Abstract
Aiming at the chaos problem of permanent magnet linear synchronous motor in direct-drive wave power generation system, based on the ideal chaotic model with increased rotor edge effect, the permanent magnet linear synchronous motor system chaotic system was analyzed and a new sliding mode compound chaos control strategy was proposed. This strategy compensates for the shortcomings of the sliding mode control lag and chattering by using the complementary advantages of compound control, and can correct system parameters in real time. By using Lyapunov stability criterion, it was proved that the global convergence of the system is consistent. The simulation results show that the composite chaos control strategy can rapidly disengage the chaotic state of the motor system, suppress system chattering, weaken the control overshoot phenomenon, and has strong robustness and high control precision.
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