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. 15, 2019
Filed:
Aug. 23, 2017
Meidensha Corporation, Tokyo, JP;
Masayasu Kanke, Tokyo, JP;
Masami Nishihara, Tokyo, JP;
MEIDENSHA CORPORATION, Tokyo, JP;
Abstract
The purpose of the present invention is to provide a drive train testing system whereby torque fluctuation in a real engine can be reproduced with good precision. A drive train testing system is provided with an input-side dynamometer connected to an input shaft WI of a test piece W which is a vehicle drive train, a torque command generation device for generating a torque command signal for causing a torque resembling that of a vehicle engine to be generated by the input-side dynamometer, and a rotation detector for detecting a motor machine angle corresponding to an absolute position from a reference position of a rotary shaft of the input-side dynamometer. Using the motor machine angle detected by the rotation detector, the torque command generation device generates a torque command signal fluctuating in synchrony with a signal having a period that is a predetermined degree multiple of the motor machine angle.