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:
Jun. 07, 2011
Filed:
Jun. 12, 2008
Shiho Izumi, Hitachinaka, JP;
Satoru Kaneko, Naka, JP;
Hideki Miyazaki, Hitachi, JP;
Yutaka Takaku, Mito, JP;
Shiho Izumi, Hitachinaka, JP;
Satoru Kaneko, Naka, JP;
Hideki Miyazaki, Hitachi, JP;
Yutaka Takaku, Mito, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
A control apparatus for controlling a rotational electric machine and a driving apparatus for a vehicle that includes an AC motor that rotates wheels and is driven by a power supplied from a battery, an instant variation detecting unit provided in a motor controller that detects a instantaneous variation of a current or voltage of the battery, and a current command operating unit that changes a current command signal for current to be sent to the AC motor, such that an internal loss of the AC motor is increased, by using an internal-loss-increase-use Id·Iq table.