基于先进PID控制的液压同步系统研究  

Simulation of Hydraulic Synchronous System Based on Single Neural Networks

作　　者：魏跃斌 陈惠贤[1] 张小奇 任亚峰[1] 黄耀峰[1] 

机构地区：[1]兰州理工大学机电工程学院,甘肃兰州730050 [2]兰州科近泰基新技术有限公司,甘肃兰州730050

出　　处：《液压气动与密封》2016年第1期20-22,共3页Hydraulics Pneumatics & Seals

摘　　要：针对重载四缸同步举升控制系统的高同步精度及稳定性要求,利用单神经元自适应PID控制器对电液比例伺服阀控缸位置进行同步控制。建立了液压举升系统的动态仿真模型,利用AMESim与MATLAB/Simulink联合仿真的方法,在搭建的控制算法下对控制器参数进行优化并进行举升模拟仿真,分析系统在运动过程中及极端工况下的位置同步特性。仿真分析表明:该控制算法能够实现重载四缸同步举升控制系统的高同步精度及稳定性的要求,并且同步精度达到0.5mm。For the requirements in heavy- duty four- cylinder synchronous lifting high synchronization accuracy and stability of the control system, the use of single neuron adaptive PID controller for electro-hydraulic proportional valve- controlled cylinder position servo synchronous control. The hydraulic lifting system dynamic simulation model was established based on, and then use of AMESim MATLAB / Simulink co- simulation method, under the control algorithm to optimize the parameters of the controller and lifting simulation, analysis system during exercise and extreme work under conditions of the synchronous nature of the position. The simulation results indicate that the hydraulic synchronous lifting control system has the higher synchronous control precision and the stability, then the synchronization precision is raised up to 0.5mm.

关 键 词：同步精度 电液比例阀 稳定性 同步特性 

分 类 号：TH137[机械工程—机械制造及自动化] TP273[自动化与计算机技术—检测技术与自动化装置]