Abstract
This paper presented a hierarchical fuzzy path following control scheme based on different fuzzy grain size in a class of unknown environment with static obstacles. By employing fine-grained fuzzy division and design of fuzzy rule table for the rotation angle and speed of a robot, a more accurate path following control was achieved, while more effective fuzzy obstacle avoidance was realized with coarse-grained fuzzy division strategy. The proposed controller was a two-leveled architecture in which the higher level was the decision-making of the sub-task switching of path following or obstacle avoidance, while the lower level was motion control of path following and fuzzy obstacle avoidance. Finally, the simulation experiments were carried out to demonstrate the feasibility and effectiveness of the proposed scheme.
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Acknowldgments
This work is partially supported by the National Natural Science Foundation of China under Grants 61175111 and 61273352.
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Kong, Y., Chen, C., Yang, Y., Cao, Z. (2015). Path Following and Obstacle Avoidance Control Based on Different Fuzzy Grains. In: Deng, Z., Li, H. (eds) Proceedings of the 2015 Chinese Intelligent Automation Conference. Lecture Notes in Electrical Engineering, vol 337. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-662-46463-2_7
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DOI: https://doi.org/10.1007/978-3-662-46463-2_7
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