Patents by Inventor Inge Svensson
Inge Svensson 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: 11952060Abstract: The invention relates to a steering assembly (12) for a vehicle (10). The steering assembly (12) comprises a first steering actuator (14) and a second steering actuator (16). The first steering actuator (14) is adapted to be actuated in accordance with at least one signal issued from a motion control system (18) to control a steering angle of at least one steerable ground engaging member (20, 22) of the vehicle (10) to thereby control the steering of the vehicle (10). The first steering actuator (14) is associated with a first nominal steering capability, defining at least one limitation of at least one of the following: steering angle, steering angle rate and steering torque, for the at least one steerable ground engaging member (20, 22).Type: GrantFiled: June 25, 2018Date of Patent: April 9, 2024Assignee: Volvo Truck CorporationInventors: Leo Laine, Jan-Inge Svensson, Lionel Farres, Christian Oscarsson, Leon Henderson, Jose Vilca, Kristoffer Tagesson, Johanna Majqvist
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Patent number: 11618500Abstract: The invention relates to a method of controlling steering of a vehicle (1), comprising the steps of: acquiring (S1) a signal indicative of a driver request indicative of a desired wheel angle of a turnable vehicle wheel (5); determining (S2), based on the signal indicative of the driver request, a control signal for an actuator (13) coupled to the turnable vehicle wheel to achieve the desired wheel angle; controlling (S3) the actuator (13) using the control signal; detecting (S4) an abrupt wheel disturbance event; and in response to detecting the abrupt wheel disturbance event: acquiring (S5), from a lane detecting arrangement (19), a signal indicative of a lane curvature ahead of the vehicle (1); and controlling (S6) the actuator (13) based on the lane curvature ahead of the vehicle (1).Type: GrantFiled: June 27, 2018Date of Patent: April 4, 2023Assignee: Volvo Truck CorporationInventors: Gustav Neander, Jan-Inge Svensson, Mats Fagergren
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Publication number: 20230001898Abstract: A method for controlling a vehicle brake system for a heavy duty vehicle including a primary brake system and an auxiliary brake system. The method includes configuring a wheel slip magnitude limit, obtaining a requested auxiliary brake torque, engaging the primary brake system at a torque determined in dependence of the requested auxiliary brake torque, while monitoring a wheel slip value, determining an allowable auxiliary brake torque in dependence of the requested auxiliary brake torque and the wheel slip value, and engaging the auxiliary brake system at the allowable auxiliary brake torque.Type: ApplicationFiled: December 10, 2019Publication date: January 5, 2023Applicant: VOLVO TRUCK CORPORATIONInventors: Leo LAINE, Anders ERIKSSON, Gustav NEANDER, Jan-Inge SVENSSON
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Publication number: 20220148342Abstract: The invention relates to a method for predicting maintenance/replacement period for a component of a vehicle, the vehicle comprising a power-assisted steering system including a steering actuator (14) configured to assist in steering the vehicle at least as compensation for angular deviations of the road wheels (16) caused by road disturbances. The method comprises acquiring over time steering output data indicative of a magnitude and/or frequency of assisted steering as compensation for angular deviations of the road wheels (16) caused by road disturbances, comparing the acquired steering output data with stored component wear data, the stored component wear data being indicative of when maintenance/replacement of the component is due based on wear caused by road disturbances, and determining, based on the comparison of the acquired steering output data and the stored component wear data, whether or not maintenance/replacement of the component is due. The invention also relates to a system (10).Type: ApplicationFiled: March 22, 2019Publication date: May 12, 2022Inventors: Mats Fagergren, Jan-Inge Svensson, Gustav Neander
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Publication number: 20210284231Abstract: The invention relates to a method of controlling steering of a vehicle (1), comprising the steps of: acquiring (S1) a signal indicative of a driver request indicative of a desired wheel angle of a turnable vehicle wheel (5); determining (S2), based on the signal indicative of the driver request, a control signal for an actuator (13) coupled to the turnable vehicle wheel to achieve the desired wheel angle; controlling (S3) the actuator (13) using the control signal; detecting (S4) an abrupt wheel disturbance event; and in response to detecting the abrupt wheel disturbance event: acquiring (S5), from a lane detecting arrangement (19), a signal indicative of a lane curvature ahead of the vehicle (1); and controlling (S6) the actuator (13) based on the lane curvature ahead of the vehicle (1).Type: ApplicationFiled: June 27, 2018Publication date: September 16, 2021Inventors: Gustav Neander, Jan-Inge Svensson, Mats Fagergren
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Publication number: 20210276614Abstract: The invention relates to a steering assembly (12) for a vehicle (10). The steering assembly (12) comprises a first steering actuator (14) and a second steering actuator (16). The first steering actuator (14) is adapted to be actuated in accordance with at least one signal issued from a motion control system (18) to control a steering angle of at least one steerable ground engaging member (20, 22) of the vehicle (10) to thereby control the steering of the vehicle (10). The first steering actuator (14) is associated with a first nominal steering capability, defining at least one limitation of at least one of the following: steering angle, steering angle rate and steering torque, for the at least one steerable ground engaging member (20, 22).Type: ApplicationFiled: June 25, 2018Publication date: September 9, 2021Inventors: Leo Laine, Jan-Inge Svensson, Lionel Farres, Christian Oscarsson, Leon Henderson, Jose Vilca, Kristoffer Tagesson, Johanna Majqvist
