Patents by Inventor Martin Wilhelmsson

Martin Wilhelmsson 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: 20250145042
    Abstract: Processing circuitry acquires, from historical battery charging data, information indicating a starting energy level and an ending energy level for a battery during previous charging sessions, determine, from the acquired information, whether the starting energy level exceeds a set energy threshold value; and if so to decrease a target charge level being applied during an upcoming charging session for the battery. The decreased target charge level is applied such that an expected energy level of the battery at upcoming charging sessions is decreased to the set energy threshold value.
    Type: Application
    Filed: October 29, 2024
    Publication date: May 8, 2025
    Applicant: VOLVO TRUCK CORPORATION
    Inventors: Linus Nordholm, Martin Wilhelmsson
  • Publication number: 20250136074
    Abstract: A vehicle auxiliary braking system, comprising a carbon brake arrangement, the carbon brake arrangement comprising a rotatable carbon brake disc operably connectable to at least one wheel of a vehicle, and brake pads operable to engage with the rotatable carbon brake disc, the vehicle auxiliary braking system further comprising a control unit comprising processing circuitry configured to determine a time period for an upcoming vehicle braking operation to be initiated at a brake start position at future point in time, and control the brake pads to engage with the rotatable carbon brake disc at the brake start position in response to the time period exceeding a predetermined threshold time period.
    Type: Application
    Filed: October 9, 2024
    Publication date: May 1, 2025
    Inventors: Oscar Stjernberg, Martin Wilhelmsson
  • Publication number: 20250137411
    Abstract: A system for handling surplus methane in a fuel supply system for an internal combustion engine (ICE) system, the system comprising: an inert gas supply system configured to be in fluid communication with the fuel supply system and further configured to supply inert gas to an inert gas supply conduit position of the fuel supply system; a burner configured to be in fluid communication with the fuel supply system via a controllable valve device, the controllable valve device being disposed downstream the fuel supply conduit position; and a controller comprising processing circuitry configured to: predict an upcoming ICE non-operational time period; in response to the predicted ICE non-operational time period, determine to inject inert gas to the inert gas supply conduit position so as to flush the fuel supply system; and control the controllable valve device to direct any flushed-out methane to the burner.
    Type: Application
    Filed: October 21, 2024
    Publication date: May 1, 2025
    Inventors: Oscar Stjernberg, Martin Wilhelmsson
  • Publication number: 20250121693
    Abstract: A computer system comprising processing circuitry configured to determine measured current over each one of a plurality of contactors of a switching arrangement of an energy storage system of a vehicle, determine a health level of each contactor, control the order in which the battery packs are disconnected from the common traction voltage bus, until all of the battery packs are disconnected, by opening closed contactors according to the following: open the closed contactor having the lowest measured current in response to that no closed contactor has a health level deviating from a mean health level of all contactors with more than a first predetermined value, and open the closed contactor having the lowest health level in response to that the health level of such closed contactor deviates from the mean health level of all contactors with a value of more than the first predetermined value.
    Type: Application
    Filed: October 8, 2024
    Publication date: April 17, 2025
    Applicant: VOLVO TRUCK CORPORATION
    Inventors: Linus NORDHOLM, Tobias SMIDEBRANT, Martin WILHELMSSON
  • Publication number: 20250085124
    Abstract: A computer system for a heavy-duty vehicle has a fuel-cell system and an electrical energy storage system. The computer system comprises processing circuitry configured to identify a downhill portion of a trip to be undertaken by the heavy-duty vehicle, determine at least two candidate routes leading from a starting location along the trip to an onset of the downhill portion of the trip, predict a state of energy, SoE, of the battery system at the onset of the downhill portion for each candidate route, and select a proposed route out of the candidate routes at least in part based on the predicted SoE for each candidate route and on an estimated amount of energy regenerated by traversing the downhill portion of the trip.
