期刊
JOURNAL OF GUIDANCE CONTROL AND DYNAMICS
卷 40, 期 2, 页码 344-357出版社
AMER INST AERONAUTICS ASTRONAUTICS
DOI: 10.2514/1.G001921
关键词
-
资金
- National Science Foundation [NRI-1426945]
In this paper, a model predictive path integral control algorithm based on a generalized importance sampling scheme is developed and parallel optimization via sampling is performed using a graphics processing unit. The proposed generalized importance sampling scheme allows for changes in the drift and diffusion terms of stochastic diffusion processes and plays a significant role in the performance of the model predictive control algorithm. The proposed algorithm is compared in simulation with a model predictive control version of differential dynamic programming on nonlinear systems. Finally, the proposed algorithm is applied on multiple vehicles for the task of navigating through a cluttered environment. The current simulations illustrate the efficiency and robustness of the proposed approach and demonstrate the advantages of computational frameworks that incorporate concepts from statistical physics, control theory, and parallelization against more traditional approaches of optimal control theory.
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