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公开(公告)号：US20190047565A1
公开(公告)日：2019-02-14
申请号：US16058615
申请日：2018-08-08
发明人： Hisashi ISHIHARA , Takahiro KIMURA , Masato YOSHIKAWA , Nobufusa KOBAYASHI , Kenta KUMAZAKI , Kazuomi OKASAKA , Atsushi KAYUKAWA , Daisuke SUYAMA , Mitsuru MAEDA
IPC分类号： B60W30/18 , B60W10/08 , B60W10/115 , B60W20/00 , B60W30/19
摘要： A control apparatus for a vehicle includes a vehicle driving control portion configured to permit reverse driving of the vehicle in a reverse direction while the automatic transmission is placed in a forward-drive low-speed gear position, with the motor/generator being operated in a negative direction to generate a negative torque, and a transmission shifting control portion configured to implement a control for promotion to establish the forward-drive low-speed gear position, when switching from forward driving of the vehicle to its reverse driving of the vehicle is required in the process of a shifting action of the automatic transmission to the forward-drive low-speed gear position. The transmission shifting control portion implements the control for promotion to establish the forward-drive low-speed gear position, according to a state of control of the engaging-side coupling device to be brought into its engaged state for establishing the forward-drive low-speed gear position.
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公开(公告)号：US20190048999A1
公开(公告)日：2019-02-14
申请号：US16055311
申请日：2018-08-06
发明人： Shun SATO , Masato YOSHIKAWA , Nobufusa KOBAYASHI , Daisuke SUYAMA , Kazuomi OKASAKA , Atsushi KAYUKAWA , Mitsuru MAEDA
IPC分类号： F16H61/02 , F16H63/50 , F16H59/42 , F16H59/40 , F16H59/24 , F16H59/18 , F16H37/08 , B60W20/30 , B60W10/115 , B60W10/101 , B60W10/06 , B60K6/543 , B60K6/547
摘要： A control apparatus includes a shifting delay control portion configured to delay a moment of generation of a shift-down command to implement a power-on shift-down action of the step-variable transmission, with respect to a moment of determination to implement the power-on shift-down action, for thereby reducing a shifting shock of the step-variable transmission in the process of the power-on shift-down action. The shifting delay control portion adjusts a delay time from the moment of determination to implement the power-on shift-down action to the moment of generation of the shift-down command, on the basis of at least one of an output state of the drive power source; an inertia power required in the process of the power-on shift-down action; a consumption power to be consumed by the coupling devices; and a state of a battery to and from which an electric power is respectively supplied from and to the motor/generator.
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公开(公告)号：US20190061738A1
公开(公告)日：2019-02-28
申请号：US16119158
申请日：2018-08-31
发明人： Jun GOTO , Kenta KUMAZAKI , Kazuyuki SHIIBA , Tooru MATSUBARA , Masato YOSHIKAWA , Kazuomi OKASAKA , Atsushi KAYUKAWA , Daisuke SUYAMA , Mitsuru MAEDA
摘要： A vehicle control apparatus selects one of a power-on control and a power-off control for execution of a shift-down action in a transmission of a vehicle, and implements the selected power-on or power-off control. When a running speed of the vehicle is not lower than a predetermined value, the control apparatus selects one of the power-on control and the power-off control, based on a target input torque that is to be inputted to the transmission. When the vehicle running speed is lower than the predetermined value, the control apparatus selects one of the power-on control and the power-off control, based on an actual input torque that is actually inputted to the transmission.
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公开(公告)号：US20190032774A1
公开(公告)日：2019-01-31
申请号：US16050467
申请日：2018-07-31
发明人： Masato YOSHIKAWA , Nobufusa KOBAYASHI , Daisuke SUYAMA , Kazuomi OKASAKA , Atsushi KAYUKAWA , Mitsuru MAEDA
IPC分类号： F16H61/02 , F16H61/686 , B60W10/115 , B60W20/00 , B60K6/445
摘要： A control apparatus for a vehicle provided with a step-variable transmission which is disposed between drive wheels and a drive power source including at least an engine, and which is shifted by changing operating states of coupling devices, the control apparatus including an engine stability time estimating portion configured to estimate a length of stability time required for stabilization of an output state of the engine, when a determination to implement a power-on shift-down action of the step-variable transmission is made, and a control portion configured to delay a moment of generation of a shift-down command to implement the power-on shift-down action of the step-variable transmission, with respect to a moment of the determination to implement the power-on shift-down action, where the estimated length of stability time is longer than a predetermined value.
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