Robust formation control of electrically driven nonholonomic mobile robots via sliding mode technique |
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Authors: | Bong Seok Park Jin Bae Park Yoon Ho Choi |
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Affiliation: | 1.Department of Electrical and Electronic Engineering,Yonsei University,Seoul,Korea;2.Department of Electronic Engineering,Kyonggi University,Suwon-si, Kyonggi-do,Korea |
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Abstract: | This paper proposes a sliding mode formation control method for electrically driven nonholonomic mobile robots in the presence
of model uncertainties and disturbances. We use the kinematic model based on the leader-following approach for the formation
control of multiple robots. Unlike many researches considering only the kinematic model, we also consider the dynamic model
including actuator dynamics to obtain the voltage input because it is more realistic to use the voltage as input than the
velocity. Then, the sliding mode control method is used to deal with model uncertainties and disturbances acting on the mobile
robots. The stability of the proposed control system is proven using Lyapunov stability theory. Finally, we perform computer
simulations to demonstrate the performance of the proposed control system. |
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