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http://dx.doi.org/10.5302/J.ICROS.2012.18.6.519

Sliding Mode Control of Electric Booster System  

Yang, I-Jin (Hanyang University)
Choi, Kyu-Woong (Mando Corporation)
Huh, Kun-Soo (Hanyang University)
Publication Information
Journal of Institute of Control, Robotics and Systems / v.18, no.6, 2012 , pp. 519-525 More about this Journal
Abstract
Electric brake booster systems replace conventional pneumatic brake boosters with electric motors and rotary-todisplacement mechanisms including ECU (Electronic Control Unit). Electric booster brake systems require precise target pressure tracking and control robustness because vehicle brake systems operate properly given the large range of loading and temperature, actuator saturation, load-dependent friction. Also for the implement of imbedded control system, the controller should be selected considering the limited memory size and the cycle time problem of real brake ECU. In this study, based on these requirements, a sliding mode controller has been chosen and applied considering both model uncertainty and external disturbance. A mathematical model for the electric booster is derived and simulated. The developed sliding mode controller considering chattering problem has been compared with a conventional cascade PID controller. The effectiveness of the controller is demonstrated in some braking cases.
Keywords
electric booster; sliding mode control; target pressure tracking; robustness;
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Times Cited By KSCI : 2  (Citation Analysis)
Times Cited By SCOPUS : 0
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