Chapter 5 presents the control circuit of capacitor compensated resonant induction heating inverter used capacitive pwm & pfm control method and introduces the principle of the control circuit 第五章给出了实现容性pwm & pfm方法的控制电路和保护电路，介绍了电路原理。
By using technology of spwm , vvvf system has been designed based on tms320lf2407 dsp and the protection circuit also concluded in the system at the same time 运用spwm技术设计和开发一套以tms320lf2407为核心的交流变频调速系统；并对系统的软硬件实现和保护电路做了论述。
Chapter 4 analyzes the main circuit and strategy of rectifier circuit . it also introduces the function of different parts of control circuit of inverter and drive circuit 第四章给出了电源的主电路，并分析电路的控制策略，逆变控制各部分的电路功能以及驱动保护电路等等。
On the basis of these , design machining drawing of medium frequency induction heating power , and produce a prototype of a machine , debugging and testing to prototype of a machine 与此同时，还设计了中频感应加热电源的各种保护电路和中频电源的生产图纸，研制了一台样机。
The module , making the new generation of microcontroller ( pic18f458 ) as the core of the whole system and with peripheral circuits such as the circuits to gather 本论文采用新一代mcu ( pic18f458 )作为系统的核心,辅以参数采集电路、保护电路及lcd显示等外围电路,完整的实现了预期目标。
The electrical design of the whole power supply is given in chapter four . the control diagram of rectifier , inverter , and inverter driver and protection circuit are all given here 第四章里给出了整机的电设计，给出了整流控制框图，逆变控制框图，驱动电路的设计和保护电路的设计。
Small signal jfets work very well as low - leakage diodes by connecting drain & source together in log current - to - voltage converters and low leakage input protection 在对数电流-电压转换器和低漏电流输入保护电路中，通过连接小信号jfets的漏极和源极，可以使之作为低漏电流二极管很好的使用。
Unique circuit design , imported quality tube , protection circuitry , with tricolor fluorescence powder , gentle ray , and a life span of more than 8000 hours 匠心独具的电路设计，采用优质进口开关功率管，辅以完善的保护电路，配合三基色荧光粉灯管，产品光线柔和，光效高，寿命长达8000小时以上。
The hardware control system based on tms320f240 is designed , which includes sampling circuit , protective circuit , phase - compensated circuit , keyboard & display circuit and so on 接着设计以tms320f240为控制核心的硬件控制平台，包括了采样电路、保护电路、相位补偿电路、键盘显示电路等外围电路。
The fuzzy control strategy is used for short period prediction of the microwave power and a fuzzy pid controller is used to control the trigger angle of silicon controlled rectifier ( scr ) 利用硬件超调自动保护电路和模糊pid控制技术对医用微波治疗仪功率控制系统进行了设计，并简要介绍了该仪器的原理及功能。
