By analyzing the equivalent circuit of statcom , the basic requirements to the triggering system was pointed out , and the cpld - based functional structure for triggering pulse generator was established 通过对statcom工作原理与等效电路的分析，指出了statcom对其触发系统的基本要求，建立了基于cpld的触发脉冲发生电路的功能逻辑结构。
The system is composed of parallel microprocessor interface , spwm generator , deadtime compensation module and pulse blocking module . the pwm pulse signal is automatically generated as soon as the control variables ( s , x ) input from microprocessor 该系统由并行微处理器接口、 spwm脉冲发生模块、死区补偿模块和脉冲封锁模块组成，可以按照微处理器给定的控制变量、自行产生触发脉冲。
Relay - contactor control unit is employed in pulse power supply to fulfill the function of charging , discharging and fast charging which has the features of the strong ability against the violent electromagnetic interference and the high stability 脉冲电源的充电、泄放电和快速充电等单元的控制采用抗干扰能力很强的继电器?接触器控制单元来完成。运行频率的设定以及快速晶闸管触发脉冲的产生由计算机控制单元完成。
Computer control unit produces the trigger pulses for the fast switching thyristors . fast switching thyristors are connected in parallels in order to meet the capacitance requirement of the circuit . trigger pulses produced by computer are amplified and isolated by three pulse transformers 设计三级脉冲变压器来隔离和放大计算机产生的触发脉冲，得到强触发信号满足了多个快速晶闸管并联触发的功率要求以及系统的抗反击电压的要求。
In this part , the high - frequency series inverter with resonant pole capacitor is introduced mainly . the current - exchanging processes of the inverter in different working modes are analyzed , how to reduce the switching loss is discussed , and the calculating methods of snubber capacitor c , factor angle switching frequency and pulse width pw are given in optimum switching process . and results of simulation and experiment verify the validity of theoretic analysis 接着重点研究了含有谐振极无损缓冲电容的逆变器，对其换流过程中的不同工作状态进行分析，讨论了如何减小逆变器的开关损耗，给出了最佳工作状态下缓冲电容c 、感性角、开关频率、触发脉冲的脉宽pw的详细计算方法，并通过大量的仿真和实验波形证明了理论分析的正确性。
This dissertation majorly researchs and designs full digital dc driving system with fuzzy control . it makes a scheme argumentation firstly , analyzing the pid algorithm and fuzzy control algorithm the ordinary digital pulse trigger algorithm and the double remainder method of pulse trigger in detail , and fuzzy control and the double remainder method are put forward to settle the under - mentioned problems , namely , the new viewpoint and the task having finished in this dissertation as follows : ( 1 ) in rder to overcome the influence of dc motor ' s parameter changing with time and nonlinear on the control system performance , this dissertation adopts fuzzy control as outside regulator and pi control as inside regulator in double regulators of the full digital dc motor driving system design ; . ( 2 ) aiming at the pulse trigger reliability of the ordinary d igital pulse trigger being low and leaking the pulse or the order of pulse confusion , this paper adopts the double remainder algorithm with short response time high pulse trigger reliability good adaptability and anti - jamming ; ( 3 ) this dissertation adopts tms320lf2407 which has good performance as major control chip this chip has power function with fast calculation capability , and accomplishes the software and hardware design in the dc motor driving system with fuzzy control ; ( 4 ) this dissertation also puts emphases on anti - jamming in hardware and software ; ( 5 ) after having designed the sample of full digital dc motor driving system with fuzzy control , a lot of experiments are performed to verify the performance and settles problems during experiment . the result of experiment proves the feasibility of design 首先进行了方案论证，对模糊控制算法和数字pid调节算法、触发脉冲的一般算法和双余算法进行了详细地研究分析，提出应用模糊控制和双余法解决下述问题，即该论文主要的新见解和所完成的工作： ( 1 )为了克服直流电机参数时变性和非线性因素对控制性能的影响，本设计中，双闭环调速系统的外环采用模糊控制，内环采用pi控制，使系统在一定范围内对直流电机参数变化和非线性因素影响有自适应能力； ( 2 )针对常规数字触发器算法中触发脉冲的可靠性不高，经常出现漏脉冲或是脉冲混乱的情况，本文采用双余法，该算法具有响应快，可靠性高，具有良好的适应性及抗干扰能力； ( 3 )本设计中采用了速度快、功能强的tms320lf2407作为系统的主控芯片，应用该芯片完成系统的软硬件设计： ( 4 )本文对系统抗干扰的软硬件措施进行了重点研究； ( 5 )设计了具有模糊控制的全数字直流传动系统原理样机，并进行了试验验证，对试验过程中出现的问题及时解决，最终实验结果证明设计是可行的。
The microprocessor is used to realize digital control as flip plus of the scr . the ic chip sa866ae of mitel company is utilized as the low frequency signal generator of the system . furthermore in the zero - current detection circuit , use the photocoupler gaalas ired and photo ic to detect zero - current , furthest shorten the commutating " died region " , prevent the current from distorting 设计中采用单片机控制可控硅的触发脉冲，实现数字化控制，并利用mitel公司的三相pwm交流电机脉宽调制芯片sa866ae ，成功研制了交-交频器中的低频信号发生器装置，效果良好；此外利用用光电检测元件进行系统零电流的检测，尽可能地缩短换相死区，防止电流发生畸变，成功地解决了原有低频电源系统中存在的两大难题。
The controller takes full advantage of the features of ti tms3201f240xa processor , such as high performance processing capabilities , plenty of peripherals on chip and high real time control . by the vital of these features the fast ac sampling , synchronic pulse , digital shift phase trigger pulse , can bus communication , pid control method and excitation limitations are realized . the pretreatment of the switch signals and the test of the shift phase trigger pulses are realized by using the complex programmable device ( cpld ) 该励磁控制器充分发挥了tms3201f240xadsp处理器的强大的数据运算能力、丰富的片内外设资源和较强实时控制能力，用单片系统结构实现了快速交流采样，数字同步脉冲形成， can现场总线网络、以及pid控制算法和各种励磁限制等功能；用cpld器件实现了开关量抖动预处理和可控硅触发脉冲遗漏的检测，减轻了dsp处理器负担，提高了励磁控制器可靠性、抗干扰能力和控制能力；使用vc + + 6 . 0开发的基于windows操作系统的励磁系统调试软件，人机界面简洁友好，使用操作灵活方便。
Cpld software and the peripheral hardware designs are analyzed in detail . simulation - and experimental results verify the performance , the problems are analyzed as well . because it has the function of auto - adjusting of the pulse sequence , it improves the reliability of the system and it is a good snubber interface between regulator and main circuit 本文研究了以cpld和锁相环技术为核心的新型通用数字触发器，详细分析了cpld软件及其外围硬件电路的设计，用仿真与实验结果验证了该触发器的性能，并对存在的问题进行了分析，由于触发脉冲可以自动适应不同的输入电源相序，从而提高了系统工作的可靠性，在调节器与大功率主电路之间形成了一个很好的缓冲接口。
In the paper , on the basis of research of static state and transient state in the scr and series connection valve circuit , the high voltage scr changing current valve device has been developed for ac - dc - ac high voltage commutatorless motor . the series connection valve circuit has been designed and simulated . the hardware design and software programming of trigger pulse system and monitoring system in the photo - electronic - photo fashion has been completed 无换向器电动机在火电厂等工矿企业的电机调速节能领域中有十分广阔的应用前景，本文在对晶闸管元件和串联阀电路的静态特性和动态特性研究的基础上，研制了用于交直交电流型高压无换向器电动机的高压晶闸管换流阀装置，进行了串联阀电路的设计和仿真，完成了电光电方式的触发脉冲系统和监测系统硬件设计及软件编程，并进行了装置的实验调试。
