Servo motor drive control device for calculating consumed...

Electricity: motive power systems – Positional servo systems – With protective or reliability increasing features

Reexamination Certificate

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C318S558000, C318S625000

Reexamination Certificate

active

08040097

ABSTRACT:
A mechanical system includes a plurality of amplifier groups each having a common power source unit connected to a higher-level power source and a plurality of power supply units for supplying power to servo motors from the common power source unit. A servo motor drive control device of the mechanical system includes a plurality of amplifier group electric power detection units each determining an electric energy of the corresponding one of the amplifier groups. Each of the amplifier group electric power detection units totals individual periodic electric energy dEak of the servo motors connected to the power supply unit associated with the corresponding amplifier group thereby to determine an amplifier group periodic electric energy dEbg representing a consumed electric energy or a regenerated electric energy in the corresponding amplifier group and integrates the determined amplifier group periodic electric energy dEbg over a predetermined time length thereby to determine an amplifier group consumed electric energy Ebng.

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German Office Action for Application No. 10 2009 042 905.0-35, issued Dec. 7, 2010.
Notice of Reasons for Rejection for Japanese Application No. 2008-244364 issued May 11, 2010.

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