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数字PID液位控制调节器的设计 被引量:1
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作者 席玉青 《山东工业技术》 2015年第21期129-129,共1页
随着科学技术的飞速发展和人们生活水平的提高,现代仪表已日趋数字化、网络化和智能化。本设计是针对液位的一种数字PID控制器,可以在线实现PID参数的调整,使控制系统的响应速度加快,超调量减少,过渡过程时间大大缩短,振荡次数少。该控... 随着科学技术的飞速发展和人们生活水平的提高,现代仪表已日趋数字化、网络化和智能化。本设计是针对液位的一种数字PID控制器,可以在线实现PID参数的调整,使控制系统的响应速度加快,超调量减少,过渡过程时间大大缩短,振荡次数少。该控制器可以在液晶屏屏同时显示设定值、反馈值和PID各参数的值。 展开更多
关键词 数字PID 液位控制调节器 设计
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Experimental analysis on adjusting performance of vapor-liquid two-phase flow controller
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作者 李慧君 屠珊 《Journal of Harbin Institute of Technology(New Series)》 EI CAS 2006年第5期525-530,共6页
The vapor-liquid self-adjusting controller is an innovative automatic regulating valve.In order to ensure adjusted objects run safely and economically,the controller automatically adjusts the liquid flux to keep liqui... The vapor-liquid self-adjusting controller is an innovative automatic regulating valve.In order to ensure adjusted objects run safely and economically,the controller automatically adjusts the liquid flux to keep liquid level at a required level according to physical properties of vapor-liquid two-phase fluid.The adjusting mechanics,the controller’s performance and influencing factors of its stability have been analyzed in this paper.The theoretical analysis and successful applications have demonstrated this controller can keep the liquid level steady with good performance.The actual application in industry has shown that the controller can satisfactorily meet the requirement of industrial production and has wide application areas. 展开更多
关键词 vapor-liquid two-phase flow adjusting performance liquid level controller
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