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@ -5,8 +5,6 @@ from cereal import log |
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from common.filter_simple import FirstOrderFilter |
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from common.numpy_fast import clip, interp |
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from common.realtime import DT_CTRL |
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from selfdrive.car import apply_toyota_steer_torque_limits |
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from selfdrive.car.toyota.values import CarControllerParams |
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from selfdrive.controls.lib.drive_helpers import get_steer_max |
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from selfdrive.controls.lib.latcontrol import LatControl, MIN_STEER_SPEED |
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@ -37,8 +35,6 @@ class LatControlINDI(LatControl): |
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self.A_K = A - np.dot(K, C) |
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self.x = np.array([[0.], [0.], [0.]]) |
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self.enforce_rate_limit = CP.carName == "toyota" |
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self._RC = (CP.lateralTuning.indi.timeConstantBP, CP.lateralTuning.indi.timeConstantV) |
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self._G = (CP.lateralTuning.indi.actuatorEffectivenessBP, CP.lateralTuning.indi.actuatorEffectivenessV) |
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self._outer_loop_gain = (CP.lateralTuning.indi.outerLoopGainBP, CP.lateralTuning.indi.outerLoopGainV) |
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@ -67,7 +63,6 @@ class LatControlINDI(LatControl): |
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def reset(self): |
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super().reset() |
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self.steer_filter.x = 0. |
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self.output_steer = 0. |
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self.speed = 0. |
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def update(self, active, CS, CP, VM, params, last_actuators, desired_curvature, desired_curvature_rate): |
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@ -90,12 +85,12 @@ class LatControlINDI(LatControl): |
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if CS.vEgo < MIN_STEER_SPEED or not active: |
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indi_log.active = False |
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self.output_steer = 0.0 |
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self.steer_filter.x = 0.0 |
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output_steer = 0 |
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else: |
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# Expected actuator value |
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self.steer_filter.update_alpha(self.RC) |
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self.steer_filter.update(self.output_steer) |
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self.steer_filter.update(last_actuators.steer) |
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# Compute acceleration error |
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rate_sp = self.outer_loop_gain * (steers_des - self.x[0]) + rate_des |
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@ -107,21 +102,13 @@ class LatControlINDI(LatControl): |
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delta_u = g_inv * accel_error |
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# If steering pressed, only allow wind down |
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if CS.steeringPressed and (delta_u * self.output_steer > 0): |
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if CS.steeringPressed and (delta_u * last_actuators.steer > 0): |
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delta_u = 0 |
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# Enforce rate limit |
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if self.enforce_rate_limit: |
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steer_max = float(CarControllerParams.STEER_MAX) |
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new_output_steer_cmd = steer_max * (self.steer_filter.x + delta_u) |
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prev_output_steer_cmd = steer_max * self.output_steer |
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new_output_steer_cmd = apply_toyota_steer_torque_limits(new_output_steer_cmd, prev_output_steer_cmd, prev_output_steer_cmd, CarControllerParams) |
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self.output_steer = new_output_steer_cmd / steer_max |
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else: |
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self.output_steer = self.steer_filter.x + delta_u |
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output_steer = self.steer_filter.x + delta_u |
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steers_max = get_steer_max(CP, CS.vEgo) |
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self.output_steer = clip(self.output_steer, -steers_max, steers_max) |
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output_steer = clip(output_steer, -steers_max, steers_max) |
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indi_log.active = True |
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indi_log.rateSetPoint = float(rate_sp) |
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@ -129,7 +116,7 @@ class LatControlINDI(LatControl): |
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indi_log.accelError = float(accel_error) |
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indi_log.delayedOutput = float(self.steer_filter.x) |
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indi_log.delta = float(delta_u) |
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indi_log.output = float(self.output_steer) |
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indi_log.saturated = self._check_saturation(steers_max - abs(self.output_steer) < 1e-3, CS) |
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indi_log.output = float(output_steer) |
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indi_log.saturated = self._check_saturation(steers_max - abs(output_steer) < 1e-3, CS) |
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return float(self.output_steer), float(steers_des), indi_log |
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return float(output_steer), float(steers_des), indi_log |
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