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    Shift control method for vehicle with DCT
    51.
    发明授权
    Shift control method for vehicle with DCT 有权

    公开(公告)号：US10800421B2

    公开(公告)日：2020-10-13

    申请号：US16512783

    申请日：2019-07-16

    申请人： Hyundai Motor Company ,  Kia Motors Corporation

    发明人： Sung Hyun Cho ,  Hwan Hur

    IPC分类号： B60W30/19 ,  B60W10/02 ,  B60W10/06 ,  B60W10/113 ,  F16H61/04 ,  F16H61/682

    摘要： A shift control method for a vehicle with a double clutch transmission (DCT) is configured such that when a power-on upshift is initiated, during a target time for a controller to perform a torque phase, a release-side clutch is gradually released, an engine torque is gradually increased to a basic engine torque or more, and an engagement-side clutch torque is increased according to an increase in the engine torque and a vehicle speed; and when the release-side clutch is completely released, the controller reduces the engine torque while gradually reducing the engagement-side clutch torque to be equal to the basic engine torque, to perform an inertia phase such that an engine speed is synchronized with an engagement-side clutch speed.

    Shifting control method for vehicle with dual clutch transmission
    52.
    发明授权
    Shifting control method for vehicle with dual clutch transmission 有权

    公开(公告)号：US10589744B2

    公开(公告)日：2020-03-17

    申请号：US16009563

    申请日：2018-06-15

    申请人： Hyundai Motor Company ,  Kia Motors Corp.

    发明人： Sung Hyun Cho

    IPC分类号： B60W30/18 ,  B60W10/02 ,  B60W10/06 ,  B60W10/113 ,  B60W30/19

    摘要： A shifting control method for a vehicle with a dual clutch transmission (DCT), the shifting control method may include controlling engine torque to be increased according to reserve demand torque by giving the reserve demand torque of an engine to be increased to a predetermined value or more when if a controller determines that the vehicle enters a manual power off and downshift shifting; controlling, by the controller, a release side clutch to be released; controlling, by the controller, an engine torque to perform a control so that engine speed follows coupling side input shaft speed; and completing the shifting by performing a control so that a coupling side clutch is coupled when it is determined that the actual shift is completed.

    CONTROL METHOD FOR VEHICLE WITH DCT
    53.
    发明申请
    CONTROL METHOD FOR VEHICLE WITH DCT 审中-公开

    公开(公告)号：US20190257420A1

    公开(公告)日：2019-08-22

    申请号：US16054837

    申请日：2018-08-03

    申请人： Hyundai Motor Company ,  Kia Motors Corp.

    发明人： Sung Hyun Cho ,  Seong Hwan Cheong

    IPC分类号： F16H61/688 ,  F16H61/12 ,  B60W10/02 ,  B60W10/06 ,  B60W10/113 ,  B60W20/00

    摘要： A control method for a vehicle with a Dual Clutch Transmission (DCT) may include: determining whether it is a wheel speed-unknown state by a TCU, determining whether an input shaft speed sensor is in a normal state when it is the wheel speed-unknown state, determining whether IG-OFF occurs when it is the wheel speed-unknown state and the input shaft speed sensor IS for is in a normal state, storing information related to the current wheel speed-unknown state and an output shaft speed of the DCT determined by the input shaft speed sensor, determining whether the TCU is not in TCU latch-off and whether it was the wheel speed-unknown state immediately before IG-OFF on the basis of the stored data, when IG-ON occurs, and performing pre-engaging on the basis of the DCT output shaft speed stored immediately after IG-OFF, when the TCU is not in latch-off and it was the wheel speed-unknown state immediately before IG-OFF.

    SHIFTING CONTROL METHOD FOR VEHICLE WITH DUAL CLUTCH TRANSMISSION
    54.
    发明申请
    SHIFTING CONTROL METHOD FOR VEHICLE WITH DUAL CLUTCH TRANSMISSION 审中-公开

    公开(公告)号：US20190248371A1

    公开(公告)日：2019-08-15

    申请号：US16009563

    申请日：2018-06-15

    申请人： Hyundai Motor Company ,  Kia Motors Corp.

