Invention Grant
- Patent Title: Vehicle gear-shifting control apparatus
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Application No.: US18190010Application Date: 2023-03-24
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Publication No.: US11834028B2Publication Date: 2023-12-05
- Inventor: Makoto Yamada , Tooru Uematsu , Atsushi Yamasaki
- Applicant: Mazda Motor Corporation
- Applicant Address: JP Hiroshima
- Assignee: Mazda Motor Corporation
- Current Assignee: Mazda Motor Corporation
- Current Assignee Address: JP Hiroshima
- Agency: Alleman Hall Creasman & Tuttle LLP
- Priority: JP 22062882 2022.04.05
- Main IPC: B60W30/18
- IPC: B60W30/18 ; B60W10/11 ; B60K6/48 ; B60K6/547 ; B60W40/114 ; B60W10/188

Abstract:
A vehicle gear-shifting control apparatus is equipped with an engine, a motor, an automatic transmission, a friction brake system, and a controller which executes, during deceleration during which the friction brake system is distributing a braking force to front and rear wheels, a regeneration control of imparting a regenerative braking torque to the rear wheels and a gear-shifting control of changing a shift stage of the automatic transmission by outputting a gear-shifting signal in accordance with the rotation speed of an input shaft to the transmission. When the controller determines an oversteered state of the vehicle during the regeneration control, the controller increases an input torque of the input shaft so that the regenerative braking torque decreases while maintaining the regeneration operation of the motor and, at the same time, interrupts motive power transmission between the input shaft and an output shaft of the transmission.
Public/Granted literature
- US20230311842A1 VEHICLE GEAR-SHIFTING CONTROL APPARATUS Public/Granted day:2023-10-05
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