A Robust Backstepping Sensorless Control for Interior Permanent Magnet Synchronous Motor Using a Super‐Twisting Based Torque Observer

Wu, S. M.; Zhang, Jianwu; Chai, Benben

doi:10.1002/asjc.1798

Cited by 19 publications

(23 citation statements)

References 46 publications

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“…Based on a discontinuous algorithm, and even in the presence of bounded uncertainties, sliding mode observers (SMO) can ensure a theoretically exact estimation of unmeasured states to the true system's states. [7][8][9][10] However, despite the benefits of the SMC, its main problem is the chattering effect, which is undesirable for system stability in general and for actuators in mechanical parts of systems in particular. Another problem with the sliding mode approach is that the finite-time stabilization of sliding motion can be attained only for systems with relative degree one with respect to the sliding manifold σ(x,t) which depends mainly on the system states.…”

Section: Background and Motivationsmentioning

confidence: 99%

“…[16] Theorem 1. Suppose that the inequality (13) holds for the system (9), the SOSMO designed in (11) is strongly stable and guarantees a finite-time convergence of estimated states b x i to the true states x i , if the observer gains satisfy:…”

Section: States Observation and Uncertainties Identificationmentioning

confidence: 99%

“…In order to achieve finite-time stabilization of the thirdorder sliding mode set (3-SM) based on second-order sliding mode control law, an adaptive gains high-order sliding mode controller AHOSMC is proposed for uncertain systems described by (9). The controller is a result of combining STA and TSM, which is announced as a continuous nonsingular terminal sliding mode algorithm (CNTSM) in, [30] and a continuous terminal sliding mode (CTSM) controller in.…”

Section: Preliminaries and Problem Statementmentioning

confidence: 99%

“…The problem is to design a robust and smooth control law for finite-time tracking of the uncertain system described in (9). Based on SOSMC, let us define the sliding variable σ as follows:…”

Section: Problem Statementmentioning

confidence: 99%

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Adaptive high‐order sliding mode controller‐observer for MIMO uncertain nonlinear systems

Hendel

Khaber

Essounbouli

2019

Asian Journal of Control

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In this paper, an adaptive high-order sliding mode controller-observer is proposed for multi input-multi output uncertain systems with application to robotic manipulators. Firstly, a type-2 Takagi-Sugeno fuzzy system is used to model the original system. Next, with the unavailability of velocity measurement, a fuzzy high-order sliding mode observer is designed to estimate both the joint velocities and uncertainties. Moreover, based on a super twisting second-order sliding mode, the proposed robust controller generates smooth control and guarantees finite-time convergence to the third-order sliding set with respect to the sliding variable by keeping second-order sliding mode constraint. The controller gains are generated based on an adaptive estimation scheme without overestimation. The finite-time stability of the suggested controller is proved by using an homogeneous and strict Lyapunov function. Finally, the obtained simulation results for two-link robot manipulators demonstrate the effectiveness of the proposed controller.

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Section: Background and Motivationsmentioning

confidence: 99%

Section: States Observation and Uncertainties Identificationmentioning

confidence: 99%

Section: Preliminaries and Problem Statementmentioning

confidence: 99%

Section: Problem Statementmentioning

confidence: 99%

See 2 more Smart Citations

Adaptive high‐order sliding mode controller‐observer for MIMO uncertain nonlinear systems

Hendel

Khaber

Essounbouli

2019

Asian Journal of Control

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“…The associate editor coordinating the review of this manuscript and approving it for publication was Jun Shen . control strategies have been proposed to improve the control performance of PMSM, such as backstepping control [6], [7], finite time control [8], model predictive control [9], fuzzy logic control [10], sliding mode control (SMC) [11]- [13] and robust control [14]. Among them, SMC has been widely used for decades, because of its robustness and simplicity.…”

Section: Introductionmentioning

confidence: 99%

An Adaptive Super Twisting Nonlinear Fractional Order PID Sliding Mode Control of Permanent Magnet Synchronous Motor Speed Regulation System Based on Extended State Observer

et al. 2020

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In this article, a novel adaptive super-twisting nonlinear Fractional-order PID sliding mode control (ASTNLFOPIDSMC) strategy using extended state observer (ESO) for the speed operation of permanent magnet synchronous motor (PMSM) is proposed. Firstly, this paper proposes a novel nonlinear Fractional-order PID (NLFOPID) sliding surface with nonlinear proportion term, nonlinear integral term and nonlinear differential term. Secondly, the novel NLFOPID switching manifold and an adaptive supertwisting reaching law (ASTRL) are applied to obtain excellent control performance in the sliding mode phase and the reaching phase, respectively. The novel ASTNLFOPIDSMC strategy is constructed by the ASTRL and the NLFOPID sliding surface. Due to the utilization of NLFOPID switching manifold, the characteristics of fast convergence, good robustness and small steady state error can be ensured in the sliding mode phase. Due to the utilization of ASTRL, the chattering phenomenon can be weakened, and the characteristics of high accuracy and strong robustness can be obtained in the reaching phase. Further, an ESO is designed to achieve dynamic feedback compensation for external disturbance. Furthermore, Lyapunov stability theorem and Fractional calculus are used to prove the stability of the system. Finally, comparison results under different controllers demonstrate that the proposed control strategy not only achieves good stability and dynamic properties, but also is robust to external disturbance. INDEX TERMS Adaptive super-twisting nonlinear Fractional-order PID sliding mode control (ASTNL-FOPIDSMC) strategy, extended state observer (ESO), permanent magnet synchronous motor (PMSM), nonlinear Fractional-order PID (NLFOPID) sliding surface, adaptive super-twisting reaching law (ASTRL).

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Adaptive steering‐based HDTC algorithm for PMSM

Adam

Elnady

2019

Asian Journal of Control

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This paper introduces sensorless hysteresis direct torque control for permanent magnet synchronous motors to provide a reduced torque pulsation profile, which leads to a smaller mechanical vibration. The suggested algorithm utilizes the principle of vehicle steering, which continuously fixes the direction of the vehicle in the track. Moreover, the algorithm efficiently employs the output of torque and the output of flux error controllers used in basic hysteresis direct torque control to select two nonzero adjacent vectors. The initial switching time for the selected vectors is determined by a function that considers the absolute magnitude of the torque error and the magnitude of the flux error in addition to the space angle position of the stator flux. To reduce the processing time in the control signal flow, a suggested structure for switching the initial time of the selected vectors is developed. The final switching time of the vectors is adaptively adjusted according to the minimum required stator voltage to drive the load and according to the stored rotor energy that arises due to the inertia of the mechanical load connected to the motor shaft. The simulation results along with the experimental results show a fast dynamic response of torque, relatively reduced torque ripples, and reduced current harmonics compared to the basic hysteresis direct torque control.

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A Robust Backstepping Sensorless Control for Interior Permanent Magnet Synchronous Motor Using a Super‐Twisting Based Torque Observer

Cited by 19 publications

References 46 publications

Adaptive high‐order sliding mode controller‐observer for MIMO uncertain nonlinear systems

Adaptive high‐order sliding mode controller‐observer for MIMO uncertain nonlinear systems

An Adaptive Super Twisting Nonlinear Fractional Order PID Sliding Mode Control of Permanent Magnet Synchronous Motor Speed Regulation System Based on Extended State Observer

Adaptive steering‐based HDTC algorithm for PMSM

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