Browse Publications Technical Papers 2016-01-0467
2016-04-05

Function-Based Architecture Design for Next-Generation Automotive Brake Controls 2016-01-0467

This paper presents a unified novel function-based brake control architecture, which is designed based on a top-down approach with functional abstraction and modularity. The proposed control architecture includes a commands interpreter module, including a driver commands interpreter to interpret driver intention, and a command integration to integrate the driver intention with senor-guided active driving command, state observers for estimation of vehicle sideslip, vehicle speed, tire lateral and longitudinal slips, tire-road friction coefficient, etc., a commands integrated control allocation module which aims to generate braking force and yaw moment commands and provide optimal distribution among four wheels without body instability and wheel lock or slip, a low-level control module includes four wheel pressure control modules, each of which regulates wheel pressure by fast and accurate tracking commanded wheel pressure. For electric vehicles, a distribution module considered regenerative braking will also be added into the architecture (low-level control). Then, based on the above novel control architecture and simulation platform, some extensive simulations have been conducted, which demonstrate the validity and effectiveness of the proposed concept and method.

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