Torque ripple minimization in switched reluctance motor drives by PWM current control

Husain, Iqbal; Ehsani, M.

doi:10.1109/63.484420

Cited by 362 publications

(91 citation statements)

References 9 publications

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“…Torque sharing function was applied for reducing the torque ripple in SRM [2]. PWM based control strategies are executed in [3]. The electronic control methodology depends on control parameters like the supply voltage, turn ON, turn OFF point and reference current [4].…”

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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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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“…To satisfy these specifications, a high performance ripple-free dynamic torque controller for the SRM must be designed. Techniques for the reduction of torque ripple in SRM's have been a very active area of research for the past decade [9,10,11,12,13,14,15,16,17,18,19,20]. Some researchers have taken such measures as the compensation or optimization of turn-on angle and turn-off angle [9,11], and a dualamplitude current chopping control method [10] to improve the classic control strategies.…”

Section: Introductionmentioning

confidence: 99%

Robust control of switched reluctance motors for direct-drive robotic applications

Cao

Chen

Zhou

et al. 2003

The International Journal of Advanced Manufacturing Technology

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This paper discusses the robust control of switched reluctance motors (SRM's) for driving manipulators directly. A mathematical model of the SRM with unmodeled dynamics is proposed which describes the relationship among electromagnetic torque, rotor angular position, and phase currents. The parameters and boundaries of the unmodeled dynamics in this model are estimated by the least square approximation method. Based on this model, a robust controller is designed. Compared with the ordinary controller, the robust controller can produce an auxiliary control input to overcome the influence of model uncertainties on system performance. Overall stability of the system is proven using Lyapunov techniques. Following a theoretical analysis, some related experiments are introduced. The experimental results show that the controller provides a steady-state performance although the system contains unmodeled certainties.

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“…The output power of an SRM is higher than that of a comparable induction motor and the torque-inertia ratio is also higher due to the absence of rotor windings (Husain and Ehsani, 1994). Each stator pole has a simple winding, which is usually concentric.…”

Section: Introductionmentioning

confidence: 99%

“…The main disadvantage of SRM is higher torque ripple which contributes to acoustic noise and vibration. The torque pulsation in SRM is due to highly non-linear and discrete nature of torque production mechanism (Husain and Ehsani, 1994).In recent years to achieve efficient design of electrical machines, researchers have focused on computer-aided electromagnetic design approach and evolutionary programming approach. Sahin et al, 2000, has discussed an approach to determine optimum geometry of SRM with minimum torque ripple.…”

Section: Introductionmentioning

confidence: 99%

Particle Swarm Optimization Approach for Optimal Design of Switched Reluctance Machine

Balaji¹

2011

American Journal of Applied Sciences

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Problem statement: Switched Reluctance Motors (SRMs) are widely used in various applications due to their inherent simplicity and rugged construction In SRM, torque output and torque ripple are sensitive to stator and rotor pole arcs and their selection is a vital part of SRM design process. In this study Particle Swarm Optimization technique is proposed for determining optimum pole arc of SRM. Approach: The problem of determining optimum pole arc is formulated as a multiobjective optimization problem with the objective of maximizing average torque and minimizing torque ripple. A comprehensive program based on analytical model is developed in Matlab to compute the value of inductance and average torque. Results: The optimization procedure is tested on 8/6, four-phase, 5 HP, 1500 rpm SRM. The results are compared and investigated with those obtained from Genetic Algorithm (GA) technique and Finite Element Analysis(FEA) simulation. Conclusion: The results demonstrate that the proposed method is effective and outperforms GA in terms of solution quality, accuracy, constraint handling.

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Torque ripple minimization in switched reluctance motor drives by PWM current control

Cited by 362 publications

References 9 publications

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

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

Robust control of switched reluctance motors for direct-drive robotic applications

Particle Swarm Optimization Approach for Optimal Design of Switched Reluctance Machine

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