Periodic motions in a simplified brake system with a periodic excitation |
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Authors: | Albert CJ Luo Sagun Thapa |
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Institution: | 1. Polytechnic of Bari, 70126 Bari, Italy;2. Imperial College London, Exhibition Road, London SW7 2AZ, UK;3. Hamburg University of Technology, Hamburg,21073, Germany |
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Abstract: | In this paper, periodic motions for a simplified brake system under a periodical excitation are investigated, and the motion switchability on the discontinuous boundary is discussed through the theory of discontinuous dynamical systems. The onset and vanishing of periodic motions are discussed through the bifurcation and grazing analyses. Based on the discontinuous boundary, the switching planes and the basic mappings are introduced, and the mapping structures for periodic motions are developed. From the mapping structures, the periodic motions are analytically predicted and the corresponding local stability and bifurcation analysis is completed. Periodic motions will be illustrated for verification of analytical predictions. In addition, the relative force distributions along the displacement are illustrated for illustrations of the analytical conditions of motion switchability on the discontinuous boundary. |
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