engleski

Tensor Product Transformation based Speed Control of Permanent Magnet Synchronous Motor Drives

Permanent magnet synchronous motor (PMSM), employing vector control, is used in high performance servo drive applications. It is highly non-linear plant which can be described by linear parameter varying (LPV) state-space model. In order to solve nonlinearity problem and syntesize speed controler, tensor product (TP) model transformation is proposed. Using this transformation, given linear parameter varying state-space model is transformed into polytopic model form, namely, to parameter varying convex combination of linear time invariant (LTI)systems. The main advantage of the TP model transformation is that it is executable in a relatively short time and the linear matrix inequality (LMI)-based control design frameworks can immediately be applied to the resulting polytopic models. Proposed control approach of nonlinear systems is applied to the speed control of permanent magnet synchronous motor drive (PMSM). Simulation results show benefits of the non-linear control applied to PMSM.

Tensor product model transformation; fuzzy logic; control; vector control; permanent magnet motor

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