|Table of Contents|

Characteristics of solenoid valve in electronic parkingbrake system control

《南京理工大学学报》(自然科学版)[ISSN:1005-9830/CN:32-1397/N]

Issue:
2016年01期
Page:
124-
Research Field:
Publishing date:

Info

Title:
Characteristics of solenoid valve in electronic parkingbrake system control
Author(s):
Huang Di1Wang Hongliang1Pi Dawei1Shi Bingliang2Li Nan2
1.School of Mechanical Engineering,Nanjing University of Science and Technology,Nanjing 210094,China; 2.Virtual Proving Ground,PLA General Armament Department,Nanjing 210028,China
Keywords:
electronic parking brakes parking brake system solenoid valve manual valve discharging characteristics pulse width modulation heavy duty car aeration rate
PACS:
U463.212
DOI:
-
Abstract:
In order to realize the automatic control of a pneumatic parking brake system,the charging and discharging characteristics of the parking control valves and its control method is studied.Analysing the structure and working principle of a heavy duty car parking brake system,this paper designs an overall scheme of the pneumatic electronic parking brake system.The mechanical properties of the spring brake cylinder is analyzed.The charging and discharging characteristics of the electromagnetic valve is studied and compared with the traditional manual valve.The control method of the pulse width modulation(PWM)is analyzed.The relationship between the inflation rate and the PWM duty ratio of the control valve is studied.The experimental results show that the solenoid valve can preserve pressure according to the demand and can adjust the aeration rate of the solenoid valve by changing the PWM signal duty ratio.

References:

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Last Update: 2016-02-29