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A Study on Estimating Characteristics of ABS Using High Frequency PWM Control  

Kim, Byeong-Woo (자동차부품연구원 전장개발부)
Lee, Yong-Joo (두원공과대학 자동차과)
Park, Ho (천안공업대학 자동차과)
Publication Information
Transactions of the Korean Society of Machine Tool Engineers / v.13, no.2, 2004 , pp. 69-74 More about this Journal
Abstract
In general the surge pressure generated in hydraulic systems causes noise, vibration and odd effect to the system. To reduce the surge pressure, high frequency PWM control of 20KHz was attempted. To estimate the braking noise caused by surge, a vehicle equipped with on-board ABS hydraulic modulator has been experimented with respect to the various breaking condition. Thorough this experiments, it was found that breaking noise has been reduced using high frequency PWM control method compare with low frequency method. To evaluate high frequency control m practice, including verification of general functionality, EMI tests was experimented. Its was found that it is necessary to have the solution to electromagnetic interference(EMI) generated by switching elements.
Keywords
ABS; PMW; Modulator; Solenoid Valve; Duly Ratio; Surge Pressure; Brake Noise; Conductive Noise; EMI;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
연도 인용수 순위
1 High-efficiency Brake Pressure Controls in ABS /
[ Imoto,Y. ] / SAE 9837427
2 A Study on Falling Pressure Surge of ABS Using High Frequency PWM Control /
[ Lee,Y.J.;Kim,B.W.;Park,H. ] / Trans. of KSMTE   과학기술학회마을
3 Development of Four Solenoid ABS /
[ Naito,T.;Takeuchi,H.;Kuromitsu,H. ] / SAE 960958
4 The Vibration of Effective Bulk Modulus with Pressure in Hydraulic Systems /
[ Yu,J.H. ] / Trans. of the ASME