Patents by Inventor Johan Bjernetun
Johan Bjernetun 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: 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: 20240227799Abstract: A method for controlling a vehicle, the method comprising obtaining route data representing information about a portion of a route to be travelled by the subject vehicle and determining an efficient speed of the subject vehicle at a position along the route portion, in dependence on the route data, on a cost of operating the subject vehicle along the route portion, and on a progress of the subject vehicle along the route portion, comprising determining, independently of the step of determining an efficient speed, a maximum safe speed at the position along the route portion, in dependence on the route data, with an aim to avoid an accident involving the subject vehicle, wherein the maximum safe speed forms an upper limit of the subject vehicle speed at the position.Type: ApplicationFiled: May 10, 2021Publication date: July 11, 2024Inventors: Jens SAMSIOE, Linus NORDHOLM, Johan BJERNETUN, Johan LINDBERG, Anders MAGNUSSON
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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 TRÖNNBERG, Johan BJERNETUN, Jenny BLOMQVIST, Johan LINDBERG, Johan AXELSSON
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Publication number: 20240167843Abstract: The present disclosure relates to a control arrangement (200) for a vehicle (100, 102), specifically adapted for use and creation of map data for improved operation of the vehicle (100, 102). The present disclosure also relates to a corresponding method and computer program product.Type: ApplicationFiled: January 30, 2024Publication date: May 23, 2024Inventor: Johan BJERNETUN
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Publication number: 20240149877Abstract: A computer-implemented method comprises receiving, by a processor device of a computer system, from at least one data acquisition device of a prime vehicle, measurement data of each of at least two preceding vehicles preceding the prime vehicle; determining, by the processor device, a performance consistency of each of the at least two preceding vehicles based on the measurement data; selecting, by the processor device, a standard vehicle of the at least two preceding vehicles based on the performance consistency of each of the at least two preceding vehicles; and adapting, by the processor device, operation of the prime vehicle based on the standard vehicle.Type: ApplicationFiled: October 4, 2023Publication date: May 9, 2024Inventors: Johan Bjernetun, Oscar Stjernberg, Martin Wilhelmson
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Patent number: 11933630Abstract: A control arrangement for a vehicle, specifically adapted for use and creation of map data for improved operation of the vehicle. A corresponding method and computer program product is also provided.Type: GrantFiled: June 26, 2017Date of Patent: March 19, 2024Assignee: VOLVO TRUCK CORPORATIONInventor: Johan Bjernetun
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Publication number: 20230273787Abstract: A computer-implemented method for scheduling a vehicle software update in a vehicle, for example, in heavy-duty vehicle which may be operating in a defined area or site, and/or along a defined trajectory, the method comprising associating a probability of the vehicle having an updateable operational state with one or more time periods, wherein the probability of the vehicle being updateable is determined based at least partly on data representing behavioural states of one or more similar vehicles, in other words, other vehicles which have usage characteristics which have a relationship to the usage characteristics of the vehicle; scheduling a pending software update until the next time period of the one or more time periods where the probability of the vehicle having an updateable operational states meets a software update condition; and, enabling the vehicle to perform the software update when the vehicle probability having the updateable operational state meets the software update condition.Type: ApplicationFiled: February 23, 2023Publication date: August 31, 2023Applicant: VOLVO TRUCK CORPORATIONInventors: Martin WILHELMSSON, Johan BJERNETUN, Tobias SMIDEBRANT, Linus NORDHOLM
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Publication number: 20230020541Abstract: A method for thermal conditioning at least one thermal buffer of a thermal system of a vehicle, the thermal system being a rechargeable energy storage system, RESS, and/or an energy transformation system comprising fuel cells, the thermal buffer having an operating window defined by the preferred operating temperature of the thermal buffer. The method includes providing predictive power utilization of the thermal buffer as a function of time, conditioning the thermal buffer in response to the predictive power utilization, such that the thermal buffer is thermally conditioned to be within the operating window of the thermal buffer. The operating window is varying as a function of the predictive power utilization over time.Type: ApplicationFiled: July 15, 2022Publication date: January 19, 2023Applicant: VOLVO TRUCK CORPORATIONInventors: Linus NORDHOLM, Jens SAMSIOE, Anders MAGNUSSON, Johan BJERNETUN, Johan LINDBERG, Leo LAINE
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Publication number: 20200182628Abstract: A control arrangement for a vehicle, specifically adapted for use and creation of map data for improved operation of the vehicle. A corresponding method and computer program product is also provided.Type: ApplicationFiled: June 26, 2017Publication date: June 11, 2020Inventor: Johan BJERNETUN
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Patent number: 10648557Abstract: A method for automatic calibration of a position detection sensor of an automatic transmission including a gearshift actuator, the method including registering, using the position detection sensor, the position of the gearshift actuator upon power-up of the transmission; and performing a calibration of the position detection sensor if the registered position of the gearshift actuator is outside a predetermined expected position range of the gearshift actuator or within a predetermined abnormal position range of the gearshift actuator.Type: GrantFiled: March 3, 2019Date of Patent: May 12, 2020Assignee: VOLVO TRUCK CORPORATIONInventors: Lars Karlsson, Johan Bjernetun
