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UI is now accurate
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sshane committed Oct 15, 2024
1 parent 9674c7b commit 4e595fc
Showing 1 changed file with 3 additions and 2 deletions.
5 changes: 3 additions & 2 deletions selfdrive/controls/lib/longitudinal_planner.py
Original file line number Diff line number Diff line change
Expand Up @@ -146,9 +146,10 @@ def update(self, sm):
# Compute model v_ego error
self.v_model_error = get_speed_error(sm['modelV2'], v_ego)
x, v, a, j, throttle_prob = self.parse_model(sm['modelV2'], self.v_model_error)
self.allow_throttle = throttle_prob > ALLOW_THROTTLE_THRESHOLD
# Don't clip at low speeds since throttle_prob doesn't account for creep
self.allow_throttle = throttle_prob > ALLOW_THROTTLE_THRESHOLD or v_ego <= 5.0

if not self.allow_throttle and v_ego > 5.0: # Don't clip at low speeds since throttle_prob doesn't account for creep
if not self.allow_throttle:
# MPC breaks when accel limits would cause negative velocity within the MPC horizon, so we clip the max accel limit at vEgo/T_MAX plus a bit of margin
clipped_accel_coast = max(accel_coast, accel_limits_turns[0], -v_ego / T_IDXS_MPC[-1] + ACCEL_LIMIT_MARGIN)
accel_limits_turns[1] = min(accel_limits_turns[1], clipped_accel_coast)
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