Electricity: motive power systems – Positional servo systems – Digital or numerical systems
Reexamination Certificate
2007-02-05
2008-12-02
Duda, Rina I (Department: 2837)
Electricity: motive power systems
Positional servo systems
Digital or numerical systems
C318S600000
Reexamination Certificate
active
07459872
ABSTRACT:
The present invention relates to an apparatus and method for generating digital electrical signals which are representative of the angular position and rotational velocity of a rotatable shaft or similar movable mechanical component in a servomechanism. In particular, the present invention utilizes oversampling techniques to create an accurate, flexible and responsive method for determining shaft position on a high speed motor. The present invention also includes methods for overcoming deadtime losses and velocity lag.
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Badzinski David J.
Shoemaker Jeffrey W.
Stocker Stephen M.
Walters Keith A.
Woodland Lane L.
BAE Systems Land & Armaments L.P.
Duda Rina I
Patterson Thuente Skaar & Christensen P.A.
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