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起重机
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  crane
    THE APPLICATIONS OF THE TP-180 SINGLE COMPUTER FOR PRESERVING PAGODA-TYPE CRANE AND INTERCHANGING ITS SPEED
    TP-801单板机在塔式起重机保护与调速系统中的应用
短句来源
    Remote measurement system of crane electronic weighing device
    起重机用电子称量装置的遥测系统
短句来源
    Controling DLQ16——automatic tire crane with programmable controllers
    用可编程序控制器改造DIQ16型电动轮胎起重机
短句来源
    A Condition Monitoring Device for Steel Wire Rope on the Harbour Crane
    港口起重机钢丝绳状态监测仪的研制
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    Study on Database of FEA Modelling Expert System for Turntable of 160t Railway Rescue Crane
    160t 铁路救援起重机转台有限元建模专家系统数据库的研究
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  “起重机”译为未确定词的双语例句
    Application of PLC in TowerCrane Electronic Control
    PLC在塔式起重机电气控制上的应用
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    As the example of Siemens s7-300 PLC,it trash out the communication, disposing of the incepted data from s7-300 PLC,organizing of sytem's form ,the refreshing of the form's controller and the operation of database.
    并以Siemens S7-300 PLC为例,具体研究解决了起重机上位监控系统中包括与S7-300 PLC的数据通讯、通讯数据接收后在上位机中的处理、系统监控界面的组织、界面中控件的更新以及系统对于数据库的具体操作等。
短句来源
    This paper has analysed the method of the founding of the accurate Q—R regression model, and has study the realization of the function of moment limiter by PLC with experiment.
    本文对起重机的起重量—幅度(Q—R)曲线精确回归模型的建立方法进行了分析和研究,并对起重机Q—R曲线PLC控制的实现进行了实验研究。
短句来源
    Application of the remote-control technique to bridge-crane
    遥控技术在桥式起重机上的应用
短句来源
    The diagnosis of the metal structure is an important subject in the engineering machine nowadays.
    目前,金属结构故障诊断成为工程机械领域的一个重要的研究课题,对大型化、老龄化的门座起重机而言,其金属结构的故障时有发生。
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  crane
The algorithm of control of a multivariable plant was used to solve the problems of control of the overhead crane and calculation of the cost of option for buy (sell) of shares.
      
An experiment is described on artificial insemination of females of the white-naped crane Grus vipio by the frozen-thawed semen of the Siberian white crane G.
      
As a result, an interspecific hybrid of cranes was obtained, which confirmed the possibility of producing a bank of cryoconserved crane semen.
      
The use of the white-naped crane females was due to the absence of conspecific males and unavailability of Siberian white crane females.
      
Problems of artificial insemination and cryoconservation of semen of rare crane species are discussed.
      
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In large workshops, cranes with electronic scale have to run a long way. Radio transmission is often used to transfer the output signals of weighing sensor tO secondary instrument or to the remote control cabin for centrallzed computer control. Sensors are installed in the hook block or lifting system. Their output signtls are detected by digital instruments and displayed in decimal system. These decimal signals are them coded and transmitted by remote measurement system to the receiving station on the ground,...

In large workshops, cranes with electronic scale have to run a long way. Radio transmission is often used to transfer the output signals of weighing sensor tO secondary instrument or to the remote control cabin for centrallzed computer control. Sensors are installed in the hook block or lifting system. Their output signtls are detected by digital instruments and displayed in decimal system. These decimal signals are them coded and transmitted by remote measurement system to the receiving station on the ground, In this paper the, remote measurement system is mainly introduced.

在大型生产车间,带有电子称量装置的起重机要长距离地运行。为了将称重传感器的输出信号送至二次仪表及集控室,实现电子计算机集中控制,常需采用无线电传输。称盘传感器安装在吊钩组成卷扬系统里,由它获得的电信号由一个数字式仪表检测出来,并以十进制数进行显示。然后这十进制信号再由遥测系统以编码形式传送到地面接收站。本文重点介绍此种遥测系统。

This paper represents a computer control system and time opti-mum control principle used in cranes, a good result has been achieved.

在最大允许工作速度接近技术极限的情况下,如何通过快速精确定位来提高工作效率,这是目前大型起重设备控制中存在的一个问题。本文在对港口集装箱起重机控制系统的研究中,采用计算机控制系统和最优控制方法来实现快速准确定位,取得了较好的效果。

The LQ method with frequncy-shaped weighting matrices in the quadratic cost funtional is the extension of LQ method. This method can better suppress the response in the high frequncy range than LQ method. In the paper a experimantal crane computer control system designed by using frequncy shaping method is described. The system can control the position of mass hanging from the crane without producing serious residual oscillations when the crane is suddenly moved or stopped. The researches show the effecitiveness...

The LQ method with frequncy-shaped weighting matrices in the quadratic cost funtional is the extension of LQ method. This method can better suppress the response in the high frequncy range than LQ method. In the paper a experimantal crane computer control system designed by using frequncy shaping method is described. The system can control the position of mass hanging from the crane without producing serious residual oscillations when the crane is suddenly moved or stopped. The researches show the effecitiveness of frequncy shaping method. Swing of the hanging mass is well suppressed.

在代价函数中具有频率加权的LQ方法是一般LQ方法的推广,它比LQ方法能较好地抑制高频范围内的响应。本文介绍了采用频率加权方法设计的实验性桥式起重机数字控制系统,该系统在起重机突然起动或停止时,可以控制吊物的位置不产生严重的残留振荡。研究表明频率加权最优控制是有效的,系统成功的抑制了吊物的摆动。

 
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