A Review of Linear Motor Electromagnetic Energy Regenerative Suspension and Key Technologies

Dong Sun, Renkai Ding () and Rijing Dong
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Dong Sun: School of Automotive and Traffic Engineering, Jiangsu University, Zhenjiang 212013, China
Renkai Ding: Automotive Engineering Research Institute, Jiangsu University, Zhenjiang 212013, China
Rijing Dong: CSSC Power (Group) Co., Ltd., Zhenjiang 212013, China

Energies, 2025, vol. 18, issue 19, 1-53

Abstract: Linear motor electromagnetic energy regenerative suspension (LMEERS), integrating dual functionalities of energy regeneration and active control, possesses the potential to overcome the performance limitations inherent in existing suspension architectures. Research on key technologies for LMEERS aligns with the contemporary automotive development theme of “enhanced comfort, improved safety, and optimized energy efficiency”. This paper reviews the research progress of the configuration design, performance optimization, functionality switching criterion identification, and top-layer control strategies of LMEERS. Regarding configuration design, a systematic summary is provided for the design schemes of fundamental configuration and the technical features of three composite configurations. In the aspect of performance optimization, the specific approaches and their effectiveness in enhancing LMEERS comprehensive characteristics are analyzed. Concerning functionality switching criterion identification, the operating principles and performance differences among various estimation methods in identifying road surface information are discussed. For top-layer control strategies, the characteristics and applicability of various control methods in exploiting the dual functionalities of LMEERS are summarized. Future developments in LMEERS are anticipated to trend towards integration, lightweighting, standardization, intellectualization, and multi-mode operation. This review provides a theoretical reference for the design optimization and technological innovation of LMEERS, contributing to the advancement of automotive chassis systems in terms of electrification, intellectualization, and energy conservation.

Keywords: LMEERS; dual functionalities; configuration design; performance optimization; functionality switching criterion identification; top-layer control strategies (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2025
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