利索-全球专利检索

  1. Login
  2. Sign Up

Search Results

8 records (took 0.012 seconds)

    ESTIMATING BATTERY STATE OF HEALTH
    1.
    发明申请
    ESTIMATING BATTERY STATE OF HEALTH 有权

    公开(公告)号：US20240385253A1

    公开(公告)日：2024-11-21

    申请号：US18692592

    申请日：2021-09-30

    Applicant: Cummins Inc.

    Inventor： Yujun Wang ,  Ruigang Zhang ,  Lawrence Hilligoss

    IPC: G01R31/392 ,  G01R31/367 ,  G01R31/374 ,  G01R31/3842 ,  G01R31/389 ,  G01R31/396

    Abstract: A method and apparatus for determining a state of health of a battery are disclosed. The apparatus comprises means for sensing a voltage of the battery, means for sensing a current through the battery, means for estimating a value of an equivalent circuit model parameter of the battery from the sensed voltage and current, wherein the equivalent circuit model parameter is based at least in part on an internal capacitance of the battery, means for storing a predetermined relationship between the equivalent circuit model parameter and the battery state of health, and means for calculating a state of health of the battery based on the estimated value of the equivalent circuit model parameter using the predetermined relationship.

    SYSTEMS AND METHODS FOR ESTIMATING STATE OF HEALTH OF AN ENERGY STORAGE DEVICE
    4.
    发明申请
    SYSTEMS AND METHODS FOR ESTIMATING STATE OF HEALTH OF AN ENERGY STORAGE DEVICE 有权

    公开(公告)号：US20210268932A1

    公开(公告)日：2021-09-02

    申请号：US17321767

    申请日：2021-05-17

    Applicant: Cummins Inc.

    Inventor： Ruigang Zhang ,  Guodong Fan ,  Richard A. Booth

    IPC: B60L58/13 ,  B60L50/62

    Abstract: A system for determining a state of health (SOH) of an energy storage device comprises a controller configured to be coupled to the energy storage device. The controller is configured to determine a current value drawn by or supplied to the energy storage device over a predefined period of time. In response to the current value not satisfying a current threshold, the controller determines a current gain factor and determines an adjusted current value from the determined current value based on the current gain factor. The controller is configured to determine an estimated SOH of the energy storage device based on the adjusted current value, and indicate the estimated SOH on a user interface.

    SOC AND SOH CO-ESTIMATION SYSTEMS AND METHODS FOR ELECTRIC VEHICLES
    5.
    发明申请
    SOC AND SOH CO-ESTIMATION SYSTEMS AND METHODS FOR ELECTRIC VEHICLES 有权

    公开(公告)号：US20210190867A1

    公开(公告)日：2021-06-24

    申请号：US17193555

    申请日：2021-03-05

    Applicant: CUMMINS INC.

    Inventor： Guodong Fan ,  Ruigang Zhang ,  Jordan Loos ,  Aleksey Yezerets

    IPC: G01R31/367 ,  G01R31/392 ,  G01R31/36 ,  G01R31/3842 ,  G01R31/388 ,  B60L58/26 ,  B60L58/16 ,  B60L58/14

    Abstract: A system is provided for performing a power estimation process for an electric vehicle using a controller. The controller estimates an inner state of an energy storage supply of the electric vehicle. The inner state represents a state-of-charge (SOC) and/or a state-of-health (SOH) of the energy storage supply. The controller also estimates an SOC value and/or an SOH value of the energy storage supply based on at least one of: a present current level, a present voltage level, a present temperature, and time-based information. The controller further estimates a bounded SOC value based on the SOC value, a first upper bound, a the first lower bound, and/or estimates a bounded SOH value based on the SOH value, a second upper bound, and a second lower bound. The controller then controls an electrification process of the electric vehicle based on the bounded SOC and/or SOH values.

    PREDICTING BATTERY STATE OF HEALTH
    6.
    发明公开
    PREDICTING BATTERY STATE OF HEALTH 审中-公开

    公开(公告)号：US20230288489A1

    公开(公告)日：2023-09-14

    申请号：US18096707

    申请日：2023-01-13

    Applicant: Cummins Inc.

    Inventor： Xing Jin ,  Ninad Ghike ,  Ruigang Zhang ,  Anant Puri ,  Richard A. Booth

    IPC: G01R31/392 ,  G01R31/396 ,  G01R31/367 ,  G01R31/00 ,  B60L3/12

    CPC classification number: G01R31/392 ,  B60L3/12 ,  G01R31/007 ,  G01R31/367 ,  G01R31/396

    Abstract: A system and method used to predict the state of health of a battery in a powertrain of a vehicle including a vehicle route profile generator arranged to generate a vehicle specific rout profile based on historical vehicle driving information, are disclosed. In one example, the system and method also include a powertrain model to convert the vehicle specific route profile to a predicted battery demand profile, and a state of health profile generator to generate a predicted state of health profile of the battery based on the predicted battery demand. In another example, the system further includes a vehicle performance manager arranged to generate a command to modify operation of the powertrain to extend battery life based on the vehicle specific route profile.

    REMANUFACTURING OF A BATTERY CELL
    7.
    发明公开
    REMANUFACTURING OF A BATTERY CELL 审中-公开

    公开(公告)号：US20230275279A1

    公开(公告)日：2023-08-31

    申请号：US18017031

    申请日：2021-07-20

    Applicant: Cummins Inc.

    Inventor： Chung-Hsuan Huang ,  Corey W. Trobaugh ,  Ruigang Zhang

    IPC: H01M10/54 ,  H01M10/0525 ,  H01M4/04

    CPC classification number: H01M10/54 ,  H01M10/0525 ,  H01M4/0459 ,  H01M2004/028

    Abstract: A method of manufacturing a battery cell is disclosed. The method comprises recovering a cathode module from a used battery cell, assembling a new battery cell using the recovered cathode module. The used battery cell may be from a battery pack which has failed or reached end-of-life. The new battery cell may comprise a new anode module, a new electrolyte and/or a new separator. This may allow a battery cell to be manufactured in a manner which is more cost effective and environmentally sustainable than prior techniques.

Patent Agency Ranking