Control device for vehicle

• Main Authors: O'NEILL JESSE, ODA NAOCHIKA, NAGATO TOMOHIRO
• Format: Patent
• Language: English
• Published: 31.03.2015
• Subjects: BLASTING; CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE ORDIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ENGINEERING ELEMENTS AND UNITS; GEARING; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; HEATING; LIGHTING; MECHANICAL ENGINEERING; PERFORMING OPERATIONS; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TOTHE CONTROL OF A PARTICULAR SUB-UNIT; TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION; TECHNICAL SUBJECTS COVERED BY FORMER USPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS; THERMAL INSULATION IN GENERAL; TRANSPORTING; VEHICLES IN GENERAL; WEAPONS

The control device comprises an upshifting prohibiting portion for prohibiting the upshifting of the plurality of speed change stages, an engine rotation speed maintaining portion for maintaining an engine rotation speed to a predetermined rotation speed, an engine maximum torque value recording portion for recording a maximum torque value of the engine and an upshifting prohibition releasing portion for releasing an upshifting prohibition by the upshifting prohibiting portion when a differential torque value which is a difference between the maximum torque value of the engine recorded by the engine maximum torque value recording portion and a current engine torque value is greater than a predetermined torque value when the upshifting of the plurality of speed change stages is prohibited by the upshifting prohibiting portion.