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电液伺服闭式泵控系统位置前馈补偿控制研究
引用本文:陈革新,赵鹏辉,刘小胜,闫桂山,艾超.电液伺服闭式泵控系统位置前馈补偿控制研究[J].液压与气动,2019,0(12):28-32.
作者姓名:陈革新  赵鹏辉  刘小胜  闫桂山  艾超
作者单位:1.燕山大学机械工程学院,河北秦皇岛066004; 2.河北省重型机械流体动力传输与控制实验室,河北秦皇岛066004; 3.先进锻压成型技术与科学教育部重点实验室(燕山大学),河北秦皇岛066004; 4.格特拉克(江西)传动系统有限公司,江西南昌330013
基金项目:国家自然科学基金(51475406);河北省自然科学基金优秀青年基金(E2018203388);河北省高等学校科学技术研究青年基金(QN20132017);燕山大学青年教师自主研究计划课题(13LGB005)
摘    要:以电液伺服闭式泵控系统为研究对象,提高其位置控制精度及响应速度为目标,提出电液伺服闭式泵控系统位置前馈补偿控制算法。首先,对电液伺服闭式泵控系统数学模型进行推导,得出位置控制系统传递函数;其次,推导位置控制前馈补偿控制器,该控制器可依据系统运动轨迹变化实时补偿定量泵转速,实现系统高精度位置输出;最后,在电液伺服闭式泵控实验平台上,对系统的位置控制性能进行试验研究并给出定量分析。实验结果表明:前馈补偿控制器可大幅提高系统位置控制性能。研究成果将为电液伺服闭式泵控系统高精度位置控制奠定基础,对泵控技术的工程推广具有积极的意义。

关 键 词:电液伺服  闭式泵控  位置控制  前馈补偿  
收稿时间:2019-07-11

Position Feedforward Compensation Control of Electro-hydraulic Servo Closed Pump Control System
CHEN Ge-xin,ZHAO Peng-hui,LIU Xiao-sheng,YAN Gui-shan,AI Chao.Position Feedforward Compensation Control of Electro-hydraulic Servo Closed Pump Control System[J].Chinese Hydraulics & Pneumatics,2019,0(12):28-32.
Authors:CHEN Ge-xin  ZHAO Peng-hui  LIU Xiao-sheng  YAN Gui-shan  AI Chao
Affiliation:1. School of Mechanical Engineering, Yanshan University, Qinhuangdao,Hebei066004; 2. Hebei Provincial Key Laboratory of Heavy Machinery Fluid Power Transmission and Control, Qinhuangdao, Hebei066004; 3. Key Laboratory of Advanced Forging Forming Technology and Science (Yanshan University), Ministry of Education, Qinhuangdao, Hebei066004; 4. GETRAG (Jiangxi) Transmission Co., Ltd.,  Nanchang, Jiangxi330013
Abstract:Taking electro-hydraulic servo closed pump control system as the research object, this paper puts forward the position feedforward compensation control algorithm of electro-hydraulic servo closed pump control system with the aim of improving its position control precision and response speed. Firstly, the mathematical model of electro-hydraulic servo closed pump control system is deduced, and the transfer function of the position control system is obtained. Secondly, the position control input feedforward compensation controller is deduced, which includes the inherent nonlinearity of the hydraulic system and the characteristics of the load disturbance. Finally, on the electro-hydraulic servo closed pump control experimental platform, the position control performance of the system is studied experimentally and quantitative qualitative analysis is given. The experimental results show that the Feedforward compensation controller can greatly improve the position control performance of the system. The above research results will lay a certain foundation for the high precision position control of electro-hydraulic servo closed pump control system, which is of positive and important significance to the engineering popularization of pump control technology.
Keywords:
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