Predictive Current Trajectory Control for PMSM at Voltage Limit

This paper presents a fast predictive current trajectory strategy for permanent magnet synchronous motors (PMSMs) at voltage limit. The current hexagon obtained from the voltage hexagon of the inverter represents the region that the currents can reach in the next switching periond. The nearest avali...

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Main Authors: Genji Pei, Liyi Li, Xiaonan Gao, Jiaxi Liu, Ralph Kennel
Format: Article
Language:English
Published: IEEE 2020-01-01
Series:IEEE Access
Subjects:
Online Access:https://ieeexplore.ieee.org/document/8944034/
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author Genji Pei
Liyi Li
Xiaonan Gao
Jiaxi Liu
Ralph Kennel
author_facet Genji Pei
Liyi Li
Xiaonan Gao
Jiaxi Liu
Ralph Kennel
author_sort Genji Pei
collection DOAJ
description This paper presents a fast predictive current trajectory strategy for permanent magnet synchronous motors (PMSMs) at voltage limit. The current hexagon obtained from the voltage hexagon of the inverter represents the region that the currents can reach in the next switching periond. The nearest avaliable current point to the reference is solved by geometrical method on the current plane. The output of the proposed algorithm is divided into four cases according to the position of the current points. The algorithm combines FCS-MPC and DPCC, has the merits of both method and also the fast dynamic at voltage limits. In order to increase the robustness against the parameter variations, moving horizon estimator is utilized. The rotor flux is eliminated in the algorithm and the voltage errors caused by resistance and inductance mismatches are compensated by the estimator. Several experiments are performed with DPCC, FCS-MPC and the predictive current trajectory control method. These comparisons validate the effectiveness of the proposed method.
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spelling doaj.art-521e1414ee4544feb86df0d803cdc6762022-12-21T21:26:41ZengIEEEIEEE Access2169-35362020-01-0181670167910.1109/ACCESS.2019.29627428944034Predictive Current Trajectory Control for PMSM at Voltage LimitGenji Pei0https://orcid.org/0000-0001-7310-1804Liyi Li1https://orcid.org/0000-0002-0062-1742Xiaonan Gao2https://orcid.org/0000-0002-0442-1932Jiaxi Liu3https://orcid.org/0000-0002-7639-1285Ralph Kennel4https://orcid.org/0000-0003-4997-0043Harbin Institute of Technology, Harbin, ChinaHarbin Institute of Technology, Harbin, ChinaInstitute for Electrical Drive Systems and Power Electronics, Technical University of Munich, Munich, GermanyHarbin Institute of Technology, Harbin, ChinaInstitute for Electrical Drive Systems and Power Electronics, Technical University of Munich, Munich, GermanyThis paper presents a fast predictive current trajectory strategy for permanent magnet synchronous motors (PMSMs) at voltage limit. The current hexagon obtained from the voltage hexagon of the inverter represents the region that the currents can reach in the next switching periond. The nearest avaliable current point to the reference is solved by geometrical method on the current plane. The output of the proposed algorithm is divided into four cases according to the position of the current points. The algorithm combines FCS-MPC and DPCC, has the merits of both method and also the fast dynamic at voltage limits. In order to increase the robustness against the parameter variations, moving horizon estimator is utilized. The rotor flux is eliminated in the algorithm and the voltage errors caused by resistance and inductance mismatches are compensated by the estimator. Several experiments are performed with DPCC, FCS-MPC and the predictive current trajectory control method. These comparisons validate the effectiveness of the proposed method.https://ieeexplore.ieee.org/document/8944034/Disturbance observergeometrical solutionPMSMpredictive controlvoltage limit
spellingShingle Genji Pei
Liyi Li
Xiaonan Gao
Jiaxi Liu
Ralph Kennel
Predictive Current Trajectory Control for PMSM at Voltage Limit
IEEE Access
Disturbance observer
geometrical solution
PMSM
predictive control
voltage limit
title Predictive Current Trajectory Control for PMSM at Voltage Limit
title_full Predictive Current Trajectory Control for PMSM at Voltage Limit
title_fullStr Predictive Current Trajectory Control for PMSM at Voltage Limit
title_full_unstemmed Predictive Current Trajectory Control for PMSM at Voltage Limit
title_short Predictive Current Trajectory Control for PMSM at Voltage Limit
title_sort predictive current trajectory control for pmsm at voltage limit
topic Disturbance observer
geometrical solution
PMSM
predictive control
voltage limit
url https://ieeexplore.ieee.org/document/8944034/
work_keys_str_mv AT genjipei predictivecurrenttrajectorycontrolforpmsmatvoltagelimit
AT liyili predictivecurrenttrajectorycontrolforpmsmatvoltagelimit
AT xiaonangao predictivecurrenttrajectorycontrolforpmsmatvoltagelimit
AT jiaxiliu predictivecurrenttrajectorycontrolforpmsmatvoltagelimit
AT ralphkennel predictivecurrenttrajectorycontrolforpmsmatvoltagelimit