Stability and Hopf bifurcation of a nonlinear electromechanical coupling system with time delay feedback<xref ref-type="fn" rid="cpb141480fn1">*</xref>

Stability and Hopf bifurcation of a nonlinear electromechanical coupling system with time delay feedback*

Liu Shuang^a),^b), Zhao Shuang-Shuang^a), Wang Zhao-Long^a), Li Hai-Bin^a),^b)†

Fig. 1. Dynamic model of the electromechanical coupling system driven by an AC motor.