Power Assisted Braking Control Based on a Novel Mechatronic Booster

Paper #:
  • 2016-01-1644

Published:
  • 2016-04-05
DOI:
  • 10.4271/2016-01-1644
Citation:
Liu, H., Deng, W., He, R., Qian, L. et al., "Power Assisted Braking Control Based on a Novel Mechatronic Booster," SAE Int. J. Passeng. Cars - Mech. Syst. 9(2):885-891, 2016, doi:10.4271/2016-01-1644.
Pages:
7
Abstract:
This paper presents a power assisted braking control based on a novel mechatronic booster system. A brake pedal feel control unit is first discussed which includes a pedal emulator with an angular sensor to detect driver’s pedal travel, a signal processing module with a Kalman filter for sensor signal conditioning, and a driver braking intention detection and behavior recognition module based on the displacement and velocity of the pedal travel. A power assisted braking control is then presented as the core of the system which consists of controls on basic power assist, velocity compensation and friction compensation. The friction is estimated based on a generic algorithm offline. A motor controller is designed to provide the desired torque for the power assist. Finally, a novel mechatronic booster system is designed and built with an experimental platform set up with a widely adopted rapid prototype system using dSPACE products, such as MicroAutoBox, RapidPro, etc. Extensive experiments have been conducted which demonstrate the validity and effectiveness of the proposed control for the power assisted braking system.
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