CONTROL METHOD AND CONTROL DEVICE FOR GEAR CHANGE MECHANISM

CONTROL METHOD AND CONTROL DEVICE FOR GEAR CHANGE MECHANISM

To reduce the time required for lockup engagement to be completed, in a travel scenario in which simultaneous execution of lockup engagement and upshift is required. A vehicle comprises an engine as a drive source and a continuously variable transmission (6) provided with a torque converter (4) havi...

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1. Verfasser: TOHTA, YUZURU
Format: Patent
Sprache:eng
Schlagworte:
BLASTING
ENGINEERING ELEMENTS AND UNITS
GEARING
GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS
HEATING
LIGHTING
MECHANICAL ENGINEERING
THERMAL INSULATION IN GENERAL
WEAPONS
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description To reduce the time required for lockup engagement to be completed, in a travel scenario in which simultaneous execution of lockup engagement and upshift is required. A vehicle comprises an engine as a drive source and a continuously variable transmission (6) provided with a torque converter (4) having a lockup clutch (3). In this engine-equipped vehicle, when simultaneous execution of an upshift of the continuously variable transmission (6) and a lockup engagement of the lockup clutch (3) is required in accordance with an accelerator depression operation, the LU engagement control of the lockup clutch (3) is started in accordance with an LU engagement request. On the other hand, the upshift control using the continuously variable transmission (6) places the starting of the control with respect to the upshift request on standby and cancels the standby when the LU engagement control of the lockup clutch (3) enters a lockup engagement completion region and starts the upshift control (delayed control). Fig. 4
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A vehicle comprises an engine as a drive source and a continuously variable transmission (6) provided with a torque converter (4) having a lockup clutch (3). In this engine-equipped vehicle, when simultaneous execution of an upshift of the continuously variable transmission (6) and a lockup engagement of the lockup clutch (3) is required in accordance with an accelerator depression operation, the LU engagement control of the lockup clutch (3) is started in accordance with an LU engagement request. On the other hand, the upshift control using the continuously variable transmission (6) places the starting of the control with respect to the upshift request on standby and cancels the standby when the LU engagement control of the lockup clutch (3) enters a lockup engagement completion region and starts the upshift control (delayed control). 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subjects BLASTING
ENGINEERING ELEMENTS AND UNITS
GEARING
GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS
HEATING
LIGHTING
MECHANICAL ENGINEERING
THERMAL INSULATION IN GENERAL
WEAPONS
title CONTROL METHOD AND CONTROL DEVICE FOR GEAR CHANGE MECHANISM
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