A control unit (40) performs, when a DC power source fails, the following controls in a power failure recovery process that is to determine whether to resume a normal control, which is a control when the DC power source is normal. [1] The normal control is resumed when an inverter input voltage recovers before a standby period elapses after a power failure time. A power source relay (31) is turned off when the standby period elapses without recovery of the voltage. [2] The power source relay (31) is turned on again when a power source relay off period has elapsed from a turn-off time. The normal control is resumed when the inverter input voltage recovers at the turn-on time. [3] The normal control is resumed when the inverter input voltage recovers before the power source relay on period elapses from the turn-on time. The power source relay (31) is turned off, and driving of the actuator (80) is stopped, when the power source relay on period passes without recovery of the voltage.
ACTUATOR DRIVING DEVICE AND STEERING SYSTEM PROVIDED WITH SAME
AKTUATORANSTEUERUNGSVORRICHTUNG UND LENKSYSTEM DAMIT
DISPOSITIF D'ENTRAÎNEMENT D'ACTIONNEUR ET SYSTÈME DE DIRECTION POURVU DE CELUI-CI
14.05.2025
Patent
Elektronische Ressource
Englisch
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