The invention provides a commercial vehicle air suspension control system and a control method thereof.The control system comprises a suspension height measuring module, a suspension air pressure measuring module, a data processing unit and an electromagnetic valve, and the suspension height measuring module is used for measuring the height of a suspension in real time; the suspension air pressure measuring module is used for measuring the air pressure of a suspension air spring in real time, and the suspension height measuring module and the suspension air pressure measuring module are connected with the data processing unit and used for collecting a suspension height signal of the suspension height measuring module and a suspension air pressure signal of the suspension air pressure measuring module. And after calculation, a control signal is output to the electromagnetic valve so as to control the suspension height and the suspension air pressure. The control method comprises a suspension height PID control method, an air pressure PID control method, a switch control method, a height tolerance adaptive adjustment control method, a Smith pre-estimation compensation control method and the like. The control system and the control method thereof have the characteristics of high control precision, high response speed, low cost, high reliability and the like.
本发明提供一种商用车空气悬架控制系统及其控制方法,其中控制系统包括:悬架高度测量模块、悬架气压测量模块、数据处理单元和电磁阀,悬架高度测量模块用于对悬架高度的实时测量,悬架气压测量模块用于对悬架空气弹簧气压的实时测量,悬架高度测量模块以及悬架气压测量模块分别与数据处理单元连接,用于采集所述悬架高度测量模块的悬架高度信号以及悬架气压测量模块的悬架气压信号,进行计算后输出控制信号至所述电磁阀,以此来控制悬架高度和悬架气压。控制方法包含悬架高度PID控制法、气压PID控制法、开关控制法、高度容差自适应调节控制法以及Smith预估补偿控制法等。该控制系统及其控制方法具有控制精度高,响应速度快、成本低、可靠性高等特点。
Commercial vehicle air suspension control system and control method thereof
一种商用车空气悬架控制系统及其控制方法
2023-03-03
Patent
Elektronische Ressource
Chinesisch
IPC: | B60G VEHICLE SUSPENSION ARRANGEMENTS , Radaufhängungen und Federungen für Fahrzeuge |
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