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Patent number: 10640119Abstract: A method to control a powertrain in a vehicle during an acceleration is provided, the powertrain including a propulsion unit, a multi-clutch transmission drivingly connected to the propulsion unit, and a control unit for controlling at least the powertrain components, which control unit is provided with a prediction model including at least one simulated shift sequence for the multi-clutch transmission. The method involves monitoring at least one operating parameter of the powertrain; estimating the time (tE) between initiation of a first power upshift and initiation of a sequential second power upshift using the prediction model; and, if the estimated time is shorter than a predetermined time limit (tLIM), controlling the propulsion unit to limit the vehicle acceleration so that the time between the first and second power upshifts is increased to be at least equal to the predetermined time limit (tLIM).Type: GrantFiled: October 9, 2014Date of Patent: May 5, 2020Assignee: VOLVO TRUCK CORPORATIONInventors: Lars Karlsson, Johan Bjernetun, Anders Eriksson
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Patent number: 10377384Abstract: A method is provided for controlling a drivetrain of a vehicle, wherein the drivetrain comprises a multi-clutch transmission. The gear shift of the multi-clutch transmission is adapted to be performed either by power cut shift or by power shift dependent on predetermined vehicle shift conditions. The method includes detecting at least one of a plurality of indications of slippery road conditions and setting a slip risk factor, wherein the slip risk factor is dependent on the indication of slippery road conditions. If the slip risk factor is above a first predetermined threshold value the method further comprises controlling the multi-clutch transmission such that an upcoming gear shift is performed as a power-shift independently of if upcoming shift was determined to be performed as a power-cut shift or as a power shift.Type: GrantFiled: September 5, 2014Date of Patent: August 13, 2019Assignee: Volvo Truck CorporationInventors: Lars Karlsson, Johan Bjernetun
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Publication number: 20190195356Abstract: A method for automatic calibration of a position detection sensor of an automatic transmission including a gearshift actuator, the method including registering, using the position detection sensor, the position of the gearshift actuator upon power-up of the transmission; and performing a calibration of the position detection sensor if the registered position of the gearshift actuator is outside a predetermined expected position range of the gearshift actuator or within a predetermined abnormal position range of the gearshift actuator.Type: ApplicationFiled: March 3, 2019Publication date: June 27, 2019Applicant: VOLVO TRUCK CORPORATIONInventors: Lars Karlsson, Johan BJERNETUN
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Patent number: 10288170Abstract: A method for automatic calibration of a position detection sensor of an automatic transmission including a gearshift actuator, the method including registering, using the position detection sensor, the position of the gearshift actuator upon power-up of the transmission; and performing a calibration of the position detection sensor if the registered position of the gearshift actuator is outside a predetermined expected position range of the gearshift actuator or within a predetermined abnormal position range of the gearshift actuator.Type: GrantFiled: August 14, 2013Date of Patent: May 14, 2019Assignee: Volvo Truck CorporationInventors: Lars Karlsson, Johan Bjernetun
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Patent number: 10077049Abstract: A method is provided for adapting the starting gear of an automated manual transmission in a heavy vehicle, where a pre-selected starting gear is selected by a transmission control unit depending on vehicle parameters of the heavy vehicle, where the starting gear is lowered from the pre-selected starting gear depending on a movement behavior of a vehicle in front of the heavy vehicle. The pre-selected starting gear can be adapted to the traffic in front of the vehicle, which makes it possible to avoid unnecessary gear changes and which allows for a smooth starting cycle of the vehicle.Type: GrantFiled: October 2, 2013Date of Patent: September 18, 2018Assignee: Volvo Truck CorporationInventors: Johan Bjernetun, Anders Eriksson
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Patent number: 10046765Abstract: A method is provided to control an engine braking operation of a vehicle provided with a dual clutch transmission. The dual clutch transmission is adapted to be set into different gear-combinations, each including an active gear selection through which torque can be transmitted, and a passive gear selection through which no torque can be transmitted. In a pre-set number of gear-combinations, the first input shaft and the main shaft have a synchronised rotation. When an engine braking operation is performed when the transmission is set in one of the pre-set number of gear-combinations modifying said engine braking operation such that a damaging load upon said spigot bearing is reduced.Type: GrantFiled: November 19, 2013Date of Patent: August 14, 2018Assignee: Volvo Truck CorporationInventors: Klas Bergström, Lars Karlsson, Johan Bjernetun, Lennart Brusved
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Patent number: 10018233Abstract: A method for automatic detection of need for clutch calibration includes registering and storing in a data memory, before or in connection with engine shut down, a value of a clutch operating parameter, registering a corresponding value of the clutch operating parameter in connection with subsequent engine start up, and determining need for clutch calibration if the difference between the stored value of the clutch operating parameter and the corresponding value of the clutch operating parameter exceeds a predetermined threshold value.Type: GrantFiled: June 27, 2013Date of Patent: July 10, 2018Assignee: Volvo Truck CorporationInventors: Lars Karlsson, Johan Bjernetun
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Publication number: 20170305431Abstract: A method to control a powertrain in a vehicle during an acceleration is provided, the powertrain including a propulsion unit, a multi-clutch transmission drivingly connected to the propulsion unit, and a control unit for controlling at least the powertrain components, which control unit is provided with a prediction model including at least one simulated shift sequence for the multi-clutch transmission. The method involves monitoring at least one operating parameter of the powertrain; estimating the time (tE) between initiation of a first power upshift and initiation of a sequential second power upshift using the prediction model; and, if the estimated time is shorter than a predetermined time limit (tLIM), controlling the propulsion unit to limit the vehicle acceleration so that the time between the first and second power upshifts is increased to be at least equal to the predetermined time limit (tLIM).Type: ApplicationFiled: October 9, 2014Publication date: October 26, 2017Applicant: VOLVO TRUCK CORPORATIONInventors: Lars KARLSSON, Johan BJERNETUN, Anders ERIKSSON