A Pneumatic Control Method for Commercial Vehicle Electronic Brake System Based on EPV Module

被引：5
|
作者：
Zhang, Lanjiang [1 ]
Yan, Yang [1 ]
Zhu, Qingwei [1 ]
Zhao, Gang [2 ]
Feng, Deying [1 ]
Wu, Jian [1 ]
机构：
[1] Liaocheng Univ, Sch Mech & Automot Engn, Liaocheng 252000, Peoples R China
[2] Liaocheng Transportat Serv Ctr, Liaocheng 252000, Peoples R China
来源：
ACTUATORS | 2022年 / 11卷 / 11期
关键词：
air pressure control; commercial vehicle; EBS; EPV; HIL; PERFORMANCE;
D O I：
10.3390/act11110316
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
The traditional electronic braking system (EBS) of a commercial vehicle has the problems of sluggish pressure response, large dynamic error and unsatisfactory braking effect during braking. First, a novel EBS system based on electronic pneumatic valves (EPV) module is designed, which integrated the control of each pneumatic valve. Secondly, the hardware of the EBS bottom controller and the air pressure closed-loop control are carried out. A kind of similar to PWM (SPWM) air pressure control method is proposed. By controlling the opening and closing time of the solenoid valves, the brake air pressure could be precisely regulated, and the dynamic response characteristics of the system are improved. Eventually, commercial vehicle air brake hardware in the loop (HIL) test platform based on LabVIEW and NI-PXI system is built to verify the effectiveness of the EBS dynamic response characteristics. The experimental results showed that the continuous control of EBS solenoid valves is realized by using the SPWM control method, and the fine dynamic response characteristics of EBS air pressure closed-loop control are ensured.
引用
收藏
页数：17
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