Testing and performance analysis of an integrated electromagnetic and hydraulic retarder for heavy-duty vehicles

Zhang, Kai; Shang, Huichao; Xu, Jing; Niu, Jigao; Yue, Yonggao

doi:10.1016/j.engappai.2023.106906

Cited by 3 publications

(1 citation statement)

References 16 publications

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“…Due to the characteristics of hydraulic braking itself, these studies cannot truly improve the low-speed braking performance of HRs. However, Gao et al [12] and Zhang et al [13], respectively, proposed a hydraulic electric composite retarder and verified its braking performance advantages via recent experiments.…”

Section: Introductionmentioning

confidence: 99%

Numerical Simulation Study on Braking Performance of a New Eddy Current-Hydrodynamic Hybrid Retarder

Wang,

Guo,

2023

WEVJ

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Based on the principle of eddy current braking and hydraulic braking, a new eddy current-hydrodynamic hybrid retarder (ECHHR) is proposed. Based on the introduction of the working principle and structure of the ECHHR, the finite element analysis models of the electromagnetic field and the flow field of the ECHHR were established, respectively. The electromagnetic field distribution, the flow field velocity, and the flow field pressure in the ECHHR were numerically simulated. The air gap magnetic density, the eddy current braking torque, and the hydraulic braking torque under different excitation currents and different liquid filling rates were calculated. Finally, the braking performance of the EHHR was tested via experiments, and the effectiveness of the finite element analysis method was verified. The test results indicated that as the speed increased, the composite braking torque of the ECHHR increased approximately linearly. When the speed was 1000 r/min, the composite braking torque reached 2100 N·m. Compared to separate hydraulic braking and eddy current braking, the composite braking torque was relatively high in the full-speed range.

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Section: Introductionmentioning

confidence: 99%

Numerical Simulation Study on Braking Performance of a New Eddy Current-Hydrodynamic Hybrid Retarder

Wang,

Guo,

2023

WEVJ

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Design and Performance Analysis of a Novel Liquid-Cooled Electromagnetic Retarder

Zhang,

Bai,

Chen

et al. 2024

IEEE Access

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Research on Braking Characteristics of Hybrid Excitation Rotary Eddy Current Retarder

Wang,

Guo,

et al. 2024

WEVJ

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According to the different excitation methods, automotive eddy current retarders (ECRs) can be divided into electrically excited retarders (EERs) and permanent magnet excited retarders (PMERs), and EERs and PMERs have certain complementarity in control and braking characteristics. Therefore, based on literature research, this article proposes a hybrid excitation rotary electromagnetic retarder (HERER) and conducts numerical simulation analysis and experimental research on the braking performance of the HERER. Firstly, the structure and working principle of the HERER are introduced. Secondly, based on the principles of electromagnetics, an equivalent magnetic circuit analysis model of the HERER is established. Then, a finite element analysis model of the HERER is established using Jmag 14 electromagnetic simulation software, and the braking performance of the HERER under different current and speed conditions is studied. Finally, bench tests are conducted on the air loss torque and eddy current braking performance of the HERER. The effectiveness of the finite element analysis model and equivalent magnetic circuit model of the HERER is verified.

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Testing and performance analysis of an integrated electromagnetic and hydraulic retarder for heavy-duty vehicles

Cited by 3 publications

References 16 publications

Numerical Simulation Study on Braking Performance of a New Eddy Current-Hydrodynamic Hybrid Retarder

Numerical Simulation Study on Braking Performance of a New Eddy Current-Hydrodynamic Hybrid Retarder

Design and Performance Analysis of a Novel Liquid-Cooled Electromagnetic Retarder

Research on Braking Characteristics of Hybrid Excitation Rotary Eddy Current Retarder

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