A Robust Deadbeat Predictive Control Scheme for Dual Three-Phase PMSM

Zhang, Yi-Jia; Zhao, Tianyi; Jing, Hao; Li, Jie; Gui, Xingmin

doi:10.23919/icems.2018.8549054

Cited by 8 publications

(2 citation statements)

References 7 publications

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“…Model predictive control (MPC) has the advantages of being easy to achieve [12], multiobjective control [13], and suitable for nonlinear systems. Recently, with the wide application of MPC in motor control [14], many scholars have already discussed it in multiphase motors [15][16][17][18]. Zhang et al [15] combine four-vector SVPWM with MPC for harmonic current suppression to achieve better dynamic performance and robustness when motor parameters change.…”

Section: Introductionmentioning

confidence: 99%

“…Recently, with the wide application of MPC in motor control [14], many scholars have already discussed it in multiphase motors [15][16][17][18]. Zhang et al [15] combine four-vector SVPWM with MPC for harmonic current suppression to achieve better dynamic performance and robustness when motor parameters change. According to the distribution characteristics of the four amplitude vectors of DTP-PMSM, a virtual vector with a zero amplitude in the x, y subspace is synthesized in advance to perform MPC to suppress harmonic currents [16][17][18].…”

Section: Introductionmentioning

confidence: 99%

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Harmonic Current Suppression of Dual Three-Phase PMSM Based on Model Predictive Direct Torque Control

Lei

Lin

et al. 2021

Mathematical Problems in Engineering

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The traditional direct torque control (DTC) method will produce a larger harmonic current in the x, y subspace when applied to a dual three-phase permanent magnet synchronous machine (DTP-PMSM) because the voltage vector used for DTC is not equal to zero in the x, y harmonic subspace. To mitigate this problem, in this manuscript, a model predictive direct torque control (MPDTC) method is proposed to eliminate the harmonic current in DTP-PMSM. The spatial distribution characteristic DTP-PMSM voltage vector is analyzed; then, the table of vector group can be obtained according to DTC, and each vector group can be combined to obtain the zero-voltage vector in the x, y subspace. According to the cost function, MPDTC selects the vector group and obtains the optimal vector sequence combination to eliminate the harmonic current in the x, y subspace. Furthermore, the MPDTC achieves closed-loop control of harmonic currents in the x, y subspace. The MPDTC can also eliminate harmonic currents caused by other factors. The simulation results show that the method of MPDTC can effectively suppress the harmonic current of DTP-PMSM.

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