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:
Oct. 30, 2018
Filed:
Oct. 23, 2013
Mitsubishi Electric Corporation, Tokyo, JP;
Yasufumi Ogawa, Tokyo, JP;
Mitsubishi Electric Corporation, Tokyo, JP;
Abstract
A second upper-lower limit clipping unit performs an upper-lower limit clipping with an upper limit torque greater than that of a first upper-lower limit clipping unit, with respect to a value obtained by executing torque ripple correction by subtracting a torque ripple correction amount calculated by a torque ripple correction amount calculation unit, from a torque command subjected to the upper-lower limit clipping by the first upper-lower limit clipping unit. A carrier frequency correction amount calculation unit calculates a carrier frequency correction amount for correcting a carrier frequency of a power converter for driving the motor, in order to reduce losses in the power converter which have been increased by the execution of the torque ripple correction.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile