Shift control apparatus for automatic transmission

A shift control apparatus for an automatic transmission having an automatic shift mode for performing a shift operation by determining a gear position or gear ratio to be set according to a vehicle running condition and a manual shift mode for performing a shift operation instructed by a manual oper...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	SAITO MASAHIDE, OHASHI TATSUYUKI, KOKUBO YOSHIYUKI, SAITO YOSHIHARU
Format:	Patent
Sprache:	eng
Schlagworte:	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
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Beschreibung
Zusammenfassung:	A shift control apparatus for an automatic transmission having an automatic shift mode for performing a shift operation by determining a gear position or gear ratio to be set according to a vehicle running condition and a manual shift mode for performing a shift operation instructed by a manual operation by an operator. The shift control apparatus includes a region determining unit for determining whether the present running condition is in a first region where downshift is performed at the present gear position or gear ratio in the automatic shift mode or in a second region higher in vehicle speed than the first region, and an upshift allowing unit for allowing upshift instructed by the manual operation by the operator in the manual shift mode when the region determining unit has determined that the present running condition is in the second region.