英语proposal.doc

成 绩 中 国 矿 业 大 学 2013 级 硕 士研究生课程考试试卷 考试科目 学术论文写作 考试时间 2014/6/3 学生姓名 王玮 学 号 T 所在院系 信电学院 任课教师 刘会民 中国矿业大学研究生院培养管理处印制 The development of pulse current generator based on PLC 1 Thesis ststement Pulse current generator has a wider application prospects because of its high Voltage，intense current，strong pulse，and other characteristics in the high-electrical experiment．The energy storage of the pluse current generator generally achieved through high-voltage DC power supply．How to realize the charge system reliably and acquisit the discharge waveform becomes the research task· This thesis has mainly studied the pulse current generators charge and discharge，iduces a solution of designing a pluse current generator system architecture based on PLC．and implements the system by Kingview for the remote monitoring teminal·The main work of this paper is as follows： Firstly．it outlines the application characteristics of the pulse current generator in the high-voltage electrical occasions，analyses the domestic and foreign researchdevelopment trend，and illustrates a solution of the pulse current generator control system based on PLC． Secondly，it focuses on designing the hardware of the pulse current generator system and summarizes the functions of the part of the control and collection．The hardware system is made up of four modules including the pulse current generator charge module，pulse current generator discharge module，discharge acquisition module as well as PLC control module．In addition,it elaborates the basic principles and circuit design of the modules and achieves the optoelectronic isolation transmission ,AC-DC convertion，high-voltage charge，metal sphere gap discharge as well as discharge waveform gathering． Finally，it programes the software of the remote operation，PLC contr