Poster
in
Workshop: Deployable Decision Making in Embodied Systems (DDM)

GRILC: Gradient-based Reprogrammable Iterative Learning Control for Autonomous Systems

Kuan-Yu Tseng · Jeff Shamma · Geir Dullerud


Abstract:

We propose a novel gradient-based reprogrammable iterative learning control (GRILC) framework for autonomous systems. Performance of trajectory following in autonomous systems is often limited by mismatch between a complex actual model and a simplifed nominal model used in controller design. To overcome this issue, we develop the GRILC framework with offline optimization using the information of the nominal model and the actual trajectory, and online system implementation. In addition, a partial and reprogrammable learning strategy is introduced. The proposed method is applied to the autonomous time-trialing example and the learned control policies can be stored into a library for future motion planning. The simulation and experimental results illustrate the effectiveness and robustness of the proposed approach.

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