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http://dx.doi.org/10.5391/JKIIS.2011.21.5.602

Development of Autonomous Algorithm Using an Online Feedback-Error Learning Based Neural Network for Nonholonomic Mobile Robots  

Lee, Hyun-Dong (특허청 기계금속건설심사국 복합기술심사1팀)
Myung, Byung-Soo (경북대학교 정밀기계공학과)
Publication Information
Journal of the Korean Institute of Intelligent Systems / v.21, no.5, 2011 , pp. 602-608 More about this Journal
Abstract
In this study, a method of designing a neurointerface using neural network (NN) is proposed for controlling nonholonomic mobile robots. According to the concept of virtual master-slave robots, in particular, a partially stable inverse dynamic model of the master robot is acquired online through the NN by applying a feedback-error learning method, in which the feedback controller is assumed to be based on a PD compensator for such a nonholonomic robot. The NN for the online feedback-error learning can composed that the input layer consists of six units for the inputs $x_i$, i=1~6, the hidden layer consists of two hidden units for hidden outputs $o_j$, j=1~2, and the output layer consists of two units for the outputs ${\tau}_k$, k=1~2. A tracking control problem is demonstrated by some simulations for a nonholonomic mobile robot with two-independent driving wheels. The initial q value was set to [0, 5, ${\pi}$].
Keywords
Neurointerface; Neural networks; Nonholonomic mobile robots; Online feedback-error learning;
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