Electric motor control device

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United States of America Patent

PATENT NO 10038399
SERIAL NO

15547604

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Abstract

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A motor-control device includes: a command generation unit; an operation detection unit; a drive control unit outputting a drive control signal, a speed signal, and a drive force signal; a current control unit outputting a drive current and the drive current detection value; a mechanical characteristic estimation unit outputting a mechanical characteristic estimation value; an integration unit outputting an integrated drive time or drive amount integrated value of a drive unit; a set period determination unit outputting a signal indicating a set period for a mechanical characteristic permissible threshold output unit; a mechanical characteristic permissible threshold output unit outputting a mechanical characteristic permissible threshold; and a mechanical characteristic abnormality detection unit detecting a mechanical characteristic abnormality.

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Patent Owner(s)

Patent OwnerAddress
MITSUBISHI ELECTRIC CORPORATION7-3 MARUNOUCHI 2-CHOME CHIYODA-KU TOKYO 1008310 ?1008310

International Classification(s)

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  • 2015 Application Filing Year
  • H02P Class
  • 1367 Applications Filed
  • 1133 Patents Issued To-Date
  • 82.89 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances20152016201720182019202020212022202320240255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Igarashi, Yuji Tokyo, JP 34 245
Ikeda, Hidetoshi Tokyo, JP 73 681
Sekiguchi, Hiroyuki Tokyo, JP 71 1406

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Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges155467521631101 - 1011 - 2021 - 3031 - 4041 - 5051 - 600255075100125150175200225250275300325350375400425450475500

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