Control system for electric actuator

Details Control system for electric actuator Control system for electric actuator

2007-11-20

2007-11-20

Donovan, Lincoln (Department: 2837)

Electricity: motive power systems

Automatic and/or with time-delay means

Movement, position, or limit-of-travel

C318S468000, C192S141000, C192S143000, C310S080000, C074S089000, C074S089230

Reexamination Certificate

active

11273343

ABSTRACT:
A driver comprises a direction-switching means which switches a rotation direction of a rotary driving source based on a direction instruction signal, a current amplifier/limiter which converts a voltage outputted from the direction-switching means into a corresponding current and which limits the current to a preset reference current IMAX(threshold value), a current sensor which detects the current supplied to the rotary driving source, and a current loop which feeds back a detection signal supplied from the current sensor to an upstream side of the current amplifier/limiter.

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