Introduces the basic structure,working principle,trait,load method and control,testing data gathering,export and display of shearer draw part direct current power return to load test bed.It solves the problem which is the right test of coal machine draw part.
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This paper studies and puts forward the feedback analysis method of operation and control loads of the dam with slot during operation period and derives its calculation control load formula.
研究并提出了带缝混凝土坝运行期的馈控运行荷载的方法，推导了其计算控制荷载的公式，研制了相应的分析程序。
Fracture mechanism, initiation and propagation of cracks, and the control method of cracks in rock like brittle material under dynamic load are described in this paper.
本文主要论述了动荷载作用下岩石等脆性材料的断裂破坏机理、裂纹形成与扩展以及裂纹的止裂与控制等内容。
The calculation, control and realization method of load balance between inverters on the straightener of continuous caster are presented.
介绍了连铸拉矫机变频器装置之间负载平衡的计算、控制和实现方法。
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