    发明人： Sung Hyun Cho

    IPC分类号： B60W30/18 ,  B60W10/02 ,  B60W10/06 ,  B60W10/113 ,  B60W30/19

    摘要： A shifting control method for a vehicle with a dual clutch transmission (DCT), the shifting control method may include controlling engine torque to be increased according to reserve demand torque by giving the reserve demand torque of an engine to be increased to a predetermined value or more when if a controller determines that the vehicle enters a manual power off and downshift shifting; controlling, by the controller, a release side clutch to be released; controlling, by the controller, an engine torque to perform a control so that engine speed follows coupling side input shaft speed; and completing the shifting by performing a control so that a coupling side clutch is coupled when it is determined that the actual shift is completed.

    Shifting control method for vehicles with dual clutch transmission
    55.
    发明授权
    Shifting control method for vehicles with dual clutch transmission 有权

    公开(公告)号：US10316957B2

    公开(公告)日：2019-06-11

    申请号：US15637662

    申请日：2017-06-29

    申请人： HYUNDAI MOTOR COMPANY ,  KIA MOTORS CORPORATION

    发明人： Sung Hyun Cho ,  Sang Mo Ha

    IPC分类号： B60W10/02 ,  B60W10/06 ,  B60W10/113 ,  F16H59/56 ,  F16H61/02 ,  F16H61/12 ,  F16H61/688 ,  F16H59/20 ,  F16H61/04 ,  F16H59/18 ,  F16H63/50

    摘要： A vehicle is equipped with a dual clutch transmission controlled by a shifting control method to achieve quick shifting and direct engaging through quick synchronous control of the rotational speed of an engine and cooperative control of engine torque when a driver intends to rapidly accelerate the vehicle while shifting. The method includes: a rapid acceleration determining step in which a controller determines whether the vehicle is rapidly accelerated based on an output value according to a driving state of the vehicle until a torque handover period is entered, when shifting is started; and an interlocking step of controlling the engagement clutch torque over a predetermined desired engagement clutch torque to cause interlocking based on a torque value determined in accordance with a rapid acceleration level determined in the torque handover period, when the controller determines that the vehicle is rapidly accelerated.

    Method for controlling clutch for vehicle
    56.
    发明授权
    Method for controlling clutch for vehicle 有权

    公开(公告)号：US10274028B2

    公开(公告)日：2019-04-30

    申请号：US15826050

    申请日：2017-11-29

    申请人： HYUNDAI MOTOR COMPANY ,  KIA MOTORS CORPORATION

    发明人： Sung Hyun Cho

    IPC分类号： F16D48/06

    摘要： The present disclosure is configured to include a slip entry determining step of determining, by a controller, whether a driver in a full-lock control releases an accelerator pedal to thereby enter into a micro-slip control; a monitoring step of monitoring, by the controller, whether the release of the clutch occurs, in case of entering into the micro-slip control as a result of performing the slip entry determining step; a control amount adjusting step of resetting a feedback amount of a clutch control torque in the case that the release of the clutch occurs; and a clutch control step of controlling the clutch according to the clutch control torque as reset by the control amount adjusting step to thereby prevent or minimize the release of the clutch.

    Clutch torque control method for DCT vehicle
    57.
    发明授权
    Clutch torque control method for DCT vehicle 有权

    公开(公告)号：US10167952B2

    公开(公告)日：2019-01-01

    申请号：US15354503

    申请日：2016-11-17

    申请人： Hyundai Motor Company ,  Kia Motors Corp.

    发明人： Sung Hyun Cho ,  Joung Chul Kim

    IPC分类号： F16H61/688 ,  F16D48/06 ,  F16H59/20 ,  F16H59/42 ,  F16H59/36

    摘要： A clutch torque control method for a dual clutch transmission (DCT) vehicle may include a shift initiation determining step of determining whether power-on downshift in which a driver steps on an accelerator pedal to change a current shift stage to a lower shift stage is initiated, and a torque correcting step of correcting basic control torque according to torque-stroke (TS) curve characteristics for controlling a disengagement-side clutch within a real shift range in which a number of rotations of an engine is changed with observer torque calculated by a torque observer when the power-on downshift is initiated, and determining the corrected basic control torque into control torque of the disengagement-side clutch.