Design and Performance Analysis of a Novel Radially Distributed Electromagnetic-Hydraulic Retarder for Heavy Vehicles

Gao, Zhiwei; Li, Desheng; Tian, Jinshan; Ning, Keyan; Ye, Lezhi

doi:10.1109/tec.2021.3130643

Cited by 11 publications

(3 citation statements)

References 21 publications

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“…In addition, the HR electronic control system is compatible with the ABS system. When the ABS is operating, the retarder stops operating [32] . [28] FIGURE 5.…”

Section: Working Principle Of Retarders a Working Principle Of Hrmentioning

confidence: 99%

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Vehicle Retarders: A Review

Zuowu

Long

et al. 2023

IEEE Access

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Under continuous braking and long slope braking conditions of high intensity for a long time, the temperature of the brake friction plate is extremely high, which leads to poor braking efficiency in the braking process, and even makes the braking force completely lost, More and more heavy-duty vehicles and high-speed transport vehicles are equipped with retarders. As an auxiliary braking system, a vehicle retarder can effectively maintain constant braking efficiency during vehicle braking. This paper discusses the development of HR (Hydraulic retarder) and ECR (Eddy current retarder) with the largest market share, working principle, installation mode, braking efficiency constant effect during use, application range, advantages and disadvantages, patent ownership, and technical difficulty. The technical demands and development trends of future retarders are summarized.INDEX TERMS heavy load vehicle, auxiliary braking, Hydraulic retarder, Eddy current retarder, constant braking efficiency.

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“…In addition, the HR electronic control system is compatible with the ABS system. When the ABS is operating, the retarder stops operating [32] . [28] FIGURE 5.…”

Section: Working Principle Of Retarders a Working Principle Of Hrmentioning

confidence: 99%

“…There is little research on air-cooled ECR, and there are only three patents for air-cooled ECR on the official website of the State Intellectual Property Office. Liquid-cooled ECR and air-cooled ECR work in a similar manner, but the method of heat dissipation is different [32] .…”

Section: B Working Principle Of Ecrmentioning

confidence: 99%

Vehicle Retarders: A Review

Zuowu

Long

et al. 2023

IEEE Access

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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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