Driving control device for actuator

Details Driving control device for actuator Driving control device for actuator

2006-04-04

2006-04-04

Martin, David (Department: 2837)

Electricity: motive power systems

Plural, diverse or diversely controlled electric motors

C318S062000, C318S063000, C318S059000, C318S060000, C318S054000, C318S055000, C318S056000, C318S599000, C318S801000

Reexamination Certificate

active

07023152

ABSTRACT:
A driving control device for an actuator comprises a driving device to drive an actuator having an electric motor (30) and a driving control device (50) to control the rotation of the electric motor (30) by controlling the driving device. The driving control device includes an H bridge circuit constructed by four switching semiconductor elements (Tr1to Tr4), and rotates the electric motor in normal and reverse directions by turning on and turning off the switching semiconductor elements (Tr1to Tr4). The driving control device (50) conducts to activate and to stop the electric motor (30) by applying a PWM signal to the switching semiconductor elements (Tr3and Tr4) constructing the lower arm of the H bridge circuit (51).

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