查询词典 positioner

All in all,the intelligent electro _pneumatic valve positioner have its advantage,also is one of trend of control process development.

综合来讲，智能电-气阀门定位器拥有其优越性，是过程控制发展的趋势之一。

The Transmitter is an internally mounted module for use in the Positioner.

这种发射器是用在定位器内的内部安装模块。

It is used in controllingpneumatic linearactuators in order to orient the positioner of valve exactly.

该方案主要用于控制气动直行程执行器，实现阀门的准确定位。

Valve positioner is a typical nonlinearity system.

阀门定位器是典型的非线性系统，难以建立精确的数学模型。

Though the gyration and retroflexion of the workbench, the welding positioner can make the welding line to an ideal position, which can improve the quality of the welded joint, reduce welder's workload. It is ideal equipment especially fit to weld the kinds of workpiece, just like the shaft, tray, canister, and so on.

焊接变位机可水平翻转角度，通过工作台的回转及翻转运动使工件上焊缝处于最理想的位置进行焊接，从而大大提高焊缝质量，减轻焊工劳动强度，尤其是适合焊接各种轴类、盘类、筒体等回转工件的理想设备。

Configurable also as signaler , positioner or digital indicator

可以组态为信号指示器，定位器或数字显示器

Using SPIV technique's photographic method,CCD camera was placed on a three-dimensional positioner system,took two photos from two directions of this holograms,andobtained two directions'particle images for three-dimensional calculation.

采用体视PIV技术中正直摄影方法，将一个CCD相机安装在高精度的位移机构上，从全息图再现象的两个方向拍摄，获取同一切面两个不同观察方向的两次曝光粒子图象，从而实现三维速度重建。

Contract:This article disausses the principal of main steam temperature control system according the problems in running,including the unreasonable main steam pressure set point volue,hot air injection flow is not acciurate,Charge of steam temperature has the big delay and the common PID can′t satisfy the regulate′s demandthen take the according measures,adopt smith predictor,change to ABB intelligent positioner,add the hot air injection antiblock device,test the main steam temperature automation and optimization the specificator.

中国国电集团公司菏泽发电厂热工，山东摘要：本文论述汽温控制系统组成原理，针对运行中发现的问题，包括一次风母管压力自动设定值设计不合理，导致主汽温度和再热汽温度变化幅度加大，底部注入风量和汽温参数测量不准确，汽温变化迟延大，常规PID满足不了调节要求，采取了相应措施，改用史密斯预测器，更换为ABB定位器，增加底部注入风量等测点防堵装置，并对主汽温自动进行试验和参数优化。

VPR pneumatic valve positioner is Yamatake - Honeywell VFR Cam flexure control valve of the special annex.

VPR气动阀门定位器是日本山武——霍尼韦尔公司VFR凸轮挠曲调节阀的专用附件。

Products has led spring testing machine, static and dynamic universal testing machine, winding machine, winding mode, the wheel frame, welding positioner, automatic welding machine operator, electronic universal testing machine, torsion testing machine, impact tester, hardness tester, artificial board testing machine such as the top ten series.

主导产品有弹簧试验机、动静万能试验机、绕线机、绕线模、滚轮架、焊接变位机、自动焊操作机、电子万能试验机、扭转试验机、冲击试验机、硬度计、人造板试验机等十大系列。

Chrysanthemum of 10 thousand birthday is lax to edaphic requirement, with the arenaceous qualitative loam with fecund, good drainage had better.

万寿菊对土壤要求不严，以肥沃。排水良好的砂质壤土为好。

He unstepped the mast and furled the sail and tied it.

他拔下桅杆，把帆卷起，系住。