AbstractThe problems of environmental climate deterioration,energy security and stableoperation of the grid continue to highlight.Substation is an important part of theconstruction...

ABSTRACTThe vector controlled AC motor drive is a multi-variable system featuring time-variant,nonlinear and strongly coupled papameters.With the addition of some nonlinear and ran...

上海交通大学本科毕业论文智能升旗系统设计滑轮最高点国旗1.8米77拐，机起始点图1.1国旗升降装置原理图第2页共22页

夹具设计说明书1.零件加工工艺分析：该零件简图尺寸标注完整，加工部位也非常清楚明确。由于图纸要求，材料是HT150,大批量生产。工件状态为毛坯件，需要加工零件的下端面，中心孔左端面，螺纹孔...

AbstractSplit extrusion is a newly named local continuous plastic forming methodwhich is still in the research and exploration stage.In this paper,swallowtail groove with a depth o...

关键词：手动一气动转换密封面楔式闸阀弹性闸

ABSTRACTThis paper is about the design of a speed and current double closed-loop speed controlsystem using DC motor and thyristor control technology.Firstly,it is needed to model t...

Automatic tracking smart car positioning and tracking systemdesignABSTRACTWith the coming of 5g era,the network communication technology has made greaterprogress than that of the 2...

浅析软件行业研发费用核算存在的问题及建议一一以11家软件上市公司为例摘要：随着知识经济的到来，企业竞争愈演愈烈，研发能力成为企业在竞争中取胜的重要筹码，研发投入在企业支出中占有的份额...

BJ0144-JCS-018立时加工中心主轴箱及/JCS-018立时加工中心主轴箱及/主轴箱.bakBJ0144-JCS-018立时加工中心主轴箱及/JCS-018立时加工中心主轴箱及/主轴箱.dwgBJ0144-JCS-018立时加工中心主轴箱及...