    Type: Application
    Filed: August 8, 2024
    Publication date: March 13, 2025
    Applicant: VOLVO TRUCK CORPORATION
    Inventors: Martin WILHELMSSON, Linus NORDHOLM, Tobias SMIDEBRANT, Gabriel TRÖNNBERG, Johan BJERNETUN, Jenny BLOMQVIST, Johan LINDBERG, Johan AXELSSON
  • Publication number: 20250074422
    Abstract: A computer system comprising processing circuitry configured to obtain topographic data containing information about the topography of the road along which a heavy-duty vehicle is currently travelling, the topographic data including information about an upcoming downhill slope; acquire prediction data indicative of the braking requirements for the upcoming downhill slope, the braking requirements including how much brake power and/or brake energy that will be needed in the upcoming downhill slope to maintain the speed of the heavy-duty vehicle at or below a selected speed limit of the heavy-duty vehicle throughout the travel in the downhill slope; determine a brake blending combination which allows a Selective Catalytic Reduction System (SCR) of the heavy-duty vehicle to be kept as warm as possible while still fulfilling the braking requirements; and apply the determined brake blending combination to the heavy-duty vehicle while travelling along the downhill slope.
    Type: Application
    Filed: August 28, 2024
    Publication date: March 6, 2025
    Inventors: Martin WILHELMSSON, Oscar Stjernberg, Anders Eriksson, Erik Jonsson Holm
  • Patent number: 12203404
    Abstract: A method of operating a reducing agent injector includes determining a reference level of toxic substances exhausted from a catalytic reduction arrangement when injecting reducing agent at the pre-set mass flow rate; controlling a reducing agent injector to inject reducing agent at a first mass flow rate, the first mass flow rate being different from the pre-set mass flow rate; determining a first level of toxic substances exhausted from the catalytic reduction arrangement after injecting reducing agent at the first mass flow rate; determining which one of the reference level of toxic substances and the first level of toxic substances being a lowest level of toxic substances; updating the pre-set mass flow rate of the predefined injection model to an updated pre-set mass flow rate as the mass flow rate causing the catalytic reduction arrangement to exhaust the lowest level of toxic substances; and controlling the reducing agent injector to inject reducing agent at the updated pre-set mass flow rate.
    Type: Grant
    Filed: October 17, 2023
    Date of Patent: January 21, 2025
    Assignee: Volvo Truck Corporation
    Inventors: Dan Stenqvist, Martin Wilhelmsson, Per-Johan Carlsson
  • Publication number: 20240416910
    Abstract: A computer system comprising processing circuitry is provided. The processing circuitry is configured to evaluate, based on topography data of an upcoming road segment, use of upcoming topography to achieve a target speed range of a vehicle operating in a topography fuel efficiency mode. The processing circuitry is further configured to determine all trailing vehicles within a predetermined range are operating in a fuel efficiency mode corresponding to the topography fuel efficiency mode and responsive to determining that all trailing vehicles within the predetermined range are operating in a propulsion mode corresponding to the topography fuel efficiency mode, permit a current speed of the vehicle to temporarily deviate below the target speed range of the vehicle and to use the upcoming topography to achieve the target speed.
    Type: Application
    Filed: June 17, 2024
    Publication date: December 19, 2024
    Applicant: VOLVO TRUCK CORPORATION
    Inventors: Oscar STJERNBERG, Martin Wilhelmsson
  • Patent number: 12145552
    Abstract: A system for use in connection with a wheel torque generating component in a heavy-duty vehicle. The system comprises a fluid conduit, a compressor configured to provide a pressurized air flow through the fluid conduit, a mass flow adding arrangement configured to add a fluid to the pressurized air flow in the fluid conduit, thereby increasing the mass flow of the pressurized air flow, and a flow directing device arranged downstream of the mass flow adding arrangement and configured to direct the pressurized air flow, including the added fluid, from the fluid conduit to the wheel torque generating component so as to control the temperature of the wheel torque generating component. The invention also relates to a method for use in connection with a wheel torque generating component in a heavy-duty vehicle.
    Type: Grant
    Filed: December 1, 2022
    Date of Patent: November 19, 2024
    Assignee: Volvo Truck Corporation
    Inventors: Mats Rydström, Fredrik Rahm, Tove Audhav, Martin Wilhelmsson
  • Patent number: 12092007
    Abstract: A computer-implemented method for controlling a regeneration event for an exhaust aftertreatment system of a vehicle is described. The method comprises predicting, by a processor device, expected travelling times for travelling from a starting point to a first destination point and from an auxiliary point to a second destination point based on collected drive time statistical data and collected additional drive time statistical data; and controlling, by the processor device, the regeneration event based on the predicted expected travelling times.
