Multi-level Pressure Switching Displacement Servo Control Systems

被引：0
|
作者：
Cao X. [3 ]
Guo B. [2 ,3 ]
Wang P. [3 ]
Li Y. [3 ]
Yao J. [1 ,2 ,3 ]
机构：
[1] School of Mechanical Engineering, Yanshan University, Qinhuangdao, 066004, Hebei
[2] Key Laboratory of Advanced Forging & Stamping Technology and Science, Ministry of Education, Yanshan University, Qinhuangdao, 066004, Hebei
[3] Hebei Province Key Laboratory of Heavy Machinery Fluid Power Transmission and Control, Yanshan University, Qinhuangdao, 066004, Hebei
来源：
Guo, Baofeng (guobf@ysu.edu.cn) | 1600年 / Chinese Mechanical Engineering Society卷 / 28期
关键词：
Displacement control; Energy saving; Hydraulic system; Switching;
D O I：
10.3969/j.issn.1004-132X.2017.20.009
中图分类号：
学科分类号：
摘要：
For conventional valve-controlled servo control system in huge throttling loss, a multi-level pressure hydraulic switching system presented a possible solution to this challenge. Firstly, composition, working principles, definitions of multi-stage output forces and realization of energy-saving mechanism of this new hydraulic system were given, and the mathematical model were established. Secondly, taking a three-level pressure power supply for a displacement control system as example, a hybrid switching control strategy was designed. Finally, an experimental rig was established, and the control and energy saving characteristics of multi-level pressure hydraulic switching system were validated. The results prove that displacement and velocity jitter are existed during pressure switching, it has a significant energy saving effectiveness compared to the conventional hydraulic displacement control systems with the similar useful working energy. © 2017, China Mechanical Engineering Magazine Office. All right reserved.
引用
收藏
页码：2447 / 2454
页数：7
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