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Patent number: 9751557Abstract: A method is provided for assisting a driver of a vehicle during operation by providing the driver with a desired steering feel. The method includes determining a desired steering device guiding force including a part representing a desired friction in a steering arrangement, and providing the driver with the desired steering feel based on the determined steering device guiding force.Type: GrantFiled: June 29, 2009Date of Patent: September 5, 2017Assignee: Volvo Lastvagnar ABInventors: Jan-Inge Svensson, Jochen Pohl, Sten Ragnhult, Johan Hultén
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Patent number: 9227633Abstract: A method for changing a vehicle's trajectory, wherein the vehicle includes a steering arrangement including a manual steering device, at least one pair of ground engaging members and a mechanical interconnection therebetween, includes the steps of applying a braking force to at least one of the ground engaging members so that the vehicle's trajectory is changed, and simultaneously suppressing steering device disturbances resulting from the mechanical interconnection.Type: GrantFiled: September 28, 2013Date of Patent: January 5, 2016Assignee: Volvo Lastvagnar ABInventors: Jan-Inge Svensson, Jochen Pohl, Sten Ragnhult
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Patent number: 9102355Abstract: A method is provided for assisting a driver of a vehicle during operation by providing the driver with a desired steering feel, wherein the vehicle includes a steering arrangement including a manually operated steering device, at least one pair of ground engaging members and a mechanical interconnection between the steering device and the ground engaging members. The method includes detecting a steering angle and determining a desired steering device guiding force based on the detected steering angle, providing the driver with the desired steering feel based on the desired steering device guiding force, and detecting the steering angle in a position at a ground engaging member side of an elastic steering force transmitting element in the steering arrangement.Type: GrantFiled: June 29, 2009Date of Patent: August 11, 2015Assignee: Volvo Lastvagnar ABInventors: Jan-Inge Svensson, Sten Ragnhult
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Patent number: 8738231Abstract: A method for assisting a driver of a vehicle during operation in order to avoid an undesired situation based on a current driving scenario includes predicting if a first guiding force to a vehicle steering device is desired in order to avoid the undesired situation and, if the first guiding force is desired, predicting a total guiding force comprising the first guiding force, which would be applied to the steering device for avoiding the undesired situation, comparing the predicted total guiding force with a limit value, and if the predicted total guiding force exceeds the limit value, in advance, deciding whether to apply the predicted total guiding force to the steering device for avoiding the undesired situation or not.Type: GrantFiled: June 29, 2009Date of Patent: May 27, 2014Assignee: Volvo Lastvagnar ABInventors: Jan-Inge Svensson, Jochen Pohl, Sten Ragnhult, Johan Hultén
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Publication number: 20140032052Abstract: A method for changing a vehicle's trajectory, wherein the vehicle includes a steering arrangement including a manual steering device, at least one pair of ground engaging members and a mechanical interconnection therebetween, includes the steps of applying a braking force to at least one of the ground engaging members so that the vehicle's trajectory is changed, and simultaneously suppressing steering device disturbances resulting from the mechanical interconnection.Type: ApplicationFiled: September 28, 2013Publication date: January 30, 2014Applicant: VOLVO LASTVAGNAR ABInventors: Jan-Inge SVENSSON, Jochen POHL, Sten RAGNHULT
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Publication number: 20120265403Abstract: A method for assisting a driver of a vehicle during operation in order to avoid an undesired situation based on a current driving scenario includes predicting if a first guiding force to a vehicle steering device is desired in order to avoid the undesired situation and, if the first guiding force is desired, predicting a total guiding force comprising the first guiding force, which would be applied to the steering device for avoiding the undesired situation, comparing the predicted total guiding force with a limit value, and if the predicted total guiding force exceeds the limit value, in advance, deciding whether to apply the predicted total guiding force to the steering device for avoiding the undesired situation or not.Type: ApplicationFiled: June 29, 2009Publication date: October 18, 2012Applicant: VOLVO LASTVAGNAR ABInventors: Jan-Inge Svensson, Jochen Pohl, Sten Ragnhult, Johan Hultén
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Publication number: 20120109465Abstract: A method for changing a vehicle's trajectory, wherein the vehicle includes a steering arrangement including a manual steering device, at least one pair of ground engaging members and a mechanical interconnection therebetween, includes the steps of applying a braking force to at least one of the ground engaging members so that the vehicle's trajectory is changed, and simultaneously suppressing steering device disturbances resulting from the mechanical interconnection.Type: ApplicationFiled: June 29, 2009Publication date: May 3, 2012Applicant: VOLVO LASTVAGNAR ABInventors: Jan-Inge Svensson, Jochen Pohl, Sten Ragnhult
