel_clip, self.CP)
else: