ON HOMOCLINIC CHAOS AND A CONTROL CHAOS STRATEGY APPLIED TO A FREE-JOINT NONHOLONOMIC MANIPULATOR

Author:

CASSIANO JEFFERSON1,BALTHAZAR JOSÉ MANOEL23

Affiliation:

1. Faculty of Engineering Mechanics, Department of Mechanical Design, C.P. 6122, 13083-970, State University of Campinas, Campinas, SP, Brazil

2. Department of Statistics, Applied Mathematics and Computation, UNESP – Rio Claro, C.P. 178, 13500-230 Rio Claro, SP, Brazil

3. Department of Design Mechanical, Faculty of Engineering Mechanics, UNICAMP, Campinas, Brazil

Abstract

In this work, the occurrence of chaos (homoclinic scene) is verified in a robotic system with two degrees of freedom by using Poincaré–Mel'nikov method. The studied problem was based on experimental results of a two-joint planar manipulator — first joint actuated and the second joint free — that resides in a horizontal plane. This is the simplest model of nonholonomic free-joint manipulators. The purpose of the present study is to verify analytically those results and to suggest a control strategy.

Publisher

World Scientific Pub Co Pte Lt

Subject

Applied Mathematics,Modeling and Simulation,Engineering (miscellaneous)

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