Average torque control of switched reluctance machine drives for electric vehicles

Cheng, He; Chen, Hao; Zhou, Yang

doi:10.1049/iet-epa.2014.0424

Cited by 75 publications

(54 citation statements)

References 23 publications

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“…In order to overcome the drawbacks of SRM such as low torque/power density and high torque ripple, a novel modular (M)-SRM with hybrid magnetic paths for simple structure, low cost and improved dynamic performance has been presented for EV applications [159]. An average torque control of SRM for light EVs is proposed to control and estimate the average torque of the motor shaft in [160]. The Seeker optimization algorithm has been presented in [161] to minimize the torque ripple of SRM.…”

Section: Switched Reluctance Motorsmentioning

confidence: 99%

A comprehensive review on hybrid electric vehicles: architectures and components

2019

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The rapid consumption of fossil fuel and increased environmental damage caused by it have given a strong impetus to the growth and development of fuelefficient vehicles. Hybrid electric vehicles (HEVs) have evolved from their inchoate state and are proving to be a promising solution to the serious existential problem posed to the planet earth. Not only do HEVs provide better fuel economy and lower emissions satisfying environmental legislations, but also they dampen the effect of rising fuel prices on consumers. HEVs combine the drive powers of an internal combustion engine and an electrical machine. The main components of HEVs are energy storage system, motor, bidirectional converter and maximum power point trackers (MPPT, in case of solar-powered HEVs). The performance of HEVs greatly depends on these components and its architecture. This paper presents an extensive review on essential components used in HEVs such as their architectures with advantages and disadvantages, choice of bidirectional converter to obtain high efficiency, combining ultracapacitor with battery to extend the battery life, traction motors' role and their suitability for a particular application. Inclusion of photovoltaic cell in HEVs is a fairly new concept and has been discussed in detail. Various MPPT techniques used for solar-driven HEVs are also discussed in this paper with their suitability. Keywords Hybrid electric vehicle Á Hybrid energy storage system Á Architecture Á Traction motors Á Bidirectional converter Abbreviations and symbols ABS Antilock braking system AC Alternating current ADTR Antidirectional-twin-rotary ADVISOR Advanced vehicle simulator ANN Artificial neural network ASCI Auto-sequential commutated mode singlephase inverter BEV Battery electric vehicle BLDC Brushless DC motor CD Charge depletion CDFIM Cascaded DFIM CF-qZSI Current-fed quasi-ZSI CMPPT Centralized MPPT CS Charge sustaining CSI Current source inverter CS-PMSM Compound-structure PMSM CVT Continuous variable transmission DC Direct current DFIM Doubly fed induction motor DMPPT Distributed MPPT DRM Double-rotor machines DTC Direct torque control e-CVT Electronic continuous variable transmission EM Electric motor EMS Energy management system EREV Extended range electric vehicle ESS Energy storage system EV Electric vehicle FC Fuel cell

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Section: Switched Reluctance Motorsmentioning

confidence: 99%

A comprehensive review on hybrid electric vehicles: architectures and components

2019

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“…They have a simple and rugged construction, low-cost of manufacturing, high-reliability, wide range of operating speeds, fault-tolerance, and high-efficiency [1]- [5]. Over the last decades, various researchers have been directed to improve the drive performance of SRMs for several applications like electric vehicles [6], aerospace [7], ships [8], wind power generation [9] and household appliances [10]- [11]. However, the double salient structure and high magnetic saturation are the reasons for the highly nonlinearity of SRM magnetization characteristics.…”

Section: Introductionmentioning

confidence: 99%

Optimum Control Parameters of Switched Reluctance Motor for Torque Production Improvement over the Entire Speed Range

2019

APH

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The switched reluctance motor (SRM) is a powerful candidate for many domestic and industrial applications. However, the double salient structure and discrete commutation process make it very difficult to acquire the analytical model of SRM. The performance optimization of SRM is achieved mainly based on the observation and analysis of its static magnetization characteristics. This paper presents multi-objective optimization of SRM's control parameters for optimum motor operation over wide range of speeds. The optimization aims to achieve the maximum torque production with the lowest copper loss. A searching algorithm is developed to find the base values as they vary for each operating point. The objective-function is calculated using a dynamic/actual simulation model of SRM. For a highly trusted model of SRM, the static magnetization characteristics of tested 8/6 SRM are measured experimentally. Then, the measured data are used to build the model in a MATLAB/Simulink environment. The proposed control is implemented using an artificial neural network (ANN). A series of simulations and experimental results are obtained to show the feasibility of the proposed control.

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“…The switched reluctance motor (SRM) is the simplest of all electric machines. It promises a reliable and low-cost variable-speed drive for several industrial applications [1][2][3]. However, the doubly salient structure causes highly nonlinear magnetic characteristics, which complicate the control of SRM drives [4,5].…”

Section: Introductionmentioning

confidence: 99%

“…(1). Then the effective values of L(i, θ) and k b (i, θ) are calculated as the average values over the period [ θ on , θ m ] based on Eqs (6).…”

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confidence: 99%

A new technique for optimum excitation of switched reluctance motor drives over a wide speed range

Hamouda¹,

Számel²

2018

Turk J Elec Eng & Comp Sci

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Optimum performance of switched reluctance motors (SRMs) over a wide range of speed control is an essential approach for many industrial applications. However, the doubly salient structure and deep magnetic saturation make magnetization characteristics of SRMs a highly nonlinear function of rotor position and current magnitude. This, in turn, makes the control of SRM drives a challenging task. As the control of SRMs depends on the inductance profile, it requires an adaptive control technique for optimum operation over a wide range of operating speeds. This paper presents an adaptive control technique for optimum excitation of SRM drives. The proposed control technique accurately considers the effect of back-emf voltage for high-and even low-speed operation. It determines the most efficient switch-on angle as a function of motor speed and current magnitude. Moreover, the optimum switch-off angle is defined to enhance motor output torque/power without negative torque production. The proposed technique simplifies the SRM control in order to cut down the complexity and cost; it offers easy implementation and can be used for sensor and sensorless operation of SRM drives. It also provides an eligible candidate for industrial applications as the optimization strategy uses an analytical solution. For adequate modeling, the nonlinear magnetization characteristics of the SRM are obtained using finite element analysis. The SRM, converter, and control algorithm are modeled using the MATLAB/Simulink environment. The simulation results are compared with a closed-loop switch-on angle controller in order to show the feasibility of the proposed control technique. In addition, experimental results are obtained to prove the promising performance and simplicity of the proposed controller.

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Average torque control of switched reluctance machine drives for electric vehicles

Cited by 75 publications

References 23 publications

A comprehensive review on hybrid electric vehicles: architectures and components

A comprehensive review on hybrid electric vehicles: architectures and components

Optimum Control Parameters of Switched Reluctance Motor for Torque Production Improvement over the Entire Speed Range

A new technique for optimum excitation of switched reluctance motor drives over a wide speed range

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