基于永磁同步电机的电梯伺服系统控制与算法实现
AbstractPermanent magnet synchronous motor (PMSM)with high efficiency,small size,andsuperior control performance gradually become the mainstream of new elevator tractionmachine.The...
家长对小班幼儿“过度保护”行为现状的个案研究
AbstractChina is in a period of rapid economic and social development,the overalleconomic level is improving,and people's living standards are gradually improving.However,with the ...
某医院网上预约挂号系统的设计与实现
北京理工大学珠海学院2020届本科生毕业论文Design and implementation of Hospital Reservation SystemAbstractWith the development of the times and the growth of the population,people'sl...
基于LabView的电学虚拟实验平台设计
北京理工大学珠海学院2020届本科生毕业设计Design of Electric Virtual Experiment Platform Based onLabVIEW-Digital Circuit ModuleAbstractUsing the modular design idea,the digital circu...
沈阳轻轨运营中的危险性评价
本科论文AbstractWith the acceleration of urbanization and the increase of urban population,thecontradiction between urban development and urban infrastructure is prominent.Trafficc...
线形带状公园绿轴项目景观设计
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物流行业订单系统分析与设计
北京理工大学珠海学院2020届本科生毕业设计Logistics order system analysis and designAbstractNowadays,express delivery accounts for an increasing proportion of e-commerce.Unlikeexpres...
基于51单片机超声波测距
4.衰减.10图3-7声压在不同距离下的衰减特性105.声压特性10图3-8超声波传感器的声压图,.116.灵敏度特性图3-9超声波传感器灵敏度示意图117.辐射特性….113.3.5测距分析..12图3-11探测距离原理图....
基于单片机的温控风扇设计
苏州市职业大学毕业设计AbstractIn modern society,many industrial production and daily life are inseparable from theapplication of temperature control fan,which plays a prominent rol...











