Design, Analysis and Application of Single-Wheel Test Bench for All-Electric Antilock Braking System in Electric Vehicles

Xiangdang Xue, Ka Wai Eric Cheng, Wing Wa Chan, Yat Chi Fong, Kin Lung Jerry Kan and Yulong Fan
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Xiangdang Xue: Department of Electrical Engineering, The Hong Kong Polytechnic University, Hong Kong, China
Ka Wai Eric Cheng: Department of Electrical Engineering, The Hong Kong Polytechnic University, Hong Kong, China
Wing Wa Chan: Department of Electrical Engineering, The Hong Kong Polytechnic University, Hong Kong, China
Yat Chi Fong: Department of Electrical Engineering, The Hong Kong Polytechnic University, Hong Kong, China
Kin Lung Jerry Kan: Department of Electrical Engineering, The Hong Kong Polytechnic University, Hong Kong, China
Yulong Fan: Department of Electrical Engineering, The Hong Kong Polytechnic University, Hong Kong, China

Energies, 2021, vol. 14, issue 5, 1-12

Abstract: An antilock braking system (ABS) is one of the most important components in a road vehicle, which provides active protection during braking, to prevent the wheels from locking-up and achieve handling stability and steerability. The all-electric ABS without any hydraulic components is a potential candidate for electric vehicles. To demonstrate and examine the all-electric ABS algorithms, this article proposes a single-wheel all-electric ABS test bench, which mainly includes the vehicle wheel, the roller, the flywheels, and the electromechanical brake. To simulate dynamic operation of a real vehicle’s wheel, the kinetic energy of the total rotary components in the bench is designed to match the quarter of the one of a commercial car. The vertical force to the wheel is adjustable. The tire-roller contact simulates the real tire-road contact. The roller’s circumferential velocity represents the longitudinal vehicle velocity. The design and analysis of the proposed bench are described in detail. For the developed prototype, the rated clamping force of the electromechanical brake is 11 kN, the maximum vertical force to the wheel reaches 300 kg, and the maximum roller (vehicle) velocity reaches 100 km/h. The measurable bandwidth of the wheel speed is 4 Hz–2 kHz and the motor speed is 2.5 Hz–50 kHz. The measured results including the roller (vehicle) velocity, the wheel velocity, and the wheel slip are satisfactory. This article offers the effective tools to verify all-electric ABS algorithms in a laboratory, hence saving time and cost for the subsequent test on a real road.

Keywords: antilock braking system (ABS); electric braking system; electric vehicles (EV); test bench (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: 2021
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