PM Synchronous Motor Speed Control Using Hybrid Fuzzy-PI With Novel Switching Functions

Sant, Amit V.; Rajagopal, K. R.

doi:10.1109/tmag.2009.2022191

Cited by 161 publications

(88 citation statements)

References 6 publications

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“…The proportional-integral-derivative control design methodology, which offers simple and easy implementation, is widely used in permanent magnet synchronous motor (PMSM) systems [1], [2]. However, in practical applications, PMSM systems are generally affected by different types of unknown time-varying disturbances and parametric uncertainties, such as parasitic dynamics, unknown plant parameters, and external disturbances.…”

Section: Introductionmentioning

confidence: 99%

Continuous Sliding Mode Control for Permanent Magnet Synchronous Motor Speed Regulation Systems Under Time-Varying Disturbances

Wang¹,

Li²,

Yang³

et al. 2016

Journal of Power Electronics

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This article explores the speed regulation problem of permanent magnet synchronous motor (PMSM) systems subjected to unknown time-varying disturbances. A continuous sliding mode control (CSMC) technique is introduced for the speed loop to enhance the robustness of PMSM systems and eliminate the chattering phenomenon caused by high-frequency switch function in the conventional control law. However, the high control gain of the CSMC law in the presence of strong disturbances leads to large steady-state speed fluctuations for PMSM systems. In many application fields, PMSM systems are affected by time-varying disturbances instead of constant disturbances. For example, electric bicycles are usually affected by changing environmental disturbances, including wind speeds, road conditions, etc. These disturbances may be in the form of constant, ramp, and parabolic disturbances. Hence, a generalized proportional integral (GPI) observer is employed to estimate these types of disturbances. Then, the disturbance estimation method and the aforementioned CSMC method are combined to establish a composite sliding mode control method called the CSMC+GPI method for the speed loop of PMSM systems. Contrary to the conventional sliding mode control technique, the proposed method completely eliminates the chattering phenomenon caused by the switching function in the conventional control law. Moreover, a small control gain for the CSMC+GPI method is chosen by feed-forwarding estimated values to the speed controller. Hence, the steady-state speed fluctuations are small. The effectiveness of the proposed control scheme is verified by simulation and experimental result.

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Section: Introductionmentioning

confidence: 99%

Continuous Sliding Mode Control for Permanent Magnet Synchronous Motor Speed Regulation Systems Under Time-Varying Disturbances

Wang¹,

Li²,

Yang³

et al. 2016

Journal of Power Electronics

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“…PMSM(Permanent Magnet Synchronous Motor)은 고 효율 특성과 높은 토크 및 우수한 제어성으로 인하여 산업용, 가정용 및 로봇 응용 분야에 널리 적용되고 있 다 [1][2][3][4][5][6][7][8] . 특히, 최근에는 로봇 및 전기 자동차의 구동 장 치로 그 활용도가 점점 확대되고 있다 [1][2][3][4][5][6][7][8][9][10] .…”

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“…특히, 최근에는 로봇 및 전기 자동차의 구동 장 치로 그 활용도가 점점 확대되고 있다 [1][2][3][4][5][6][7][8][9][10] . PMSM은 전 동기의 설계 특성상 영구자석이 고정자의 슬롯을 지나 는 부분에서 코깅(cogging) 현상에 의한 토크 리플이 존 재하게 되며, 이러한 코깅 토크는 속도 리플을 발생하게 된다.…”

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“…또한, 인가되는 기계적 부하에 의해서도 주기적인 속도리플을 발생하게 된다. 외란 부하에 따른 비규칙적 인 토크 리플을 억제하기 위한 토크 관측기나 토크 보 상기는 부하에 대한 응답성을 높이고, 빠르게 속도오차 를 수렴하게 하는 제어 방식으로 널리 적용되고 있다 [5][6][7][8][9][10][11][12] . 하지만, 코깅 토크에 의한 토크 리플은 전기적 주 파수가 빠르고, 관측기에 의해 추정토크를 연산하는 경 우 연산의 지연과 주기적인 리플로 인하여 그 오차를 보상하기가 매우 어렵다.…”

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“…PID 제어기에서 응용 분야의 특성상 높은 제어성을 구현하기 위한 토크 리플을 억제하기 위한 방법으로 퍼 지와 결합된 PI 제어기 등이 연구되었다 [5] [9][10] . 이러한 제어방식에도 불구하고, PMSM의 속도 제어 성능은 PID 제어기의 제어 이득에 의존적이다 [5] (1)…”

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Design of the Modified PID Speed Controller to Reduce the Speed Ripple

Kim¹,

Choo²,

Lee

2012

The Transactions of the Korean Institute of Power Electronics

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-PMSM(Permanent Magnet Synchronous Motor) has periodic torque ripple from the cogging torque and load conditions. This paper proposes the modified PID speed controller to reduce the speed ripple of the PMSM. The proposed modified PID controller uses a selective D(Differential) control term according to the speed error and the differential of the speed error. The proposed speed controller produces an additional torque reference such as torque compensator based on PI controller according to the speed error and the differential of the speed error, and it can reduce the vibration of the conventional D-control term with reduced speed ripple. Since the additional torque reference of the proposed speed controller is changed by the sign of the speed error and the differential of the speed error, a simple function to determine the sign of the error is used to produce the compensated torque. The proposed control scheme is verified by the computer simulation and the experiments.

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Adaptive enhanced sliding mode control for permanent magnet synchronous motor drives

Zou

Qian

Kong

2015

Adaptive Control & Signal

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An adaptive enhanced sliding mode control (AESMC) scheme for the position tracking control of permanent magnet synchronous motor drives is proposed in this paper. The AESMC system is composed of three controllers: the adaptive model compensation controller, which is used to compensate for the parameter perturbations to achieve perfect tracking; the hitting controller, which is considered to attenuate the effect of external load disturbance and the compensation error; and the robust feedback controller, which is used to enhance the stability of the closed-loop system and to improve the transient performance while the AESMC is in the learning process. Moreover, the bound of the lumped disturbance is assumed to be unknown, and an adaptive mechanism is investigated to estimate this bound. Simulation results show that the proposed AESMC scheme has a favorable tracking performance in spite of various model uncertainties.

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PM Synchronous Motor Speed Control Using Hybrid Fuzzy-PI With Novel Switching Functions

Cited by 161 publications

References 6 publications

Continuous Sliding Mode Control for Permanent Magnet Synchronous Motor Speed Regulation Systems Under Time-Varying Disturbances

Continuous Sliding Mode Control for Permanent Magnet Synchronous Motor Speed Regulation Systems Under Time-Varying Disturbances

Design of the Modified PID Speed Controller to Reduce the Speed Ripple

Adaptive enhanced sliding mode control for permanent magnet synchronous motor drives

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