| 摘要 |
A voltage control system for a vehicular power generator includes a receiver unit that receives voltage pulse signals indicating characteristics of the voltage control system from an external device with stability. The device periodically reads two cycles of leading edges or trailing edges, or two periods of high level pulses or low level pulses. When a difference between the two cycles or periods is within a predetermined range, the indicated value of the present voltage pulse signal is used to control the power generator. When the difference is out of the predetermined range, the indicated value of the stored previous pulse signal is used instead.
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