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A Novel Dead-time Compensation in Vector Controlled PMSM System

机译：矢量控制PMSM系统的新型死区时间补偿

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This paper aims at compensating the dead-time effects in the vector controlled permanent magnet synchronous motor (PMSM) system. An improved strategy based on invalid apparatus principle and dead-time compensation voltage (DTCV) is proposed, in which different dead-time compensation schemes are utilized depending on the threshold of current hysteresis. The invalid apparatus principle would be used while the phase current is above the threshold of current hysteresis, meanwhile, the DTCV would be employed while the phase current is below the threshold of current hysteresis to eliminate the voltage error caused by the current fluctuations and zero clamping phenomena. Simulation and experimental results show that the current waveform and the stability of the servo system have been improved by utilizing this novel strategy, and the expectation control performance has been achieved.
机译：本文旨在补偿矢量控制永磁同步电动机（PMSM）系统中的死区效应。提出了一种基于无效装置原理和死区时间补偿电压（DTCV）的改进策略，其中根据当前滞后的阈值来利用不同的死区时间补偿方案。同时使用无效的装置原理，同时相位电流高于电流滞后的阈值，同时，在相电流低于电流滞后的阈值以消除由电流波动和零夹紧引起的电压误差的同时，将采用DTCV现象。模拟和实验结果表明，通过利用这种新策略，已经提高了电流波形和伺服系统的稳定性，并实现了期望控制性能。

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