Learning Input-Constrained Funnel Controllers from State Trajectory Data
arXiv:2607.23876
2026
Dynamics
1 ideas extracted · analyzed Aug 30, 2026
What the math gives to ML
The paper offers a transferable mechanism for learning a prescribed-performance funnel and a feedback controller from state trajectories without observing expert actions, while explicitly accounting for hard actuator limits. Its key asset is the combination of data-derived transient envelopes, state-dependent feedback gains, and feasibility-driven active-set synthesis, backed by conservative actuator-authority and local trajectory-density certificates. A neural implementation should use demonstrations to construct a time-varying error envelope, train a bounded state-feedback network inside that envelope, and reject or reduce gains that cannot satisfy actuator authority. The resulting method makes falsifiable predictions: trajectories should remain inside the learned funnel, and the maximum feasible feedback gain should scale inversely with the funnel radius and actuator limits.
Ideas from this paper
✓✓ Beats tuned baseline
2026
Construct a prescribed-performance funnel directly from state-only demonstrations, then train a state-feedback neural network whose output is bounded and whose gain is optimized to keep the tracking error inside that funnel. The controller should not imitate actions; it should reproduce the demonstrated transient and steady-state error geometry while explicitly reducing feedback authority whenever actuator saturation would make the funnel infeasible.
Useful8/10
Difficulty6/10
Novelty7/10