Development of a digital control system for a belt-driven starter generator segmented switched reluctance motor for hybrid electric vehicles

Chen, Long; Wang, Haoxiang; Sun, Xiaodong; Cai, Yingfeng; Li, Ké; Diao, Kaikai; Wu, Jun

doi:10.1177/0959651820938945

Cited by 5 publications

(7 citation statements)

References 44 publications

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“…The motor current measured by the current sensor will be fed to the PWM generator module, when the load current is greater than the limited current, the PWM signals will be turned off to protect the drive system. Chen made a preliminary design of the digital control system for such a structure [45], including a power converter, position detection, protection circuit, etc. The control block diagram of the system is shown in Figure 11.…”

Section: Control Of Segmental Rotor Typementioning

confidence: 99%

A Review on Segmented Switched Reluctance Motors

Li²,

Zhang³

et al. 2022

Energies

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The switched reluctance motor (SRM) benefits from its magnet-free nature, robust construction, low cost, flexible controls, and the ability to operate in harsh environments such as high temperatures and high pressure. It has received increasing attention for all-electric or multi-electric aircraft systems and electric vehicles (EVs) as compared with permanent magnet synchronous motors (PMSM) and other AC motors in some required high reliability and fault tolerance applications. However, the SRM is prone to considerable wind resistance due to the convex pole structure of the rotor during high-speed rotation, high torque ripple, and also vibration noise. Thus, it is currently a trending topic to develop special SRMs, tailored with high reliability and fault tolerance. Recent research demonstrates several promising feasible solutions to reduce torque ripples and enhance torque density and power factors, including changing topology of SRM, using advanced control methods, as well as different winding configurations. Among these options, the segmented switched reluctance motor (SSRM), as a deformation of the conventional topology, is shown to be capable of effectively optimizing the torque performance. Motivated by this advance, this paper aims to present a comprehensive literature review on the SSRM, first illustrating the development of the topology of the SRM, then providing a description as well as a classification according to the topology of the SSRM. In particular, we focus on the evolution of various kinds of segmental topology and improvement measures. Then, we discuss the performance, advantages, and disadvantages of various types of structures in terms of their electromagnetic aspects and their applications. Eventually, several promising future trends and application prospects of the SSRM are prospected, with the aim of shedding light on further research. In sum, the key contribution of this paper is to provide a valuable basis for detailed analyses of the structure and electromagnetic design of the SSRM that are expected to benefit future research.

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Section: Control Of Segmental Rotor Typementioning

confidence: 99%

A Review on Segmented Switched Reluctance Motors

Li²,

Zhang³

et al. 2022

Energies

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“…In [57], an advanced four-phase belt-driven starter generator 16/10 segmented SRM has been proposed to increase the fault tolerance capability and reduce the torque ripple. A digital control system has been designed and presented for the machine.…”

Section: One-stack Structure Of the Segsrmmentioning

confidence: 99%

Switched Reluctance Motors and Drive Systems for Electric Vehicle Powertrains: State of the Art Analysis and Future Trends

et al. 2021

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This paper presents a detailed literature review on switched reluctance motor (SRM) and drive systems in electric vehicle (EV) powertrains. SRMs have received increasing attention for EV applications owing to their reliable structure, fault tolerance ability and magnet free design. The main drawbacks of the SRM are torque ripple, low power density, low power factor and small extended speed range. Recent research shows that multi-stack conventional switched reluctance motors (MSCSRM) and multi-stack switched reluctance motors with a segmental rotor (MSSRM-SR) are promising alternative solutions to reduce torque ripples, increase torque density and increase power factor. Different winding configurations such as single-layer concentrated winding (SLC), single layer mutually coupled winding (SLMC), double layer concentrated winding (DLC), double layer mutually coupled winding (DLMC) and fully-pitched winding (FP) are introduced in the literature in recent years to increase average torque and to decrease torque ripples. This research analyzes winding methods and structure of the SRMs, including conventional and segmental rotors. They have been compared and assessed in detail evaluation of torque ripple reduction, torque/power density increase, noise/vibration characteristics and mechanical structure. In addition, various drive systems are fully addressed for the SRMs, including conventional drives, soft-switching drives, drives with standard inverters and drives with an integrated battery charger. In this paper, the SRM control methods are also reviewed and classified. These control methods include strategies of torque ripple reduction, fault-diagnosis, fault-tolerance techniques and sensorless control. The key contributions of this paper provide a useful basis for detailed analysis of modeling and electromechanical design, drive systems, and control techniques of the SRMs for EV applications.

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“…The typical converter for SRMs is the asymmetric halfbridge converter (AHB), 41,[87][88][89][90] and a four-phase AHB converter is shown in Figure 8(a). Taking phase A as an example, three operation modes are shown in Figure 8(b) to (d).…”

Section: Asymmetric Half-bridge Convertersmentioning

confidence: 99%

Overview of multi-phase switched reluctance motor drives for electric vehicles

Han

Diao

Sun

2021

Advances in Mechanical Engineering

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Switched reluctance motor (SRM) provide a potential candidate for electric vehicle (EV) applications due to rigid structure, potentially low production cost, the absence of permanent magnets, excellent power-speed characteristics, and high reliability and robustness. This paper aims to review the current research on the design, winding topologies, converter topologies, and control methods of switched reluctance motors (SRMs). Torque ripple and vibration are the main drawbacks of SRMs, which constrain their application. To conquer these drawbacks, multi-phase SRMs (MSRMs), optimum structure, and control methods of SRMs have been utilized over the past decades. In this paper, MSRMs with multiple combinations of stator/rotor poles and winding arrangements are investigated. Different converter topologies are compared, and a full-bridge converter is suitable for SRMs used in EVs. Torque sharing function, direct torque control, and direct instantaneous torque control are the main control methods to reduce the torque ripple of SRMs, which have been comprehensively summarized.

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Development of a digital control system for a belt-driven starter generator segmented switched reluctance motor for hybrid electric vehicles

Cited by 5 publications

References 44 publications

A Review on Segmented Switched Reluctance Motors

A Review on Segmented Switched Reluctance Motors

Switched Reluctance Motors and Drive Systems for Electric Vehicle Powertrains: State of the Art Analysis and Future Trends

Overview of multi-phase switched reluctance motor drives for electric vehicles

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