摘要
在液压阀控缸的基础上,改变负载就能获得不同的液压伺服控制系统。分析了阀控非对称缸的负载压力—流量特性,建立了阀控缸流量连续性方程和液压缸的力平衡方程,推导了阀控缸位置控制系统动态特性的数学模型。采用MATLAB软件的SIMULINK模块对阀控缸位置控制系统进行动态特性仿真分析,并进行了实验验证,结果表明:所建数学模型及仿真结果接近实际工况,能满足不同液压伺服控制系统负载特性的分析需要。
Different hydraulic servo control system would be obtained through changing load based on cylinder controlled by servo-valve.Load pressure-flux characteristics of asmmetrical cylinder controlled by servo-valve was analyzed.Flux continuity equation of cylinder controlled by servo-valve and the balance equation of hydraulic cylinder were pat fprward,The dynamic characteristics mathematics model for position control system in cylinder controlled by servo-valve was deduced.SIMULINK module of MATLAB language sof...
出处
《四川大学学报（工程科学版）》
EI
CAS
CSCD
北大核心
2008年第5期195-198,共4页
Journal of Sichuan University (Engineering Science Edition)
基金
国家重大技术装备研制资助项目(ZZ01-13A-02-01)
重庆市自然科学基金(CSTC
2006BB3173)
关键词
液压伺服控制
阀控缸
数学模型
MATLAB
仿真
hydraulic servo control
cylinder controlled by servo-valve
mathematics model
MATLAB
simulation
