1 PLC英文1.1 MotivationProgrammable Logic Controllers (PLC) aputing device invented by Richard E. Morley in 1968 have been widely used in industry including manufacturing systems transportation
附录外文PLC technique discussion and future developmentAlong with the development of the ages the technique that is nowadays is also gradually perfect thepetition plays more more strong the opera
外文文献原稿和译文原 稿IntroductionPLC-Programmable Logic Controllers are widely used in recent years the field of industrial control Such as metallurgy steel production lines etc Its main feature is its stab
英文及中文翻译Development of a multi-agent system for robot soccer game一 IntroductionAs modern industrial society progresses the needs for useful robots are growing. Especially mobile robots are special
英文及中文翻译(步进电机)Stepper motor is an electrical pulse will be converted into angular displacement of the implementing agencies. Put it in simple language-speaking: When the stepper drive pulse signal to
The DS-18B20 number temperature spreads a feeling machineThe DS-18B20 number temperature spreads a feeling machine the product adoptions United States DALLASpany produces of DS18 B20 can set ne
PLC 和组态软件PLC 自动控制 已被广泛应用于工业领域的动机可编程控制器是理查德 e.莫莉于 1968 年发明的其应用领域包括制造系统运输系统化工设备等不胜枚举当时PLC 用软连线逻辑梯形图 编程语言取代硬件逻辑电路 并因此而减少了配置时间从 6个月减至 6 天24000 莫莉1999〕基于 PLC 的控制技术较高的性能低廉的价格和在恶劣的环境中优越的可靠性大部分工业应用已经开始使用并将
电力系统恐怖袭击风险的定量风险分析摘要:国家关键基础设施的安全问题关系到国家的稳定与经济命脉随着技术的发展各种基础设施之间的相互依赖性日益增强使得其脆弱性增加电力系统作为国家的关键基础设施是恐怖袭击的重点目标之一本文首先对恐怖主义属性进行了描述然后采用定量风险分析方法对电力系统遭受恐怖袭击的风险进行评估通过分析寻找出电力系统的脆弱性这有助于针对性地采取有效措施降低系统的脆弱性从而减缓电力系统遭受恐
First LED Summary LED (Light Emitting Diode) light-emitting diode is a solid state semiconductor devices which can be directly converted into electricity to light. LED is the heart of a semiconductor
#
违法有害信息,请在下方选择原因提交举报