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Control parameter design for robot vehicle based on numerical simulation and heuristic optimization - Feed-back controller design for trajectory tracking under strict physical constraints in wide speed range -

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3 Author(s)
Atsushi Watanabe ; University of Tsukuba, Graduate School of Systems and Information Engineering, Ibaraki, Tennoudai 1-1-1, Japan ; Akihisa Ohya ; Shin'Ichi Yuta

For the construction of the mobile robot system, it is necessary to determine a lot of parameters like the feedback gain and the clip parameters of artificial saturation. And it is difficult to decide suitable parameters by analytical technique because of its non-linearity and complexity. In this paper, we propose the method of the mobile robot control system parameter design by a numerical simulation and heuristic optimization using the enough computer power. We describe the model of the system as iterative numerical calculation instead of analytical time function. This model can suit the real control system, and it is straightforward to be built. And we show the experimental results of the automatically decided feedback gains by using proposed method for the linear feedback trajectory tracking controller of the small-sized autonomous mobile robot system, which runs in relatively high speed up to 5 meters per second as an example.

Published in:

Computational Intelligence in Control and Automation (CICA)

Date of Conference:

11-15 April 2011