Abstract
Model Predictive Control (MPC) applied to Permanent Magnet Synchronous Motors (PMSM) based drives is being researched recently. Practical drive systems have non-linarites like saturation, not-exact decoupling of d and q axes fluxes, etc. Further there are disturbances also. MPC guarantees the robust stability and performance. The strategy is used for decoupled current control of PMSM. Additionally optimized control voltage vector is calculated to yield best energy efficiency. This paper proposes MPC for current loop of the drive. In order to have simplicity in the entire system, the outer speed loop is controlled by Higher Order Sliding Mode Control (HOSMC). Super Twisting Algorithm (STA) is used for reduction in the chattering. Simulations show that the proposed control skills has superior performance compare to conventional PI control algorithm.
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