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    METHOD AND ARRANGEMENT FOR DETERMINING THE MOVEMENT STATE OF A RAIL VEHICLE WHEEL
    2.
    发明公开
    METHOD AND ARRANGEMENT FOR DETERMINING THE MOVEMENT STATE OF A RAIL VEHICLE WHEEL 失效

    公开(公告)号：US20240227883A9

    公开(公告)日：2024-07-11

    申请号：US18556717

    申请日：2022-03-28

    申请人： Siemens Mobility GmbH

    发明人： Bernhard Kneidinger ,  Gerhard Schandl ,  Vladimir Stojanovic

    IPC分类号： B61L15/00 ,  B60L3/10

    CPC分类号： B61L15/0081 ,  B60L3/102 ,  B60L2200/26

    摘要： A method for determining the movement state of a rail vehicle wheel relative to the rail traversed by the wheel includes capturing successive images of a wheel-rail region using a camera focused on the wheel-rail region. The wheel-rail region contains at least one wheel sub-region and at least one rail sub-region traversed by the wheel. A region along which the sub-regions of the wheel and the rail contact each other is ascertained in the images. Characteristic points are ascertained in the rail and wheel sub-regions of a first image. The characteristic points are uniquely optically recognizable in the first and successive images. Respective distances from the characteristic points to the contact region are determined for successive images, and the movement state of the wheel is determined from a change in distance from the characteristic points to the contact region resulting over the successive images.

    TRACTION CONTROL METHOD FOR VEHICLE
    3.
    发明公开
    TRACTION CONTROL METHOD FOR VEHICLE 审中-公开

    公开(公告)号：US20240198804A1

    公开(公告)日：2024-06-20

    申请号：US18204160

    申请日：2023-05-31

    申请人： Hyundai Motor Company ,  Kia Corporation

    发明人： Ye Ahn YOON

    IPC分类号： B60L3/10

    CPC分类号： B60L3/106 ,  B60L2240/423 ,  B60L2240/461 ,  B60L2240/465 ,  B60L2250/26

    摘要： A traction control method for a vehicle provided with a torque vectoring motor includes determining entry of traction control based on real-time vehicle driving information, estimating a wheel speed based on the rotation speed of a driving system of the vehicle or a vehicle acceleration detected by an acceleration sensor in the state in which traction control is entered and determining a slipping wheel target speed based on the estimated wheel speed, determining a wheel speed error based on the determined slipping wheel target speed and a slipping wheel actual speed detected by a wheel speed sensor and determining motor-based wheel speed errors based on the wheel speed error, and determining motor traction control torque to control each of a driving motor for driving the vehicle and the torque vectoring motor based on the determined motor-based wheel speed errors and requested torque of a driver.

    Control Device for Operating a Road-Coupled All-Wheel Drive Vehicle
    4.
    发明公开
    Control Device for Operating a Road-Coupled All-Wheel Drive Vehicle 审中-公开

    公开(公告)号：US20240190263A1

    公开(公告)日：2024-06-13

    申请号：US18288046

    申请日：2022-04-06

    申请人： Bayerische Motoren Werke Aktiengesellschaft

    发明人： Thomas EBERL ,  Florian SCHNAPPAUF

    IPC分类号： B60L15/20 ,  B60L3/00 ,  B60L3/10

    CPC分类号： B60L15/2036 ,  B60L3/0061 ,  B60L3/10 ,  B60L2240/423 ,  B60L2240/425 ,  B60L2250/26

    摘要： A control device for operating a road-coupled all-wheel drive vehicle, includes at least one electronic control unit, at least one first electric drive motor as a primary motor assigned to a primary axle and at least one second electric drive motor as a secondary motor assigned to a secondary axle. The control unit has a torque-limiting module which, if an expected change of the all-wheel drive factor is detected which can lead to a transition from single-axle operation to dual-axle operation on the basis of a defined signal that runs ahead the filtered driver's request signal, the torque limits for the individual target torques of the electric drive motors can be preset in a sudden manner according to the predetermined changed all-wheel drive factor before the individual target torques per se are set.

    SYSTEM AND METHOD IN DATA-DRIVEN VEHICLE DYNAMIC MODELING FOR PATH-PLANNING AND CONTROL
    9.
    发明申请
    SYSTEM AND METHOD IN DATA-DRIVEN VEHICLE DYNAMIC MODELING FOR PATH-PLANNING AND CONTROL 有权

    公开(公告)号：US20230021802A1

    公开(公告)日：2023-01-26

    申请号：US17305702

    申请日：2021-07-13

    申请人： Canoo Technologies Inc.

    发明人： Kilsoo Kim ,  Aviral Singh ,  David R. Arft

    IPC分类号： B60L15/20 ,  B60L3/10 ,  B60R16/023 ,  H04L12/40

    摘要： Operation and motion control, by a vehicle's ADAS or AD features, is improved in ways suitable to EVs having higher driving and handling performance. The vehicle dynamic model for high rates of lateral acceleration (e.g., sharp cornering or taking curves having a small radius of curvature as faster speeds) is improved by one or more of optimizing time cornering stiffness with a sigmoid function and/or altering front/rear steering angle to account for roll steer and compliance steer, based on vehicle testing. Indicators for lane departure warning or collision warning, evasive steering, or emergency braking are therefore reliably extended to allow higher performance maneuvers.