Method and apparatus for controlling motor-driven throttle...

Details Method and apparatus for controlling motor-driven throttle... Method and apparatus for controlling motor-driven throttle...

2007-07-10

2007-07-10

Solis, Erick (Department: 3747)

Internal-combustion engines

Engine speed regulator

Open loop condition responsive

Reexamination Certificate

active

11304789

ABSTRACT:
A method is provided for easily avoiding undesirable effects on various physical values due to the change in temperature of a motor for driving a throttle valve without causing secondary problems. A technique is also provided for measuring the temperature of the motor electrically. The method uses a compensation device for correcting the power supply to the motor by detecting the impedance of the motor windings and/or the change in the motor temperature. The temperature of the motor is estimated from the current and voltage to the motor.

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