Design and Control of an Upper-Wedge-Type Electronic Brake

Author:

Jo C-H1,Lee S-M1,Song H-L2,Cho Y-S3,Kim I4,Hyun D-Y4,Kim H-S1

Affiliation:

1. School of Mechanical Engineering, Sungkyunkwan University, Suwon, Republic of Korea

2. Computer Applied Mechanical Engineering, Ansan College of Technology, Ansan, Republic of Korea

3. Daemyung Engineering Company, Kumsu-myeon, Sancheong-gun, Republic of Korea

4. Vehicle System Development Team, Hyundai-Kia R&D Center, Jangduk-dong, Hwasung-si, Republic of Korea

Abstract

An electronic wedge brake (EWB) uses the wedge principle to provide a self-reinforcement mechanism, resulting in reduced current to the actuation motor. However, this mechanism can lead to an unstable open-loop system. In this study, an upper-wedge moving-type EWB is developed and a control algorithm is proposed to follow the target clamping force and to prevent jamming of the EWB system using the push—pull control of the actuator. The performance of the EWB is evaluated using a dynamometer and a simulator. Based on testing and simulation, the clamping force and braking time of the proposed EWB are shown to be satisfactory with respect to the required braking deceleration.

Publisher

SAGE Publications

Subject

Mechanical Engineering,Aerospace Engineering

Reference3 articles.

1. Modelling and simulating of self-energizing brake system

2. Kwon O., Shin D., Kim M. Improvement of the braking efficiency of the electromechanical brake using a double-wedge structure. In Proceedings of the KSAE Daegu Gyeongbuk Branch 2007 Fall Conference, 2007, paper 07-G0014, pp. 30–34 (Korean Society of Automotive Engineers, pp. 30–34 (Korean Society of Automotive Engineers, Seoul).

3. Hwang Y., Choi S. Adaptive sliding-mode control of the electronic wedge brake. In Proceedings of the KSAE Annual Conference, 2007, pp. 1020–1026 (Korean Society of Automotive Engineers, Seoul).

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