Stability and Hopf bifurcation in an inverted pendulum with delayed feedback control |
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Authors: | Rui Yang Yahong Peng Yongli Song |
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Affiliation: | 1. Department of Mathematics, Tongji University, Shanghai, 200092, China 2. Department of Applied Mathematics, Donghua University, Shanghai, 200051, China
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Abstract: | In this paper, we investigate the dynamics of the inverted pendulum with delayed feedback control. The existence and stability of multiple equilibria depending on the control strengths are studied. Taking the time delay of the control terms as a parameter, periodic oscillations induced by delay are found. By using the method of multiple scales, the effect of the control gains and the relative mass of the pendulum on the stability and direction of Hopf bifurcations are discussed. Numerical simulations are employed to illustrate the obtained theoretical results. |
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