Variable reluctance synchronous machines in saturated mode

Stator-Flux-Oriented Based Encoderless Direct Torque Control for Synchronous Reluctance Machines Using Sliding Mode Approach

In this paper a sliding-mode torque and flux control is designed for encoderless synchronous reluctance motor drive. The sliding-mode plus PI controllers are designed in the stator-flux field oriented reference frame which is able to track the mentioned reference signals with a minimum pulsations in the state condition. In addition, with these controllers a fast dynamic response is also achieve...

Comparison of Synchronous Reluctance Machines with High-Anisotropy Rotors

In terms of torque capability, power factor and efficiency, synchronous reluctance machines with high-anisotropy rotors represent an alternative to conventional induction machines. In particular, they have very robust rotors and can therefore operate at constant power in a wider field-weakening range. The paper discusses a comparison of the various machine concepts using an identical machine ge...

Nonlinear PI current control of reluctance synchronous machines

This paper discusses nonlinear proportional-integral (PI) current control with anti-windup of reluctance synchronous machines (RSMs) for which the flux linkage maps are known. The nonlinear controller design is based on the tuning rule “Magnitude Optimum criterion” [1]. Due to the nonlinear flux linkage, the current dynamics of RSMs are highly nonlinear and, so, the parameters of the PI control...

On the Transient Behavior of Saturated Synchronous Machines

In the design stage of synchronous machine is often necessary the predetermination of dynamic characteristics using modeling and simulation. The simulation results and their correlation with reality depend essentially on the way the synchronous machine characterized by high electric and magnetic stress is modeled. Significant data are presented in the following for comparative analyses of diffe...

Nanoactuators: Novel synchronous reluctance nanomachines