CONTROL DEVICE FOR AUTOMATIC TRANSMISSION

A controller (30) of an automatic transmission (13) can be set to be in a first control mode and a second control mode for controlling a transmission gear ratio (SR) of the automatic transmission (13). The controller (30) in the second control mode automatically changes the transmission gear ratio (...

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Bibliographische Detailangaben
Hauptverfasser:	KOBAYASHI NOBUFUSA, KITAORI ICHIRO, SHIIBA KAZUYUKI, KUWAHARA SEIJI, FUKUMASU TOSHIHIRO, YOSHIMURA ATSUSHI
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING 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 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 WEAPONS
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Beschreibung
Zusammenfassung:	A controller (30) of an automatic transmission (13) can be set to be in a first control mode and a second control mode for controlling a transmission gear ratio (SR) of the automatic transmission (13). The controller (30) in the second control mode automatically changes the transmission gear ratio (SR). The controller (30) obtains an index value and upper limit speed (Lim) of rotation speed (Nout) of a transmission output shaft. The controller (30) in the first control mode allows the transmission gear ratio (SR) to be changed when an operation member (22) is operated to increase the transmission gear ratio (SR) and the index value is equal to or lower than the upper limit speed (Lim). The controller (30) has a setting section (S13) that sets the upper limit speed (Lim). The setting section (S13) sets the upper limit speed (Lim) based on vehicle acceleration (AR) when the controller (30) is in the first control mode and the operation member (22) is operated to increase the transmission gear ratio (SR).