基于注塑机料筒温度控制器算法性能测试中调试时间长、成本高、安全性差等问题,提出采用硬件在环(HIL)半实物仿真技术进行注塑机料筒温度控制算法性能测试,并基于NI Single-Board RIO 9623控制器设计注塑机料筒温度半实物仿真系统。通...基于注塑机料筒温度控制器算法性能测试中调试时间长、成本高、安全性差等问题,提出采用硬件在环(HIL)半实物仿真技术进行注塑机料筒温度控制算法性能测试,并基于NI Single-Board RIO 9623控制器设计注塑机料筒温度半实物仿真系统。通过分析系统结构,解决了系统搭建中涉及到的关键技术点。最后搭建该仿真系统并进行简单仿真测试,验证该系统设计方案是可行的。料筒温度半实物仿真系统通过Lab VIEW编程,编程快速、简单,运行效率高,人机交互更加方便,测试性能更加优越。展开更多
Injection molding machine,hydraulic elevator,speed actuators belong to variable speed pump control cylinder system.Because variable speed pump control cylinder system is a nonlinear hydraulic system,it has some proble...Injection molding machine,hydraulic elevator,speed actuators belong to variable speed pump control cylinder system.Because variable speed pump control cylinder system is a nonlinear hydraulic system,it has some problems such as response lag and poor steady-state accuracy.To solve these problems,for the hydraulic cylinder of injection molding machine driven by the servo motor,a fractional order proportion-integration-diferentiation(FOPID)control strategy is proposed to realize the speed tracking control.Combined with the adaptive differential evolution algorithm,FOPID control strategy is used to determine the parameters of controller on line based on the test on the servo-motor-driven gear-pump-controlled hydraulic cylinder injection molding machine.Then the slef-adaptive differential evolution fractional order PID controller(SADE-FOPID)model of variable speed pump-controlled hydraulic cylinder is established in the test system with simulated loading.The simulation results show that compared with the classical PID control,the FOPID has better steady-state accuracy and fast response when the control parameters are optimized by the adaptive differential evolution algorithm.Experimental results show that SADE-FOPID control strategy is effective and feasible,and has good anti-load disturbance performance.展开更多
文摘基于注塑机料筒温度控制器算法性能测试中调试时间长、成本高、安全性差等问题,提出采用硬件在环(HIL)半实物仿真技术进行注塑机料筒温度控制算法性能测试,并基于NI Single-Board RIO 9623控制器设计注塑机料筒温度半实物仿真系统。通过分析系统结构,解决了系统搭建中涉及到的关键技术点。最后搭建该仿真系统并进行简单仿真测试,验证该系统设计方案是可行的。料筒温度半实物仿真系统通过Lab VIEW编程,编程快速、简单,运行效率高,人机交互更加方便,测试性能更加优越。
基金National Natural Science Foundation of China(No.51675399)。
文摘Injection molding machine,hydraulic elevator,speed actuators belong to variable speed pump control cylinder system.Because variable speed pump control cylinder system is a nonlinear hydraulic system,it has some problems such as response lag and poor steady-state accuracy.To solve these problems,for the hydraulic cylinder of injection molding machine driven by the servo motor,a fractional order proportion-integration-diferentiation(FOPID)control strategy is proposed to realize the speed tracking control.Combined with the adaptive differential evolution algorithm,FOPID control strategy is used to determine the parameters of controller on line based on the test on the servo-motor-driven gear-pump-controlled hydraulic cylinder injection molding machine.Then the slef-adaptive differential evolution fractional order PID controller(SADE-FOPID)model of variable speed pump-controlled hydraulic cylinder is established in the test system with simulated loading.The simulation results show that compared with the classical PID control,the FOPID has better steady-state accuracy and fast response when the control parameters are optimized by the adaptive differential evolution algorithm.Experimental results show that SADE-FOPID control strategy is effective and feasible,and has good anti-load disturbance performance.