    Type: Grant
    Filed: January 31, 2024
    Date of Patent: September 17, 2024
    Assignee: VOLVO TRUCK CORPORATION
    Inventors: Oscar Stjernberg, Martin Wilhelmsson, Johan Bjernetun, Anders Eriksson
  • Publication number: 20240300362
    Abstract: A computer-implemented method for automatically controlling the charging of an energy storage system in an electric heavy-duty vehicle is provided. The method comprises determining, by a processor device of a computer system, a level of ECO-driving of the heavy-duty vehicle, determining, by the processor device, a level of battery aging of the at least one battery pack in the energy storage system of the heavy-duty vehicle, wherein said determination is based on a battery model, determining, by the processor device, a maximum allowable charging condition of the at least one battery pack, wherein the determination is 10 based on the level of ECO-driving and the level of aging of the battery pack and controlling the charging of the at least one battery pack based on the maximum allowable charging condition in order to control the aging of the battery pack.
    Type: Application
    Filed: March 5, 2024
    Publication date: September 12, 2024
    Inventors: Martin Wilhelmsson, Johan Bjernetun, Anders Eriksson
  • Publication number: 20240278690
    Abstract: A computer system and a method for controlling a power producing assembly of a vehicle is described. The power producing assembly includes a fuel cell system and an energy storage system comprising one or more batteries. The method includes identifying an upcoming driving event of the vehicle, said upcoming driving event comprising following a route in a geographic location, identifying a current operating condition of the vehicle,-using driving event information, including power output from a fuel cell system, for driving events following the same route which have previously been performed under determined operating conditions, and determining a desirable power output profile from the fuel cell system during the identified upcoming driving event for the current operating condition on the basis of the driving event information.
    Type: Application
    Filed: February 14, 2024
    Publication date: August 22, 2024
    Applicant: VOLVO TRUCK CORPORATION
    Inventors: Fredrik BLOMGREN, Linus Nordholm, Martin Wilhelmsson, Tobias Smidebrant
  • Publication number: 20240278691
    Abstract: A computer system and a method for controlling a power system of a vehicle is disclosed. The power system includes a fuel cell system and an energy storage system comprising one or more batteries. The method includes predicting an upcoming driving event associated with a start time and a time duration, the driving event being an event during which the vehicle is expected to be operated under a load condition. The method further includes determining a preferred operating condition of the fuel cell system during the predicted upcoming driving event based on the load condition and on the time duration, and controlling the power system by performing a preparation action associated with the power system in dependence of the determined operating condition of the fuel system before the start time of the predicted upcoming driving event.
    Type: Application
    Filed: February 15, 2024
    Publication date: August 22, 2024
    Inventors: Fredrik BLOMGREN, Linus NORDHOLM, Tobias SMIDEBRANT, Eva SKVOR, Martin WILHELMSSON
  • Publication number: 20240271585
    Abstract: A computer-implemented method for controlling a vehicle comprising a combustion engine, drive members, and an engine exhaust system comprising a particulate filter, the method comprising: determining that a first condition is fulfilled, such as when a downhill condition applies, determining if a second condition is fulfilled, wherein the second condition is considered fulfilled if an amount of soot in the particulate filter exceeds a threshold amount, and/or if a temperature at the particulate filter exceeds a temperature threshold level, in response to determining that the first condition is fulfilled, and the second condition is not fulfilled, controlling the vehicle to turn off the combustion engine, in response to determining that the first and second conditions are fulfilled, controlling the vehicle to supply fuel to the combustion engine, the engine being drivingly disconnected from the drive members.
    Type: Application
    Filed: February 14, 2024
    Publication date: August 15, 2024
    Inventors: Martin Wilhelmsson, Mattias Johansson
  • Publication number: 20240254904
    Abstract: A computer-implemented method for controlling a regeneration event for an exhaust aftertreatment system of a vehicle is described. The method comprises predicting, by a processor device, expected travelling times for travelling from a starting point to a first destination point and from an auxiliary point to a second destination point based on collected drive time statistical data and collected additional drive time statistical data; and controlling, by the processor device, the regeneration event based on the predicted expected travelling times.
