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:
Dec. 08, 2015
Filed:
Dec. 07, 2012
Meidensha Corporation, Tokyo, JP;
Masayasu Kanke, Tokyo, JP;
Takao Akiyama, Tokyo, JP;
MEIDENSHA CORPORATION, Tokyo, JP;
Abstract
The present invention provides a drive-train testing system that is capable of generating a large drive torque without increasing the size of a motor that simulates an engine. The drive-train testing system inputs a drive torque, which is generated according to a torque command which contains an alternating-current component having an excitation frequency, to an input shaft of a workpiece in order to evaluate the performance of said workpiece. This system is equipped with a first motor, a second motor, a torque meter for detecting a torque which acts upon the shaft between the workpiece and the second motor, and a resonance suppression circuit that divides the torque command into a first torque command and a second torque command so as to suppress torsional resonance on the basis of a value detected by the torque meter.