| 摘要 |
PURPOSE:To provide a magnetic pole position detector for a servomotor with a quick operation speed. CONSTITUTION:The title magnetic pole position detector for servomotor has a position counter 7 which counts the pulses from an encorder connected to a motor, a CS(Commutation Sensor) signal processing part 6 which detects the rise or fall of a CS signal, an electric angle calculating part 5 which finds an electric angle by a counter which sums up the differences of the values of a counter with a period of an encorder pulse number corresponding to a period of the CS signal synchronized with the CS signal, and a sine-wave forming part 4 which forms a sine wave on the basis of the electric angle value found there. |
