Optimization and Evaluation of Torque-Sharing Functions for Torque Ripple Minimization in Switched Reluctance Motor Drives

Xue, Xiao; Cheng, Ka Wai Eric; Ho, S. L.

doi:10.1109/tpel.2009.2019581

Cited by 323 publications

(150 citation statements)

References 13 publications

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“…For an instance, the maximum overlap interval in the four-phase SRM is 15 o and as it can be seen from (13) converter voltage should be increased when the speed ascended. Finding the optimum turn-on and turn-off angles for each conventional TSFs has been investigated in [12,13] using an offline procedure. However, the results are depending on motor technical specifications and would be changed in other SRM.…”

Section: Torque Sharing Functions (Tsf)mentioning

confidence: 99%

“…Torque pulsation mechanism and highly saturated nature of magnetic characterization can cause undesirable torque ripples and deteriorate drive performance especially in high precise industrial applications. In order to eliminate torque ripples many investigations have been undertaken recently and many torque control techniques introduced [3][4][5][6][7][8][9][10][11][12][13]. Even though design approaches were taking into consideration in [3,4] to produce constant torque and minimizing torque ripples, control techniques have been more considered to control the motor torque in conventional switched reluctance motors.…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Minimization of Torque-Ripple in Switched Reluctance Motors Over Wide Speed Range

Dowlatshahi¹,

Saghaian-Nejad²,

Ahn³

et al. 2014

Journal of Electrical Engineering and Technology

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-Torque pulsation mechanism and highly nonlinear magnetic characterization of switched reluctance motors(SRM) lead to unfavorable torque ripple and limit the variety of applications in industry. In this paper, a modification method proposed for torque ripple minimization of SRM based on conventional torque sharing functions(TSF) to improve maximum speed of torque ripple-free operation considering converter limitations. Due to increasing phase inductance in outgoing phase during the commutation region, reference current tracking can be deteriorated especially when the speed increased. Moreover, phase torque production in incoming phase may not be reached to the reference value near the turn-on angle in which the incremental inductance would be dramatically decreased. Torque error for outgoing phase can cause increasing the resultant motor torque while it would be negative for incoming phase and yields reducing the motor torque. In this paper, a modification method is proposed in which phase torque tracking error for each phase under the commutation added to the other phase so that the resultant torque remained in constant level. This yields to extend constant torque region and reduce peak phase current when the speed increased. Simulation and experimental results for four phase 4 KW, 8/6 SRM validate the effectiveness of the proposed scheme.

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Section: Torque Sharing Functions (Tsf)mentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Minimization of Torque-Ripple in Switched Reluctance Motors Over Wide Speed Range

Dowlatshahi¹,

Saghaian-Nejad²,

Ahn³

et al. 2014

Journal of Electrical Engineering and Technology

View full text Add to dashboard Cite

show abstract

“…Torque sharing function was applied for reducing the torque ripple in SRM [2]. PWM based control strategies are executed in [3].…”

Section: Introductionmentioning

confidence: 99%

A New Front End Capacitive Converter Fed Switched Reluctance Motor for Torque Ripple Minimization

Muthulakshmi¹,

Dhanasekaran²

2016

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This paper presents new converter for torque ripple minimization of three phases Switched Reluctance Motor (SRM). The proposed converter has basic passive circuit which includes two diodes and one capacitor to the front end of an asymmetric converter with a specific end goal to get a high magnetization and demagnetization voltage. In view of this boost capacitor, the charge and demagnetization voltage are higher. Accordingly, it can reduce the negative torque generation from the tail current and enhance the output power. The proposed converter circuit is equipped for minimizing the SRM torque ripple furthermore enhancing the average torque when contrasted with traditional converter circuit. A three-phase SRM is modeled and the simulation output for no load and stacked condition depicts that the proposed converter has better performance when contrasted with traditional converter. It is appropriate for electric vehicle applications. The proposed framework is simulated by utilizing MATLAB/Simulink environment and their outcomes are examined extravagantly.

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“…Therefore, many studies on reducing torque ripples have been carried out extensively [4][5][6][7]. One of the effective approaches to reducing the torque ripple is a torque sharing function (TSF) method [8][9][10][11]. Because each phase of the SRM is controlled independently, expected torque is divided into individual phase torque references.…”

Section: Introductionmentioning

confidence: 99%

Torque Ripple Minimization Scheme Using Torque Sharing Function Based Fuzzy Logic Control for a Switched Reluctance Motor

Ro¹,

Lee²,

Lee³

et al. 2015

Journal of Electrical Engineering and Technology

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-This paper presents an advanced torque ripple minimization method of a switched reluctance motor (SRM) using torque sharing function (TSF). Generally, TSF is applied into the torque control. However, the conventional TSF cannot follow the expected torque well because of the nonlinear characteristics of the SRM. Moreover, the tail current that is generated at a high speed motor drive makes unexpected torque ripples. The proposed method combined TSF with fuzzy logic control (FLC). The advantage of this method is that the torque can be controlled unity at any conditions. In addition, the controller can track the torque under the condition of the wrong TSF. The effectiveness of the proposed algorithm is verified by the simulations and experiments.

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Optimization and Evaluation of Torque-Sharing Functions for Torque Ripple Minimization in Switched Reluctance Motor Drives

Cited by 323 publications

References 13 publications

Minimization of Torque-Ripple in Switched Reluctance Motors Over Wide Speed Range

Minimization of Torque-Ripple in Switched Reluctance Motors Over Wide Speed Range

A New Front End Capacitive Converter Fed Switched Reluctance Motor for Torque Ripple Minimization

Torque Ripple Minimization Scheme Using Torque Sharing Function Based Fuzzy Logic Control for a Switched Reluctance Motor

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