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).
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Patent number: 12092007Abstract: 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: GrantFiled: January 31, 2024Date of Patent: September 17, 2024Assignee: VOLVO TRUCK CORPORATIONInventors: Oscar Stjernberg, Martin Wilhelmsson, Johan Bjernetun, Anders Eriksson
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Publication number: 20240300362Abstract: 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: ApplicationFiled: March 5, 2024Publication date: September 12, 2024Inventors: Martin Wilhelmsson, Johan Bjernetun, Anders Eriksson
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Publication number: 20240278691Abstract: 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: ApplicationFiled: February 15, 2024Publication date: August 22, 2024Inventors: Fredrik BLOMGREN, Linus NORDHOLM, Tobias SMIDEBRANT, Eva SKVOR, Martin WILHELMSSON
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Publication number: 20240278690Abstract: 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: ApplicationFiled: February 14, 2024Publication date: August 22, 2024Applicant: VOLVO TRUCK CORPORATIONInventors: Fredrik BLOMGREN, Linus Nordholm, Martin Wilhelmsson, Tobias Smidebrant
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Publication number: 20240271585Abstract: 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: ApplicationFiled: February 14, 2024Publication date: August 15, 2024Inventors: Martin Wilhelmsson, Mattias Johansson
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Publication number: 20240254904Abstract: 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: ApplicationFiled: January 31, 2024Publication date: August 1, 2024Applicant: VOLVO TRUCK CORPORATIONInventors: Oscar STJERNBERG, Martin WILHELMSSON, Johan BJERNETUN, Anders ERIKSSON
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Publication number: 20240246408Abstract: 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: ApplicationFiled: January 16, 2024Publication date: July 25, 2024Inventors: Oscar Stjernberg, Martin Wilhelmsson
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Publication number: 20240227819Abstract: 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: ApplicationFiled: December 22, 2023Publication date: July 11, 2024Applicant: VOLVO TRUCT CORPORATIONInventors: Martin WILHELMSSON, Linus NORDHOLM, Tobias SMIDEBRANT
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Publication number: 20240227856Abstract: 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: ApplicationFiled: December 27, 2023Publication date: July 11, 2024Applicant: VOLVO TRUCK CORPORATIONInventors: Martin WILHELMSSON, Tobias SMIDEBRANT, Linus NORDHOLM
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Publication number: 20240210180Abstract: 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: ApplicationFiled: December 18, 2023Publication date: June 27, 2024Applicant: VOLVO TRUCK CORPORATIONInventors: Linus NORDHOLM, Martin WILHELMSSON, Tobias SMIDEBRANT, Gabriel TRĂ–NNBERG, Johan BJERNETUN, Jenny BLOMQVIST, Johan LINDBERG, Johan AXELSSON
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Publication number: 20240157919Abstract: 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: ApplicationFiled: November 1, 2023Publication date: May 16, 2024Applicant: VOLVO TRUCK CORPORATIONInventors: Oscar STJERNBERG, Martin WILHELMSSON
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Publication number: 20240152166Abstract: A computer-implemented method for controlling pressure release in a liquid gas fuel volume in a vehicle, the liquid gas fuel volume being arranged with a control unit and a pressure release valve configured to automatically ventilate gas to an external environment when a pressure in the liquid gas fuel volume exceeds a predetermined ventilation set point. The method comprises obtaining by the control unit data, determining by the control unit a refueling pressure set point for the liquid gas fuel volume based on the obtained data, and at a subsequent refueling operation, communicating the refueling pressure set point as a maximum pressure threshold to be used when refueling the liquid gas fuel volume. A control unit to control pressure release according to the method, a computer program, a computer-readable medium, a liquid fuel gas volume arranged with the control unit, and a vehicle comprising the liquid fuel gas volume.Type: ApplicationFiled: October 27, 2023Publication date: May 9, 2024Inventors: Martin Wilhelmsson, Oscar Stjernberg
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Patent number: 11976603Abstract: A method performed by a control unit in connection with a pre-heating process of an aftertreatment system for a combustion engine is provided. The control unit obtains a scheduled start time of the combustion engine. The control unit schedules a pre-heating of the aftertreatment system to be completed before the scheduled start time. The control unit detects a start of the combustion engine at an actual start time. In response to the detected start of the combustion engine, and using the actual and scheduled start times, the control unit determines whether the scheduled pre-heating of the aftertreatment system fulfils one or more success criteria. When the one or more success criteria are fulfilled, the control unit triggers a performance increase of the combustion engine.Type: GrantFiled: January 19, 2023Date of Patent: May 7, 2024Assignee: VOLVO TRUCK CORPORATIONInventors: Martin Wilhelmsson, Dan Stenqvist, Irman Svraka
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Publication number: 20240141816Abstract: 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: ApplicationFiled: October 17, 2023Publication date: May 2, 2024Applicant: Volvo Truck CorporationInventors: Dan STENQVIST, Martin Wilhelmsson, Per-Johan Carlsson