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Publication number: 20120109466Abstract: A method is provided for assisting a driver of a vehicle during operation by providing the driver with a desired steering feel. The method includes determining a desired steering device guiding force including a part representing a desired friction in a steering arrangement, and providing the driver with the desired steering feel based on the determined steering device guiding force.Type: ApplicationFiled: June 29, 2009Publication date: May 3, 2012Applicant: VOLVO LASTVAGNAR ABInventors: Jan-Inge Svensson, Jochen Pohl, Sten Ragnhult, Johan Hultén
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Publication number: 20120101687Abstract: A method is provided for assisting a driver of a vehicle during operation by providing the driver with a desired steering feel, wherein the vehicle includes a steering arrangement including a manually operated steering device, at least one pair of ground engaging members and a mechanical interconnection between the steering device and the ground engaging members. The method includes detecting a steering angle and determining a desired steering device guiding force based on the detected steering angle, providing the driver with the desired steering feel based on the desired steering device guiding force, and detecting the steering angle in a position at a ground engaging member side of an elastic steering force transmitting element in the steering arrangement.Type: ApplicationFiled: June 29, 2009Publication date: April 26, 2012Applicant: Volvo Lastvagnar ABInventors: Jan-Inge Svensson, Sten Ragnhult
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Patent number: 8108117Abstract: The invention relates to a method for measuring and estimating a brake factor in a vehicle brake system, said vehicle including a towing vehicle and a trailer having a plurality of wheel axles, wherein said method includes: initiating a controlled braking manoeuvre involving at least a first wheel axle and a second wheel axle; and obtaining values representing said brake factor for said wheel first wheel axle and said second wheel axle by a control unit which is provided with a brake adaptation function to obtain a brake balance between said towing vehicle and said trailer.Type: GrantFiled: October 5, 2007Date of Patent: January 31, 2012Assignee: Volvo Lastvagnar ABInventors: Peter Lingman, Jan-Inge Svensson, Sören Bystedt
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Publication number: 20100211279Abstract: The invention relates to a method for measuring and estimating a brake factor in a vehicle brake system, said vehicle including a towing vehicle and a trailer having a plurality of wheel axles, wherein said method includes: initiating a controlled braking manoeuvre involving at least a first wheel axle and a second wheel axle; and obtaining values representing said brake factor for said wheel first wheel axle and said second wheel axle by a control unit which is provided with a brake adaptation function to obtain a brake balance between said towing vehicle and said trailer.Type: ApplicationFiled: October 5, 2007Publication date: August 19, 2010Applicant: VOLVO LASTVAGNAR ABInventors: Peter Lingman, Jan-Inge Svensson, Sören Bystedt
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Patent number: 7404316Abstract: A method for estimating the friction coefficient between the stator and the rotor in a braking device including the following method steps: measurement of the temperature of the braking device, establishment of the friction coefficient by calculating the relationship between a measure of thermal energy generated by the rotor and the stator during a time interval and a measure of braking energy absorbed by the rotor and the stator during the same time interval, in which the generated thermal energy is calculated from a function of the measured temperature. The method is preferably used in calculating a correction factor for trailer compensation.Type: GrantFiled: June 3, 2006Date of Patent: July 29, 2008Assignee: Volvo Lastvagnar ABInventor: Jan-Inge Svensson
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Publication number: 20080129625Abstract: The invention discloses an antenna (100, 100?, 400, 500) comprising walls in a conducting material: first (110, 410, 510) and second (120, 420, 520) main walls, a first end wall (130, 530) and a first and a second side wall. The first (110, 510) and second (120, 520) main walls extend in parallel to each other, and are joined by the first end wall (130, 530). The side walls also join the first and second main walls, so that a cavity with only one opening (105, 205, 505) is formed, a rectangular aperture which can be brought to radiate by a feed connection (207). Suitably, the antenna can also comprise a second end wall (140, 540) which extends from the second main wall (120) towards the first main wall (110), with the length of extension of the first main wall being such that the second end wall and the first main wall do not meet.Type: ApplicationFiled: July 13, 2004Publication date: June 5, 2008Inventors: Bengt Inge Svensson, Anders Hook, Martin Nils Johansson, Joakim Johansson
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Publication number: 20060220449Abstract: A method for estimating the friction coefficient between the stator and the rotor in a braking device including the following method steps: measurement of the temperature of the braking device, establishment of the friction coefficient by calculating the relationship between a measure of thermal energy generated by the rotor and the stator during a time interval and a measure of braking energy absorbed by the rotor and the stator during the same time interval, in which the generated thermal energy is calculated from a function of the measured temperature. The method is preferably used in calculating a correction factor for trailer compensation.Type: ApplicationFiled: June 3, 2006Publication date: October 5, 2006Applicant: VOLVO LASTVAGNAR ABInventor: Jan-Inge SVENSSON