Speed change control system for vehicle
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United States of America Patent
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-
Sep 13, 2022
Grant Date -
Jul 16, 2020
app pub date -
Jan 13, 2020
filing date -
Jan 15, 2019
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A speed change control system for a vehicle configured to reduce uncomfortable feeling of a driver when shifting an operating mode via the fixed mode. When a required drive force to propel the vehicle is increased, a controller shifts the operating mode from a first continuously variable mode to a second continuously variable mode via a fixed mode. In this case, the controller increases an engine speed to a first target speed from a point when shifting from the fixed mode to the second continuously variable mode, and further increase the engine speed to a second target speed calculated based on the required drive force. In addition, the controller reduces the first target speed with an increase in at least any one of a first elapsed time and a second elapsed time.
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