Title :
Automatic parameter identification for distributedly placed modular robots
Author :
Matsumoto, Kohsei ; Chen, Huiying ; Shimada, Kenichi ; Ota, Jun ; Arai, Tamio
Author_Institution :
Dept. of Precision Eng., Univ. of Tokyo, Japan
Abstract :
Describes a concept of a distributively placed modular robot system and a methodology of parameter identification of the system. The robot system consists of modules which have monofunction (e.g. sensor or actuator) and radio communication. Depending on tasks, the system is constructed by attaching modules to an object or in a working area distributively. Then the modules achieve a task by their cooperation. In our algorithm, the parameters are identified by executing motions with actuators, and observing the changes of the state with sensors. The motion which we call testing motion influences accuracy of identification because of sensing errors. Accounting for this, especially for the case of a mobile robot and a ceiling camera module, the design of modules´ testing motion is made by evaluating the influence of the camera´s sensing error and dead-reckoning´s locating error. The effectiveness of the algorithm is shown in the simulation and a basic experiment.
Keywords :
distributed control; mobile robots; multi-robot systems; parameter estimation; robot vision; accuracy; automatic parameter identification; ceiling camera module; dead-reckoning; distributed modular robots; locating error; mobile robot; radio communication; sensing error; sensing errors; testing motion; Actuators; Cameras; Joining processes; Parameter estimation; Radio communication; Robot sensing systems; Robot vision systems; Robotics and automation; Sensor systems; Testing;
Conference_Titel :
Robotics and Automation, 2002. Proceedings. ICRA '02. IEEE International Conference on
Print_ISBN :
0-7803-7272-7
DOI :
10.1109/ROBOT.2002.1014383