Control of Novel Integrated-Electro-Hydraulic Brake System for Automotive

Paper #:
  • 2015-01-2699

Published:
  • 2015-09-27
DOI:
  • 10.4271/2015-01-2699
Citation:
Xu, S., Yu, Z., and Xiong, L., "Control of Novel Integrated-Electro-Hydraulic Brake System for Automotive," SAE Technical Paper 2015-01-2699, 2015, doi:10.4271/2015-01-2699.
Pages:
7
Abstract:
With the electrification and intelligentialization of vehicle, requirements on more intelligent and integrated brake system are put forward. A novel integrated-electro-hydraulic brake system (I-EHB) for automotive is presented to fulfill these requirements. I-EHB is consisted of active power source (APS), pedal feel emulator (PFE), electro control unit (ECU) and hydraulic control unit (HCU). The system characteristics of I-EHB are tested through test rig. According to characteristics experiments, friction and non-linear phenomena in hydraulic pressure control are found. In order to overcome these phenomena in control of I-EHB, chatter-compensation is adopted based on experiment analysis. Algorithm are tested and optimized through test rig. As a result, through chatter-compensation the hydraulic pressure is controlled accurately and chatter-compensation is optimized for different working conditions.
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