Open loop motor parking method and system

Details Open loop motor parking method and system Open loop motor parking method and system

2006-12-05

2006-12-05

Donovan, Lincoln (Department: 2837)

Electricity: motive power systems

Open-loop stepping motor control systems

C318S650000, C318S685000, C116S028100, C116S062100, C116S062200, C116S062300

Reexamination Certificate

active

07145309

ABSTRACT:
Provided herewith is an improved scheme for parking a load such as an indicator pointer and calibrating its position in a system for controlling the position of the load. The system also has a stopper for physically impeding the load when it is to be parked. In one embodiment, a parking method involves driving the motor in a reduced torque mode to move the load toward the stopper, stopping the load at the stopper while the motor is driven in the reduced torque mode, and maintaining the motor in a reduced torque mode until transitioning to an insignificant torque mode.

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