Direct torque control of speed sensorless five-phase IPMSM based on adaptive input-output feedback linearization

Tabrizchi, A.M.,Soltani, J.,Shishehgar, J.,Abjadi, N.R.

Power Electronics, Drive Systems and Technologies Conference（2014）

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摘要

Nowadays, the five-phase permanent magnet motors have attracted the attention of many researchers. In this paper, discusses a direct torque control (DTC) of five-phase permanent magnet motor based on adaptive input-output feedback linearization. The reference values of the controller are obtained on the basis of the maximum torque per ampere (MTPA) strategy. Direct and quadrature axis inductances (Ld, Lq) of the machine are online estimated by the use of Lyapunov stability theorem. A two-level SVPWM inverter is desired to feed the motor. The switching pattern of this inverter is designed to eliminate the zero sequence current. The capability of the proposed method is verified by computer simulation results.

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关键词

lyapunov methods,pwm invertors,adaptive control,feedback,inductance,input-output stability,linearisation techniques,permanent magnet motors,sensorless machine control,synchronous motors,torque control,lyapunov stability theorem,mtpa strategy,adaptive input-output feedback linearization,direct axis inductance,direct torque control,interior permanent magnet synchronous motors,maximum torque per ampere,quadrature axis inductance,speed sensorless five phase ipmsm,switching pattern,two level svpwm inverter,adaptive input-output feedback linearization (aiofl),five-phase interior permanent magnet,maximum torque per amper,sensorless

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