Chance-Constrained Optimization in Contact-Rich Systems for Robust Manipulation
This work addresses robust manipulation in contact-rich systems, representing an incremental advance in trajectory optimization methods.
The paper tackles robust trajectory optimization for manipulation by developing a chance-constrained formulation for Stochastic Discrete-time Linear Complementarity Systems, resulting in optimized trajectories that outperform recent approaches in simulation.
This paper presents a chance-constrained formulation for robust trajectory optimization during manipulation. In particular, we present a chance-constrained optimization for Stochastic Discrete-time Linear Complementarity Systems (SDLCS). To solve the optimization problem, we formulate Mixed-Integer Quadratic Programming with Chance Constraints (MIQPCC). In our formulation, we explicitly consider joint chance constraints for complementarity as well as states to capture the stochastic evolution of dynamics. We evaluate robustness of our optimized trajectories in simulation on several systems. The proposed approach outperforms some recent approaches for robust trajectory optimization for SDLCS.