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Collaborative nonlinear model-predictive collision avoidance and path following of mobile robots

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3 Author(s)
Wangmanaopituk, S. ; Sch. of Inf., Comput. & Commun. Technol., Thammasat Univ., Pathum Thani, Thailand ; Voos, H. ; Kongprawechnon, W.

This study is based on new requirements of an advance microproduction system in nearly future where all necessary production and assembly processes are connected in a very flexible way using autonomous mobile transport and handling robots. One main problem herein is the coordinated navigation of the multi-robot system during their transportation tasks. The robots have to follow previously planned paths while avoiding collisions with other robots and also human workers moving around. Moreover, problem-specific constraints for a defined microproduction system like limitations of the velocity and accelerations of the robots have to be fulfilled. This study focuses on a collaborative, model-predictive control approach to solve the collision avoidance and path following problem of the mobile robots in parallel. In addition, the model-predictive approach also offers the possibility to guarantee the fulfillment of the velocity and acceleration constraints of the robots.

Published in:

ICCAS-SICE, 2009

Date of Conference:

18-21 Aug. 2009

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