Comfort by Construction: Adaptive, Comfort-Bounded Action Spaces for Learned Driving Policies
Data-driven driving simulators command accelerations and steering rates from a fixed grid without constraining the realized accelerations and jerks. As a result, reinforcement-learning policies inflate safety metrics through abrupt, last-second maneuvers that lie far outside the range of human driving and would be unacceptable to occupants of a real vehicle, so the metrics measure simulator permissiveness rather than policy quality. Enforcing comfort bounds naively is not enough: lateral limits shrink quadratically with speed, so clamping a static grid saturates it and destroys fine-grained control ("grid collapse"). We propose an adaptive action parameterization that rediscretizes the gr...
| Authors | Anna Rothenhäusler, Daniel Jost, Raghu Rajan et al. |
|---|---|
| Primary category | cs.RO |
| Published | 11 September 2026 |
| Last updated at source | 11 September 2026 |
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