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:
May. 29, 2007
Filed:
Apr. 18, 2005
Toshikazu Kouno, Wako, JP;
Eijiro Shimabukuro, Wako, JP;
Yuji Yasui, Wako, JP;
Junya Tachikawa, Wako, JP;
Toshikazu Kouno, Wako, JP;
Eijiro Shimabukuro, Wako, JP;
Yuji Yasui, Wako, JP;
Junya Tachikawa, Wako, JP;
Honda Motor Co., Ltd., Tokyo, JP;
Abstract
A controller for a transmission capable of preventing an occurrence of a gear squeak caused by a malfunction of a synchronization mechanism. The voltage determination sectionperforms a shift operation of a transmission by determining a control input Vin to a shift motorso as to match an actual position Psc of a coupling sleevegrasped by an actual position grasping sectionwith a target position Psc_cmd of the coupling sleeveset by a target position setting section. After starting the shift operation of the transmission, it halts the shift operation by detecting a malfunction in the gear position where the shift operation is under execution when the actual position Psc of the coupling sleevehas reached a malfunction judgment position provided within a range from a balk point to a contact point between the coupling sleeveand an idle gearbefore a difference Esc between the actual position Psc and the target position Psc_cmd of the coupling sleeveexceeds a given contact judgment value.