Patents by Inventor Björn FRIDHOLM

Björn FRIDHOLM has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20240133969
    Abstract: A method includes: determining a state of health of each of the electrical energy storage packs; detecting at least one malfunctioning electrical energy storage pack of the electrical energy storage system; determining an uncertainty measure for each of the determined state of health's; concluding to replace the electrical energy storage packs having state of health lower than a minimum state of health, and electrical energy storage packs that are concluded to be malfunctioning, evaluating the determined state of health's and the corresponding uncertainties for maintained electrical energy storage packs and a set of replacement electrical energy storage packs to find a combination of maintained electrical energy storage packs and replacement electrical energy storage packs that fulfil energy and power requirements for the vehicle taking the uncertainties in state of health into account; determining a new configuration of the electrical energy storage system including the combination of maintained electrical e
    Type: Application
    Filed: June 21, 2023
    Publication date: April 25, 2024
    Applicant: VOLVO TRUCK CORPORATION
    Inventors: Faisal ALTAF, Anton KLINTBERG, Björn FRIDHOLM
  • Publication number: 20240001800
    Abstract: A method for determining an electrical energy storage pack replacement configuration of a propulsion electrical energy storage of a vehicle, the method includes: classifying a vehicle usage type using vehicle driving pattern data of the vehicle as input data; determining a minimum state of health required for usage according to the classified vehicle usage type; determining a state of health of each of the electrical energy storage packs of the vehicle; concluding a replacement of the electrical energy storage packs having state of health lower than the minimum state of health; determining a load distribution between electrical energy storage packs after reconfiguration including replacement electrical energy storage packs and maintained electrical energy storage packs; and once electrical energy storage pack replacement is performed, determining a load sharing factor indicative of a load distribution between the electrical energy storage packs, and depending on the outcome of comparing the load sharing facto
    Type: Application
    Filed: June 21, 2023
    Publication date: January 4, 2024
    Applicant: VOLVO TRUCK CORPORATION
    Inventors: Faisal ALTAF, Alice HAMRIN, Anton KLINTBERG, Björn FRIDHOLM
  • Publication number: 20230022486
    Abstract: A method for estimating a capacity of a battery unit in an energy storage system of a vehicle is provided. The method includes during at least a first no-load condition of the battery unit, measuring a terminal voltage of the battery unit at a number of points in time to determine a transient voltage response of the battery unit, from the transient voltage response of the battery unit during at least the first no-load condition, estimating at least a first value of an open circuit voltage of the battery unit by means of a battery model, and estimating the capacity of the battery unit based on at least the estimated at least first value of the open circuit voltage.
    Type: Application
    Filed: December 19, 2019
    Publication date: January 26, 2023
    Applicant: VOLVO TRUCK CORPORATION
    Inventors: Anton KLINTBERG, Faisal ALTAF, Björn FRIDHOLM
  • Patent number: 11465534
    Abstract: A method for controlling cooling of a traction battery in an electric vehicle where the method comprises determining a battery temperature profile for a segment of a planned route based on route information describing a route from a starting point to a destination and based on a current battery status and determining a battery cooling profile for the segment of the route based on the battery temperature profile. By means of the route information and the state of the battery, the battery cooling profile can be determined in order to minimize the power required for cooling the battery. Since the route information can provide information relating to a range of parameters which influence the power consumption along the route, the cooling needs of the battery can also be estimated for the route as a whole.
    Type: Grant
    Filed: June 15, 2020
    Date of Patent: October 11, 2022
    Assignee: Volvo Car Corporation
    Inventors: Simone Vizzini, Björn Fridholm, Leonardo Claudio Amato, Fabio Delgado
  • Publication number: 20210031654
    Abstract: A method for controlling cooling of a traction battery in an electric vehicle where the method comprises determining a battery temperature profile for a segment of a planned route based on route information describing a route from a starting point to a destination and based on a current battery status and determining a battery cooling profile for the segment of the route based on the battery temperature profile. By means of the route information and the state of the battery, the battery cooling profile can be determined in order to minimize the power required for cooling the battery. Since the route information can provide information relating to a range of parameters which influence the power consumption along the route, the cooling needs of the battery can also be estimated for the route as a whole.
    Type: Application
    Filed: June 15, 2020
    Publication date: February 4, 2021
    Inventors: Simone VIZZINI, Björn FRIDHOLM, Leonardo Claudio AMATO, Fabio DELGADO