Fractional Order SMC for Speed Control of PMSM

Permanent magnet synchronous motors (PMSMs) are known as highly efficient motors and are slowly replacing induction motors in diverse industries. PMSM systems are nonlinear and consist of time-varying parameters with high-order complex dynamics. High performance applications of PMSMs require their speed controllers to provide a fast response, precise tracking, small overshoot and strong disturbance rejection ability. Sliding mode control (SMC) is well known as a robust control method for systems with parameter variations and external disturbances. This paper investigates the current status of implementation of sliding mode control speed control of PMSMs. Our aim is to highlight various designs of sliding surface and composite controller designs with SMC implementation, which purpose is to improve controller’s robustness and/or to reduce SMC chattering. SMC enhancement using fractional order sliding surface design is elaborated and verified by simulation results presented. Remarkable features as well as disadvantages of previous works are summarized. Ideas on possible future works are also discussed, which emphasize on current gaps in this area of research.

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“…The equivalent control law in Equation 29is obtained. Stability analysis of the proposed controller is detailed in [151]:…”

Section: Design Of Fosmc-pidmentioning

confidence: 99%

Robust Speed Control of PMSM Using Sliding Mode Control (SMC)—A Review

2019

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“…For positive , and , the system is stable during sliding condition. Stability analysis of the proposed system is detailed in (Zaihidee, Mekhilef, & Mubin, 2018). ( 22)…”

Section: Fosmc-pid For Speed Control Of Pmsmmentioning

confidence: 99%

Fractional order PID sliding mode control for speed regulation of permanent magnet synchronous motor

Zaihidee

Mekhilef

Mubin

2021

JER is an international, peer-reviewed journal that publishes f

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This paper proposed a fractional order PID sliding mode control (FOSMC-PID) for speed regulation of permanent magnet synchronous motor (PMSM). Fractional calculus has been incorporated in sliding mode controller (SMC) design to enhance chattering suppression ability. However, the design of fractional sliding surface is crucial to ensure that speed tracking accuracy is not jeopardized. The proposed controller is designed with a fractional order PID sliding surface, which balances the characteristics of sliding surface with PI or PD structure in terms of robustness and dynamic performance of the controller. By simulation, speed tracking is proven to be faster and more robust with the proposed controller compared to SMC with integer order. Both integration and derivative terms in the surface design outperform FOSMC-PI and FOSMC-PD in terms of disturbance rejection and chattering. Experimental validation proves the advantage of the proposed controller in terms of robustness.

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“…As presented in previous studies, both linear and nonlinear feedback control techniques have been applied to heat exchanger units [1][2][3][4][5][6][7][8][9][10][11]. Due to the fundamental nonlinear dynamics of heat exchangers, the sliding mode control (SMC) technique is commonly employed for temperature control in such systems and other applications [1][2][3][4]7,12]. SMC has shown itself to be successful in controlling dynamic systems with uncertainties and disturbances.…”

Section: Introductionmentioning

confidence: 99%

Terminal Synergetic Control for Plate Heat Exchanger

Arsit Boonyaprapasorn,

Sorn Simatrang,

Suwat Kuntanapreeda

et al. 2024

ARFMTS

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Terminal synergetic control (TSC) is proposed as a control strategy for the temperature management of a plate heat exchanger. The controller is designed by incorporating a selected macro variable with a time-varying sliding surface. The primary objective is to maintain precise control over the outlet temperature of the cold water. To assess the convergence characteristics of the newly proposed TSC approach, the simulation results achieved using TSC featuring a time-varying macro variable are compared to those obtained from the conventional synergetic control (SC) method. With an appropriate macro variable, the simulation results indicate a notable improvement in the convergence rate provided by our designed TSC method, compared to the conventional one. The desirable property of control input, the chattering-free condition, achieved by both TSC and SC approaches emphasizes the advantage of the synergetic control-based techniques over the conventional sliding mode controller. In conclusion, synergetic control-based techniques offer superior potential solutions for nonlinear feedback control problems.

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Fractional Order SMC for Speed Control of PMSM

Cited by 6 publications

References 27 publications

Robust Speed Control of PMSM Using Sliding Mode Control (SMC)—A Review

Robust Speed Control of PMSM Using Sliding Mode Control (SMC)—A Review

Fractional order PID sliding mode control for speed regulation of permanent magnet synchronous motor

Terminal Synergetic Control for Plate Heat Exchanger

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