Electric Transfer Function Model of Switched Reluctance Motors and the Model-Based Current Control Design

摘要

Switched reluctance motors (SRMs) are robust, inexpensive, and easy to be manufactured owing to the absence of windings and permanent magnets in the rotors, which are simply made of iron and well suited for high-speed applications. Other advantages include high peak torque-to-inertia ratios, fault-tolerant operation, and so forth. Despite the above advantages, however, the following disadvantages are well known. They are high ripple content in torque, audible noise generation, electromagnetic interference noise generation, and so on. From the viewpoint of current and speed control, the followings are substantial obstacles.