Stability analysis of a rotor-AMB system with time varying stiffness
作者： H.S. Bauomy
DOI: 10.1016/J.JFRANKLIN.2012.02.012
关键词: Rotor (electric) 、 Multiple-scale analysis 、 Nonlinear system 、 Excitation 、 Stiffness 、 Control theory 、 Magnetic bearing 、 Materials science 、 Resonance 、 Nonlinear resonance 、 Mechanics
摘要: Abstract A rotor-active magnetic bearing (AMB) system subjected to a periodically time-varying stiffness with quadratic and cubic nonlinear under tuned, external excitation is studied. The method of multiple scales applied analyze the response two modes rotor-AMB near simultaneous combined sub-harmonic resonance. stability steady-state solution for that resonance determined studied applying Rung–Kutta fourth order method. It shown exhibits many typical behaviors, including multiple-valued solutions, jump phenomenon, hardening softening chaos in second mode system. effects different parameters on solutions are investigated discussed.
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