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Development of Parametrically Integrated Software Platform for Passenger Car Brake System
ISSN: 0148-7191, e-ISSN: 2688-3627
Published April 2, 2019 by SAE International in United States
This content contains downloadable datasetsAnnotation ability available
The hydraulic servo brake system for passenger car plays a central role in occupant protection, which directly affects the automotive active safety and road handling. In this paper, an integrated parameterized software platform of hydraulic servo brake systems is proposed to realize fast and efficient braking system development. At first, according to the structure and working principle of the hydraulic servo brake system, the relationship among amount of fluid required for brake caliper, pedal feel and performance of the brake system is analyzed. Then, based on kinematics and dynamics of the hydraulic servo brake system, a simulation model for analyze pedal feel and amount of fluid required for brake caliper is built in AMESim, which is composed of brake pedal, vacuum booster, brake master cylinder, brake hoses and brake calipers, etc. In addition, the accuracy of the simulation model is verified by bench tests, and the significantly influential factors on the amount of fluid required for brake calipers are analyzed through orthogonal experimental design. The ranking of their influence is diameter of brake wheel cylinder D first, piston ring stiffness K second, and followed by gap δ. Finally, the “ECE” regulation and enterprise standards are used to evaluate the design of the automotive brake system, and an optimization solution is proposed based on evaluation results. With a friendly visual interface and integration technology, the design of the hydraulic servo brake system can be quickly implemented on this software platform, including component characteristics, brake performance calculations, simulation analysis, and regulatory determination.
This research can be used as an important reference for obtaining the optimal braking performance of passenger cars, and also provides a theoretical basis for design of brake-by-wire system.
CitationPan, J., Guo, X., Zhou, W., Pei, X. et al., "Development of Parametrically Integrated Software Platform for Passenger Car Brake System," SAE Technical Paper 2019-01-1231, 2019, https://doi.org/10.4271/2019-01-1231.
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