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Weighted virtual tangential vector algorithm for local path planning of mobile robots

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3 Author(s)
Kyung Woon Kwak ; Dept. of Mech. Eng., Korea Adv. Inst. of Sci. & Technol. (KAIST), Daejeon, South Korea ; Kyung-Soo Kim ; Soohyun Kim

A real-time path generation method for a mobile robot is newly proposed based on the virtual tangential vector (VTV). The VTV is for imposing a feature to drive a robot along with the tangential direction to a circular obstacle virtually generated in real-time. Subjected to multiple obstacles, a weighted resultant vector of all the VTVs, so-called weighted VTV (WVTV), is defined. Together with the conventional objectives such as the goal attractive vector and the obstacle repulsive vector, the WVTV is included in a multi-objective optimisation framework. Significant performance enhancements are demonstrated by simulations for complicated unknown environments.

Published in:

Electronics Letters  (Volume:49 ,  Issue: 4 )

Date of Publication:

Feb. 14 2013

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