The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 24, 2021
Filed:
Dec. 20, 2017
Mitsubishi Electric Corporation, Tokyo, JP;
MITSUBISHI ELECTRIC CORPORATION, Tokyo, JP;
Abstract
Provided is an electric motor control device including: a speed controller configured to calculate an operation amount directed to an electric motor, and output the operation amount; a first filter configured to use the operation amount as an input to calculate a first correction amount in accordance with a first transfer function from the operation amount to the first correction amount, and output the first correction amount; a second filter configured to use a rotational speed as an input to calculate a second correction amount in accordance with the second transfer function from the rotational speed to the second correction amount, and output the second correction amount; and a control command calculator configured to add the first correction amount and the second correction amount to one another, to thereby calculate a control command, and output the control command.