摘要
在带压修井过程中,为了解决油管重量增加或减少引起的不平稳、振荡等问题,需要根据不同的负载情况来调整起吊机的输出。S7-200系统中带有的PID控制器能够根据外部实际的负载情况,通过PID运算对起吊机的输出进行控制,使之与负载相符,并且通过稳定边界法求出最优参数。通过MATLAB仿真能够看出,由稳定边界法求出的参数能使系统快速稳定地响应。
In order to solve the problem of unbalance and vibration caused by the tubing weight increase or decrease during the process of workover under pressure,the lifting machine output need to be adjusted according to different load conditions.The PID controller included in the S7-200 system could control the output of lifting machine through the PID algorithm on the basis of actual situation of external load.The optimal parameters were obtained through stable boundary method.Simulation by MATLAB indicated that the parameters got through stable boundary method could make the system response rapidly and stably.
出处
《机械工程与自动化》
2012年第2期141-143,146,共4页
Mechanical Engineering & Automation
关键词
带压修井作业
可编程逻辑控制器
参数整定
MATLAB
workover operation under pressure
programmable logic controller
parameters setting
MATLAB
