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. 3. Time history responses for different #cod#x03C4; 1 : a #cod#x03C4; 1 #cod#x0003D;2.5, b #cod#x03C4; 1 #cod#x0003D; 6, c #cod#x03C4; 1 #cod#x0003D; 3.5, d #cod#x03C4; 1 #cod#x0003D; 8.