Design and optimisation of an In‐wheel switched reluctance motor for electric vehicles

Zhu, Yueying; Yang, Chao; Yuan, Ye; Wei, Weiyan; Zhao, Chengwen

doi:10.1049/iet-its.2018.5097

Cited by 48 publications

(23 citation statements)

References 21 publications

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“…Outer-rotor IWSRM has great potential to be applied in EVs because of its simple structure. Therefore, a 16/20 outerrotor IWSRM, which was designed and optimized in our previous study [9], is selected in this paper. Fig.…”

Section: Iwsrm Model and Characteristics A Iwsrm Modelmentioning

confidence: 99%

“…Thereby, the transfer functions of sprung mass displacement and vertical acceleration relative to unbalanced radial force are defined as H b (S) and H A (S), which can be expressed as Equation (9), as shown at the bottom of this page. The vehicle parameters are listed in Table 2 and the response characteristics of vehicle caused by unbalanced radial force are illustrated as shown in Fig.…”

Section: Effects Of Unbalanced Radial Force On Vehicle Dynamicsmentioning

confidence: 99%

“…The associate editor coordinating the review of this manuscript and approving it for publication was Xiaodong Liang . In the past decade, vibration suppression of IWSRM itself has been studied by various methods, including structure optimization [9]- [11], power converter design [12], [13], and control strategies [7], [8], [14], [15]. However, differing from the centralized SRM drive system, IWSRM is coupled with vehicle suspension.…”

Section: Introductionmentioning

confidence: 99%

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Vibration Control for Electric Vehicles With In-Wheel Switched Reluctance Motor Drive System

Zhu

Zhao

Zhang³

et al. 2020

IEEE Access

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The in-wheel switched reluctance motor (IWSRM) has significant potential for utilization in electric vehicle (EV) because of its inherent advantages such as low cost, robustness, wide speed range, and direct drive mode. However, the unbalanced radial force caused by eccentricity of IWSRM results in increasing vehicle vibration and decreasing riding comfort. In this paper, various vertical vibration control strategies for IWSRM are proposed and compared to improve the vibratory behavior of vehicle. First, effects of eccentricity ratio and eccentric angle on radial force, torque, and inductance are investigated by numerical analysis method for IWSRM. Then, IWSRM model, vehicle model, and suspension model are developed, based on which two common control algorithms (i.e. CCC and PWM) are provided and used as benchmarks to compare with the newly proposed two (i.e. CCC-F and PWM-F). They are designed by introducing the vehicle vertical acceleration as an extra control objective. Finally, the dynamic response of four control strategies are analyzed and the comparison results show that each of them performs differently under different driving conditions. As a result, a switchable controller based on the proposed control algorithms is presented to improve the overall performance of the IWSRM for EVs under various driving modes.

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Section: Iwsrm Model and Characteristics A Iwsrm Modelmentioning

confidence: 99%

Section: Effects Of Unbalanced Radial Force On Vehicle Dynamicsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Vibration Control for Electric Vehicles With In-Wheel Switched Reluctance Motor Drive System

Zhu

Zhao

Zhang³

et al. 2020

IEEE Access

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“…Recent studies show that applying the outer rotor instead of the inner rotor will increase the output torque of the motor. In [20], a four‐phase 16/20 outer‐rotor SRM is proposed and optimised. It is shown that the proposed motor produces a high average torque for an in‐wheel drive vehicle.…”

Section: Introductionmentioning

confidence: 99%

Comprehensive study on divided‐teeth and permanent magnet assisted outer‐rotor switched reluctance motors

Farahani

Mirsalim

2020

IET Electric Power Applications

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A comprehensive study on divided‐teeth permanent‐magnet assisted outer‐rotor switched reluctance motors (SRMs) is carried out. Foremost, it looks into the impact of the number of teeth per stator pole. The average and maximum torque profiles of the compared structures are obtained using finite‐element simulations. It is shown that as the number of teeth increases, higher torque is obtained. Then, six small PMs are inserted inside the teeth of neighbouring modules to form new hybrid reluctance motors (HRMs). The four permanent‐magnet assisted SRMs are compared in terms of the average and maximum torques using finite‐element simulations. Based on the comparison results, the 48/50 HRM is selected as the best candidate among all compared SRMs and HRMs. The magnetic flux density distributions, static torque, and flux linkage characteristics of the proposed HRM are obtained. Moreover, the cogging torque profile of the motor is obtained, which approximates to zero. Next, the steady‐state performances of the proposed HRM are obtained under low‐ and high‐operating speeds. Finally, a prototype of the machine is constructed and the test results are obtained and compared with those of the simulations, which show that there is a good agreement between these results.

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“…Due to their attractive features, switched reluctance motors (SRMs) have attracted increasing attention over the past few decades. 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].…”

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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Design and optimisation of an In‐wheel switched reluctance motor for electric vehicles

Cited by 48 publications

References 21 publications

Vibration Control for Electric Vehicles With In-Wheel Switched Reluctance Motor Drive System

Vibration Control for Electric Vehicles With In-Wheel Switched Reluctance Motor Drive System

Comprehensive study on divided‐teeth and permanent magnet assisted outer‐rotor switched reluctance motors

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

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