23 January 1997 Development and evaluation of distributed control algorithms for the mobile robot Nomad200
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The Nomad200 is an electrical mobile robot who is equipped with different kinds of sensors. It can be programmed and controlled in two ways: directly via the on board PC card or remotely via a UNIX workstation. In the late case, commands and data are transmitted by an ethernet radio link. The purpose of this work is to build a robust navigation algorithm that has to be included in a general robotics application. This algorithm uses the laser sensor and the infrared sensors to build a map of the environment. The map is constructed step by step during the motion of the robot and a complete path is computed at each update of them map. The Voronic retraction method, the A algorithm and custom techniques are used to obtain the free way. Two different speed controllers, one heuristic and one using the fuzzy logic theory, have also been developed. The program was first written on the remote Host Station. But, in order to give to the robot a better autonomy and to prevent the communication failures, a distributed control of the robot has been implemented. We propose in this work different solutions for the distribution of the control. Each solution has been tested in simulation and with the real robot.
© (1997) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Eric Colon, Eric Colon, Yvan Baudoin, Yvan Baudoin, "Development and evaluation of distributed control algorithms for the mobile robot Nomad200", Proc. SPIE 2903, Mobile Robots XI and Automated Vehicle Control Systems, (23 January 1997); doi: 10.1117/12.265351; https://doi.org/10.1117/12.265351


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