    Type: Application
    Filed: January 31, 2024
    Publication date: August 1, 2024
    Applicant: VOLVO TRUCK CORPORATION
    Inventors: Oscar STJERNBERG, Martin WILHELMSSON, Johan BJERNETUN, Anders ERIKSSON
  • Publication number: 20240246408
    Abstract: The present disclosure relates to a computer system and a method for controlling pressure release in a liquid gas fuel volume of a vehicle, the vehicle including a liquid gas fuel volume, a valve controllable to ventilate a volume of fuel gas into ambient surroundings of the vehicle, a sensor assembly, a navigational system and a computer system including a processor device. The method includes, by the processor device identifying the vehicle approaching a confined space, measuring by the sensor assembly a status of the liquid gas fuel volume. Based on the measured status of the liquid gas fuel volume and on historical data, estimating an amount of fuel gas that would be released while the vehicle is located in the confined space, and controlling the valve to preemptively ventilate at least the estimated amount of fuel gas from the liquid gas fuel volume before reaching the confined space.
    Type: Application
    Filed: January 16, 2024
    Publication date: July 25, 2024
    Inventors: Oscar Stjernberg, Martin Wilhelmsson
  • Publication number: 20240227856
    Abstract: A computer system including a processor device is provided. The processor device is configured to receive a deactivation request to deactivate a heavy-duty vehicle. The processor device is further configured to determine a controlled partial deactivation instruction of the vehicle, wherein the controlled partial deactivation instruction is determined by an autonomous model comprising a historical usage pattern of the vehicle. The historical usage pattern comprises information of deactivation events and activation events of the vehicle that has historically occurred at reference time frames. The processor device is further configured to control the vehicle to execute the controlled partial deactivation instruction such that the vehicle is at least partially deactivated either immediately, or after a delay, as determined by the controlled partial deactivation instruction.
    Type: Application
    Filed: December 27, 2023
    Publication date: July 11, 2024
    Applicant: VOLVO TRUCK CORPORATION
    Inventors: Martin WILHELMSSON, Tobias SMIDEBRANT, Linus NORDHOLM
  • Publication number: 20240227819
    Abstract: A computer system comprising a processor device is provided. The processor device is configured to receive a deactivation request to deactivate a heavy-duty vehicle. The processor device is further configured to determine a controlled partial deactivation instruction of at least one subsystem of the vehicle, wherein the controlled partial deactivation instruction is determined by an autonomous model comprising a historical usage pattern of the vehicle. The historical usage pattern comprises information of deactivation events and activation events of the vehicle that has historically occurred at reference locations. The processor device is further configured to control the vehicle to execute the controlled partial deactivation instruction such that the vehicle is at least partially deactivated either immediately, or after a delay, as determined by the controlled partial deactivation instruction.
    Type: Application
    Filed: December 22, 2023
    Publication date: July 11, 2024
    Applicant: VOLVO TRUCT CORPORATION
    Inventors: Martin WILHELMSSON, Linus NORDHOLM, Tobias SMIDEBRANT
  • Publication number: 20240210180
    Abstract: A computer system determines a selected path to be taken by a vehicle. The system monitors alternative paths for the vehicle; based on the monitoring, determines that the vehicle approaches at least two alternative paths having different properties; determines a probability of the vehicle taking each of the at least two alternative paths having different properties; compares the probabilities of the at least two alternative paths to each other; and based on a result of the comparison of the probabilities, selects a selected path amongst the at least two alternative paths.
    Type: Application
    Filed: December 18, 2023
    Publication date: June 27, 2024
    Applicant: VOLVO TRUCK CORPORATION
    Inventors: Linus NORDHOLM, Martin WILHELMSSON, Tobias SMIDEBRANT, Gabriel TRÖNNBERG, Johan BJERNETUN, Jenny BLOMQVIST, Johan LINDBERG, Johan AXELSSON
  • Publication number: 20240157919
    Abstract: A heavy-duty vehicle has a first set of metallic brakes and a second set of non-metallic brakes having lower weight than the metallic brakes. A processor device is configured to acquire prediction data indicative of an upcoming brake event that is expected to occur along a road on which the vehicle is travelling; determine, based on the prediction data, an expected value of kinetic energy that will be absorbed during said upcoming brake event; select, based on said determined expected value of kinetic energy, which one of the first and second sets of brakes that is to be activated to absorb kinetic energy during said upcoming brake event; and control the selected set of brakes to be activated during said brake event, wherein the other set of brakes remains inactivated during said brake event.
    Type: Application
    Filed: November 1, 2023
    Publication date: May 16, 2024
    Applicant: VOLVO TRUCK CORPORATION
    Inventors: Oscar STJERNBERG, Martin WILHELMSSON