In this paper , based on the above analysis , firstly a modeling for an improved modulation of psm ? fuzzy psm is built , and then , its ip core , the test circuit and some related sub - circuits for psoc are designed . this paper including five sections will be described as follows 由此,论文在psm调制模式的基础上,对psoc设计中的一种优化的psm调制模式? ?模糊跨周期调制模式( fpsm , fuzzypsm )进行了建模并设计了该ip核及测试电路,以及其它相关子电路的设计。
The paper synoptically and comprehensively introduces eddy current theory , equivalent circuit , excitation coils , test circuit and application of the eddy - current sensors . a feasible solution of motor core height control based on silicon steel sheet thickness measuring with double eddy - current sensors is presented 论文在系统全面的分析了电涡流传感器的基本原理、等效电路、激励线圈、测量电路及应用后,提出将双探头测厚系统应用于电机铁芯叠控制。
Initial recovery voltage and peak recovery voltage across the circuit - breaker have an essential affect on re - strike . for assessing performance of circuit - breaker , the higher inductance and lower inductance must be considered at the same time when testing according to theoretic analysis , the directly test circuit on switching the no - load overhead by high - voltage circuit breakers of rated voltage 252kv and below , in compliance with the correlative standard jb5871 and the test devices , and the test circuit parameters have been calculated and the many testes have been carried out 在理论分析的基础上,考虑实验室现有设备的情况依据标准jb5871的规定,选用合适的试验设备,对试验线路的参数进行计算,在实验室建立了252kv及以下电压等级断路器开合线路充电电流直接试验线路,利用该线路进行了数台产品的试验,分析了试验结果,并根据试验结果和理论基础讨论了gb t1984 - 200 《交流高压断路器》 (报批稿)关于开合线路充电电流试验的有关规定。
The action of current tracking control circuit is : 1 ) the instantaneous reactive current yield the instruction current of the compensating current according to the reactive current testing circuit got , 2 ) according to the interrelationship of the instruction current and the real compensating current , yields pwm ' s control signal controlling each units of main circuit ducting , the result of controlling pledges the compensation current following the tracks of his instruction current ' s change 电流跟踪控制电路的作用是: 1 )根据无功电流检测电路得到的瞬时无功电流得出补偿电流的指令电流, 2 )根据补偿电流的指令电流和实际补偿电流之间的相互关系,得出控制主电路各个器件通断的pwm控制信号,控制的结果保证补偿电流跟踪其指令电流的变化。主电路的作用是根据电流跟踪控制电路输出的控制指令,产生实际的补偿电流。