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1)  electric-hydraulic proportion adjust
电液比例调节
2)  Electro-hydraulic proportional throttle valve
电液比例节流阀
3)  Proportional regulating solenoid valve
电磁比例调节阀
4)  electric proportional valve
电动比例调节阀
1.
Spray flow was controlled by a new way that PLC controls electric proportional valve for flow regulation after the advantages and disadvantages of many variable spraying systems and variable spraying technology of domestic and overseas were analyzed.
本文在对国内外变量喷雾技术研究情况进行分析和总结,提出了采用PLC控制电动比例调节阀对系统喷雾流量进行控制的新方法。
5)  electro-hydraulic proportional speed-regulating valve
电液比例调速阀
1.
The application of PCL-818L data acquisition card in experimental system of a electro-hydraulic proportional speed-regulating valve is introduced in detail, and control software program design based on DLL under VB6.
介绍了研华PCL-818L数据采集卡在电液比例调速阀实验系统中的应用,以及在VB6。
6)  Electro_hydraulic proportional speed control
电液比例调速
补充资料:比例调节
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性质:调节规律的一种。调节器的输出改变量与被调参数的偏差值成比例。例如贮水槽液面高于给定值时,进水阀就关小,液面越高,阀关得越小。液面低于给定值时,进水阀就开大,液面越低、阀开得越大。优点是比例调节器可使调节位置数目增加到无穷多,成为连续调节系统。缺点是比例调节器还有残余的偏差(简称余差)。

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