Title :
Wheel cylinder pressure control based on high speed on/off valve
Author :
Li, Bo ; Zhuo, Guirong
Author_Institution :
Sch. of Automotive Studies, Tongji Univ., Shanghai, China
Abstract :
A simplified model for the hydraulic unit of Anti-lock brake system is established with the software AMESim, which also obtains the dynamic characteristic curve of high speed on/off valve. Then the relationship width modulation frequency and duty with wheel cylinder pressure is studied. Two methods are presented to figure out the pulse width modulation duty, which are used to control wheel cylinder pressure, according to target cylinder pressure and actual cylinder pressure. The two methods are validated by constant signal, sine bias signal and ramp signal.
Keywords :
brakes; control engineering computing; hydraulic systems; mechanical engineering computing; pressure control; valves; wheels; AMESim software; antilock brake systems; high speed on-off valves; hydraulic unit; pressure control; pulse width modulation; wheel cylinder; Automotive engineering; Educational institutions; Presses; Pulse width modulation; Solenoids; Valves; Wheels; anti-lock brake system; co-simulation; high speed on/off valve; pulse width modulation duty;
Conference_Titel :
Electrical and Control Engineering (ICECE), 2011 International Conference on
Conference_Location :
Yichang
Print_ISBN :
978-1-4244-8162-0
DOI :
10.1109/ICECENG.2011.6058047
