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. 09, 2011
Filed:
Jun. 04, 2008
Kazunori Watanabe, Saitama, JP;
Dai Saitoh, Saitama, JP;
Hisayoshi Takahashi, Saitama, JP;
Kazuo Kotaka, Saitama, JP;
Kazunori Watanabe, Saitama, JP;
Dai Saitoh, Saitama, JP;
Hisayoshi Takahashi, Saitama, JP;
Kazuo Kotaka, Saitama, JP;
Honda Motor Co., Ltd., Tokyo, JP;
Abstract
The object of the present invention is provide a drive control system of an electric vehicle that can prevent overshoot of the amount of slip. The drive control system of the electric vehicle includes: a motor to drive a driving wheel; a PDU; a number-of-revolution sensor that detects the number of revolutions of the motor; a grip number of revolutions calculating device for calculating the current grip number of revolutions of the motor; a motor power limiting value calculating portion and a conversion portion that determines the limiting torque value of the motor; and a driving torque determining portion that determines the driving torque of the motor.