Chaoization of Permanent Magnet Synchronous Motors Using Stator Flux Regulation

In this paper, a new chaotic permanent magnet synchronous motor (PMSM) drive is proposed and implemented. The key is to apply the stator flux regulation (SFR) based direct torque control to intentionally chaoize the PMSM in such a way that chaotic motion can be resulted. A nonlinear speed controller, namely the sliding mode speed controller, is proposed to generate the torque reference for the torque controller. The proposed method not only offers the desired chaotic motion, but also provides the feature of controllable boundary. Both simulation and experimentation are given to confirm the validity.