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Publication number: 20240123833Abstract: A computer-implemented method of controlling future braking capacity of a vehicle travelling along a road, the vehicle having onboard batteries that are configured to absorb energy from regenerative braking. The method comprises acquiring prediction data indicative of how much braking capacity will be needed for the vehicle in an upcoming downhill slope in which a regenerative braking event is anticipated; controlling, based on the acquired prediction data, the application of resistor brakes of the vehicle before said upcoming downhill slope, thereby increasing the propulsion power needed to propel the vehicle at maintained speed, and controlling a traction motor of the vehicle so that the vehicle is propelled at maintained speed while the resistor brakes are applied, thereby reducing the state of charge (SOC) of the onboard batteries and enabling the onboard batteries to subsequently absorb energy from said anticipated regenerative braking event.Type: ApplicationFiled: September 29, 2023Publication date: April 18, 2024Inventors: Oscar STJERNBERG, Martin WILHELMSSON
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Patent number: 11933212Abstract: An exhaust aftertreatment system, EATS, for converting NOx emissions in exhaust gases from an engine. The EATS includes a fluid channel for providing a fluid pathway for the exhaust gases; a selective catalytic reduction, SCR, catalyst arranged in the fluid channel, the SCR catalyst being configured to store ammonia; an injector configured to inject a reductant for providing ammonia to the SCR catalyst, the injector being arranged upstream of the SCR catalyst; a fluid flow inducer configured to cause an induced fluid flow in at least a part of the fluid channel when the engine is turned off; and a controlling apparatus configured to precondition the EATS prior to engine start by injecting the reductant into the fluid channel, and transport the reductant into the SCR catalyst by the induced fluid flow to store ammonia in the SCR catalyst.Type: GrantFiled: September 27, 2022Date of Patent: March 19, 2024Assignee: VOLVO TRUCK CORPORATIONInventors: Irman Svraka, Dan Stenqvist, Martin Wilhelmsson
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Patent number: 11873750Abstract: A method for preconditioning at least a part of an engine system of a vehicle. The engine system includes an engine and an exhaust aftertreatment system, EATS. The method providing predicted vehicle operational information comprising a vehicle operational initialization time and predicted engine operation, determining whether or not cold-start emissions of the predicted engine operation achieves a threshold criterium, in response to achieving the threshold criterium, preconditioning at least a part of the engine system such that at least said part of the engine system is preconditioned at a time of the vehicle operational initialization time.Type: GrantFiled: September 27, 2022Date of Patent: January 16, 2024Assignee: VOLVO TRUCK CORPORATIONInventors: Johan Dahl, Martin Wilhelmsson, Oscar Stjernberg
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Publication number: 20230339488Abstract: A computer implemented method of controlling a vehicle operation of a vehicle, the vehicle comprising vehicle components operable by processing circuitry based on predicted user behaviour, the method comprising receiving, by the processing circuitry, a signal indicative of a current user behaviour for a user currently operating the vehicle; comparing, by the processing circuitry, the current user behaviour with a predicted user behaviour; and when a difference between the current user behaviour and the predicted user behaviour is above a predetermined threshold limit: forming, by the processing circuitry, new user behaviour based on the current user behaviour; and controlling, by the processing circuitry, operation of at least one of the vehicle components using the new user behaviour.Type: ApplicationFiled: April 24, 2023Publication date: October 26, 2023Applicant: VOLVO TRUCK CORPORATIONInventors: Martin WILHELMSSON, Mattias JOHANSSON
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Patent number: 11795885Abstract: A method for controlling the operation of an engine system in a vehicle upon engine start. The engine system includes an engine and an exhaust aftertreatment system having a selective catalyst reduction, SCR, catalyst and a reductant dosing system for providing a reductant to the SCR catalyst. The method comprises: determining the temperature of the SCR catalyst; in response of determining that the temperature of the SCR catalyst is above a predetermined threshold, initiating pressurising of the reductant dosing system towards a predefined operating pressure; performing a preventive action for delaying engine start until the operating pressure of the reductant dosing system is reached.Type: GrantFiled: October 12, 2022Date of Patent: October 24, 2023Assignee: VOLVO TRUCK CORPORATIONInventors: Dan Stenqvist, Martin Wilhelmsson
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Patent number: 11788443Abstract: A method for controlling oil pressure in a controllable oil pump of an internal combustion engine system. A vehicle is arranged in communication with a control unit, the method comprising: receiving an indication of an upcoming vehicle operating situation affecting an operation of the ICE system; determining an expected change in the operation of the ICE system for the upcoming vehicle operating situation; determining a current oil pressure of the oil pump; and on the basis of said determined expected change in the operation of the ICE system and the determined current oil pressure of the oil pump, determining a minimum oil pressure for the oil pump for the upcoming vehicle operating situation.Type: GrantFiled: June 16, 2022Date of Patent: October 17, 2023Assignee: VOLVO TRUCK CORPORATIONInventors: Oscar Stjernberg, Martin Wilhelmsson