Method of controlling movable member driven by electric motor

Details Method of controlling movable member driven by electric motor Method of controlling movable member driven by electric motor

2008-03-18

2008-03-18

Masih, Karen (Department: 2837)

Electricity: motive power systems

Automatic and/or with time-delay means

Movement, position, or limit-of-travel

C318S611000, C318S636000, C318S629000

Reexamination Certificate

active

11277784

ABSTRACT:
Method of controlling a movable member driven by an electric motor by monitoring current circulating through the electric current and ripples therein. The method including detecting current peaks and count the number of current peaks falling within sampling windows such that the number of current peaks falling within the sampling windows are used to determine an angular position of the electric motor for use in facilitating the control thereof.

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Great Britain Search Report, mailed May 30, 2007, 5 pages.

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