| 摘要 |
PURPOSE:To process signals with pulse signals without adjustments nor time lag of signal detection by outputting the detection signal of a resolver in the form of a pulse train signal with >=2 phases as a rotating speed signal and a position signal. CONSTITUTION:A signal converter 29 consists of an FF circuit 30 which inputs and divides a pulse signal EP1 of frequency K.f by two in terms of frequency to output a pulse train signal EX1, an FF circuit 31 which inputs and divides a pulse signal EP2 of frequency K(f+ or -DELTAf) by two in terms of frequency to ouput a pulse train signal EO1, and an exclusive logical circuit 32 which inputs the input signal EP1 and ouput signal EX1 of the D-FF circuit 30 and outputs a pulse train signal EY1 having the two-phase signal relation with the signal EX1. Namely, the signal converter 29 inputs the two pulse signals EP1 and EP2 and outputs the pulse train signals EX1, EY1, and EO1 obtained by dividing their frequencies by two. Consequently, the signal processing with the pulse signals without any signal detection time lag. |
