12권 5호 697-704 2011 [IJAT]
| 제목 | MODEL-BASED ANALYSIS OF THE MECHANICAL SUBSYSTEM OF AN AIR BRAKE SYSTEM |
|---|---|
| 분야 | Body and Safety |
| 언어 | English |
| 저자 | D. B. SONAWANE(Indian Institute of Technology Madras), S. C. SUBRAMANIAN(Indian Institute of Technology Madras), K. NARAYAN(Indian Institute of Technology Madras), V. S. RAO(Indian Institute of Technology Madras) |
| Key Words | Commercial vehicles, Air brake system, Dynamic analysis |
| 초록 |
Most commercial vehicles such as buses and trucks use an air brake system, often equipped with an S-cam drum brake, to reduce their speed and/or to stop. With a drum brake system, the clearance between the brake shoe/pad and the brake drum may increase because of various reasons such as wearing of the brake shoe and/or brake drum and drum expansion caused by high heat generation during the braking process. Hence, to ensure proper functioning of the brake system, it is essential that the clearance between the brake shoe and the brake drum is monitored. In this paper, we present a mathematical model for the mechanical subsystem of the air brake system that can be used to monitor this clearance. This mathematical model correlates the push rod stroke transients and the brake chamber pressure transients. A kinematic analysis and a dynamic analysis of the mechanical subsystem of the air brake system were performed, and the results are corroborated with experimental data. |
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