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    VEHICLE AND CONTROL METHOD OF THE SAME
    1.
    发明申请
    VEHICLE AND CONTROL METHOD OF THE SAME 有权

    公开(公告)号：US20210039622A1

    公开(公告)日：2021-02-11

    申请号：US16985678

    申请日：2020-08-05

    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA

    Inventor： Atsushi TABATA ,  Koichi OKUDA ,  Tooru MATSUBARA ,  Yuuki MAKINO ,  Keisuke OMURO

    IPC: B60W10/12 ,  B60R16/023

    Abstract: A vehicle includes driving wheels, driven wheels, a drive device connected to a drive shaft, a drive force distribution device, and an electronic control unit configured to execute a moderate change process on a required torque required for the drive shaft to set a target torque to be output to the drive shaft when the torque output to the drive shaft changes and crosses a value of zero. The electronic control unit is configured to control the drive device such that the target torque is output to the drive shaft, and set the target torque such that a change in the target torque with respect to a change in the required torque is more moderate when the driving side distribution ratio is small compared with the change in the target torque with respect to the change in the required torque when the driving side distribution ratio is large.

    CONTROL DEVICE FOR HYBRID VEHICLE
    2.
    发明申请
    CONTROL DEVICE FOR HYBRID VEHICLE 有权

    公开(公告)号：US20210031747A1

    公开(公告)日：2021-02-04

    申请号：US16934469

    申请日：2020-07-21

    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA

    Inventor： Atsushi TABATA ,  Koichi OKUDA ,  Tooru MATSUBARA ,  Yasuhiro HIASA ,  Yasutaka TSUCHIDA

    IPC: B60W20/15 ,  B60W30/188 ,  B60W10/10 ,  B60W10/06

    Abstract: When an acceleration request is issued, an electronic control unit for a hybrid vehicle performs control for producing an acceleration feeling of setting a target engine rotation speed to an initial rotation speed (=basic initial value+initial value correction value) which is lower than an optimal-fuel-efficiency rotation speed at which required engine power is able to be most efficiently output and increasing the engine rotation speed from the initial rotation speed to the optimal-fuel-efficiency rotation speed at a rotation speed increase rate (=basic increase rate+increase rate correction value) based on the elapse of time. When the target supercharging pressure is high, the initial value correction value is set to a greater value and the increase rate correction value is set to a greater value than when the target supercharging pressure is low.

    CONTROLLER AND CONTROL METHOD FOR VEHICLE
    3.
    发明申请
    CONTROLLER AND CONTROL METHOD FOR VEHICLE 有权

    公开(公告)号：US20210025346A1

    公开(公告)日：2021-01-28

    申请号：US16934073

    申请日：2020-07-21

    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA

    Inventor： Atsushi TABATA ,  Koichi OKUDA ,  Tooru MATSUBARA ,  Hiromasa TATSUSHIRO ,  Kenta KUMAZAKI

    IPC: F02D41/24 ,  F02D41/02

    Abstract: A controller and a control method for a vehicle including an engine with a supercharger and an automatic transmission provided in a power transmission path between the engine and driving wheels are provided. The controller is configured to perform learning control of learning a command value associated with gear shifting of the automatic transmission. The controller is configured to limit a supercharging pressure of the supercharger when the automatic transmission is performing gear shifting to be equal to or less than a predetermined pressure until initial learning which is performed by the learning control unit in a predetermined period after the vehicle has been manufactured is completed.

    CONTROL DEVICE FOR HYBRID VEHICLE
    9.
    发明申请
    CONTROL DEVICE FOR HYBRID VEHICLE 有权

    公开(公告)号：US20210086747A1

    公开(公告)日：2021-03-25

    申请号：US16924132

    申请日：2020-07-08

    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA

    Inventor： Atsushi TABATA ,  Koichi OKUDA ,  Tooru MATSUBARA ,  Takashi KOHNO ,  Yasutaka TSUCHIDA

    IPC: B60W20/13 ,  B60W10/08 ,  B60W20/20

    Abstract: Since a maximum rotation speed is set to a lower value when a supercharging pressure from a supercharger is high than when the supercharging pressure is low, an engine torque is decreased at a relatively low engine rotation speed and the engine rotation speed is less likely to fall into a high-rotation state. Since the maximum rotation speed is set to a relatively high value when the supercharging pressure is relatively low and the engine rotation speed is less likely to fall into a high-rotation state, the engine torque is not decreased at a relatively high engine rotation speed and power performance can be easily secured. Accordingly, it is possible to curb a decrease in power performance due to a decrease in the engine torque and to prevent the engine rotation speed from falling into a high-rotation state.

    CONTROL DEVICE FOR HYBRID VEHICLE
    10.
    发明申请
    CONTROL DEVICE FOR HYBRID VEHICLE 有权

    公开(公告)号：US20210039628A1

    公开(公告)日：2021-02-11

    申请号：US16925929

    申请日：2020-07-10

    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA

    Inventor： Atsushi TABATA ,  Koichi OKUDA ,  Tooru MATSUBARA ,  Yasuhiro HIASA ,  Yasutaka TSUCHIDA

    IPC: B60W20/15 ,  B60W10/06 ,  B60W10/08

    Abstract: A control device for a hybrid vehicle includes: a drive control unit that calculates required drive power which is required for a hybrid vehicle based on an accelerator opening when an accelerator return operation is performed, calculates a target engine output which changes slowly with respect to a required engine output for realizing the required drive power through slow change processing, and controls an engine, a first rotary machine, and a second rotary machine such that an engine output reaches the target engine output; and a smoothing rate setting unit that changes a smoothing rate which is used for the slow change processing based on a supercharging pressure and sets the smoothing rate to a smaller value when the supercharging pressure is high than when the supercharging pressure is low.

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