Second-order SMC with disturbance compensation for robust tracking control in PMSM applications

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Second-order SMC with disturbance compensation for robust tracking control in PMSM applications. / Aschemann, Harald; Haus, Benedikt; Mercorelli, Paolo.

in: IFAC-PapersOnLine, Jahrgang 53, Nr. 2, 2020, S. 6225-6231.

Publikation: Beiträge in ZeitschriftenKonferenzaufsätze in FachzeitschriftenForschungbegutachtet

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@article{1da8dfcd4dbb4ab8bab70f26577bb04e,
title = "Second-order SMC with disturbance compensation for robust tracking control in PMSM applications",
abstract = "In this contribution, a cascaded control strategy is presented for a permanent magnet synchronous motor (PMSM) that compensates for model nonlinearities and enables an accurate as well as robust trajectory tracking. The proposed strategy comprises the combination of an inversion-based current control, one of two alternative second-order sliding mode control approaches (SMC) and an extended Kalman filter (EKF). The reference values for the inversion-based current controllers are calculated by a Maximum Torque Per Ampere (MTPA) strategy in an outer control loop. As second-order SMC approaches are investigated: one design based on an integrator extension of the control input, whereas the other is given by a hybrid twisting control. Both alternatives mitigate undesired chattering while the EKF yields smooth estimates for both the state variables and a lumped disturbance torque from noisy measurements. Moreover, the robustness of the overall control structure is increased, chattering effects are reduced and unknown disturbances as well as parameter uncertainty are addressed by combining second-order sliding mode control with estimator-based disturbance compensation. The potential of the proposed nonlinear control strategy is pointed out by successful simulation studies. ",
keywords = "Control Applications, Extended Kalman Filter, PMSM, Sliding Mode Control, Torque Control, Engineering",
author = "Harald Aschemann and Benedikt Haus and Paolo Mercorelli",
year = "2020",
doi = "10.1016/j.ifacol.2020.12.1721",
language = "English",
volume = "53",
pages = "6225--6231",
journal = "IFAC-PapersOnLine",
issn = "2405-8971",
publisher = "Elsevier B.V.",
number = "2",
note = "21st IFAC World Congress - 2020 ; Conference date: 12-07-2020 Through 17-07-2020",

}

RIS

TY - JOUR

T1 - Second-order SMC with disturbance compensation for robust tracking control in PMSM applications

AU - Aschemann, Harald

AU - Haus, Benedikt

AU - Mercorelli, Paolo

PY - 2020

Y1 - 2020

N2 - In this contribution, a cascaded control strategy is presented for a permanent magnet synchronous motor (PMSM) that compensates for model nonlinearities and enables an accurate as well as robust trajectory tracking. The proposed strategy comprises the combination of an inversion-based current control, one of two alternative second-order sliding mode control approaches (SMC) and an extended Kalman filter (EKF). The reference values for the inversion-based current controllers are calculated by a Maximum Torque Per Ampere (MTPA) strategy in an outer control loop. As second-order SMC approaches are investigated: one design based on an integrator extension of the control input, whereas the other is given by a hybrid twisting control. Both alternatives mitigate undesired chattering while the EKF yields smooth estimates for both the state variables and a lumped disturbance torque from noisy measurements. Moreover, the robustness of the overall control structure is increased, chattering effects are reduced and unknown disturbances as well as parameter uncertainty are addressed by combining second-order sliding mode control with estimator-based disturbance compensation. The potential of the proposed nonlinear control strategy is pointed out by successful simulation studies.

AB - In this contribution, a cascaded control strategy is presented for a permanent magnet synchronous motor (PMSM) that compensates for model nonlinearities and enables an accurate as well as robust trajectory tracking. The proposed strategy comprises the combination of an inversion-based current control, one of two alternative second-order sliding mode control approaches (SMC) and an extended Kalman filter (EKF). The reference values for the inversion-based current controllers are calculated by a Maximum Torque Per Ampere (MTPA) strategy in an outer control loop. As second-order SMC approaches are investigated: one design based on an integrator extension of the control input, whereas the other is given by a hybrid twisting control. Both alternatives mitigate undesired chattering while the EKF yields smooth estimates for both the state variables and a lumped disturbance torque from noisy measurements. Moreover, the robustness of the overall control structure is increased, chattering effects are reduced and unknown disturbances as well as parameter uncertainty are addressed by combining second-order sliding mode control with estimator-based disturbance compensation. The potential of the proposed nonlinear control strategy is pointed out by successful simulation studies.

KW - Control Applications

KW - Extended Kalman Filter

KW - PMSM

KW - Sliding Mode Control

KW - Torque Control

KW - Engineering

UR - http://www.scopus.com/inward/record.url?scp=85108023408&partnerID=8YFLogxK

U2 - 10.1016/j.ifacol.2020.12.1721

DO - 10.1016/j.ifacol.2020.12.1721

M3 - Conference article in journal

AN - SCOPUS:85108023408

VL - 53

SP - 6225

EP - 6231

JO - IFAC-PapersOnLine

JF - IFAC-PapersOnLine

SN - 2405-8971

IS - 2

T2 - 21st IFAC World Congress - 2020

Y2 - 12 July 2020 through 17 July 2020

ER -

DOI