Volvo Trucks Patente

A computer system (800) comprising processing circuitry (802) configured to assist in operating a vehicle (1) is provided. The processing circuitry (802) is configured to obtain characteristics indicative of physical attributes and/or capabilities of the vehicle (1). The processing circuitry (802) is configured to determine a maneuver to be performed by the vehicle (1). The processing circuitry (802) is configured to, based on the characteristics of the vehicle (1), identify one or more conditions (2) for the maneuver to be achievable. The processing circuitry (802) is configured to issue conditional information indicating at least one of the one or more conditions (2) to at least one an entity controlling the vehicle (1).

A method for controlling a powertrain (7) of a vehicle (1), the powertrain comprising a device (11) for converting energy for driving wheels (4), an engine (15), configured for providing energy to the device, a kinetic energy recovery system (17) switching between a suppling configuration in which the kinetic energy recovery system provides energy and a charging configuration in which the kinetic energy recovery system is charged. The powertrain switches between a regenerative configuration in which the kinetic energy recovery system is in the charging configuration and the device is powered by the engine, and a powered configuration in which the kinetic energy recovery system is in the supplying configuration. The method comprises at least one regeneration-power cycle, comprising the steps of controlling the powertrain in the regenerative configuration, switching the powertrain from the regenerative configuration to the powered configuration; and controlling the powertrain in the powered configuration.

A computer system (100; 800) for privilege-based battery pack data transmission, the computer system (100; 800) comprising processing circuitry (102; 802) configured to authenticate a portable client device (10) in response to said portable client device (10) being within an identifiable distance (d) of a battery pack (20); based on the authentication, obtain a privilege level (12) of the portable client device (10), wherein the obtained privilege level (12) indicates battery pack data (30) allowed to be transmitted from the battery pack (20) to the portable client device (10); and cause wireless transmission of said battery pack data (30) from the battery pack (20) to the portable client device (10) based on the obtained privilege level (12).

The invention concerns a fuel supply system (1) for supplying high-pressure gaseous hydrogen fuel to an internal combustion engine (10), the system (1) comprising: a hydrogen fuel tank arrangement (2, 3) and a fuel delivery line (4) arranged to deliver gaseous hydrogen from the hydrogen fuel tank arrangement (2, 3) to the internal combustion engine (10), wherein the hydrogen fuel tank arrangement comprises at least one gas-phase tank (2) configured to contain high-pressure gas-phase hydrogen and at least one liquid tank (3) configured to contain liquid hydrogen, wherein a controllable heater (5, 6) is arranged in association with the at least one liquid tank (3) so as to heat and vaporize the liquid hydrogen when activating the heater (5, 6), wherein the system (1) is configured to direct the heated and vaporized hydrogen into the fuel delivery line (4) as a complement or alternative to hydrogen gas directed into the fuel delivery line (4) from the gas-phase tank (2).

An electrical machine system (10), comprising: an electrically excited synchronous machine (20) comprising a stator (220) having a plurality of stator windings (222), and a rotor (230) having a plurality of rotor windings (236), a transformer (240) comprising a stationary primary winding (242) and a secondary winding (244) arranged on the rotor (230); wherein the electrically excited synchronous machine (20) further comprises a voltage pulse width modulator (246) configured to receive a control signal (|v|*) used to control the field currents of the rotor windings (236); wherein the electrical machine system (10) further comprises an inverter (30) connected to the stator (220) and configured to supply phase currents (ia, ib, ic) to the stator windings (222); and wherein the inverter (30) is further configured to provide the control signal (|v|*) to the voltage pulse width modulator (246).

A vehicle includes an imaging system including a first camera and a second camera in a housing mounted to the vehicle, and a processing circuit that uses a first calibration information obtained from a calibration of the first camera to generate a second calibration information to calibrate the second camera. The first calibration information identifies a first position difference between a position of the first camera and a reference position, and also identifies a first orientation difference between an orientation of the first camera and a reference orientation. The second calibration information includes a second position difference between the second camera and the reference position, and a second orientation difference between the second camera and the reference orientation. Generating the second calibration information includes combining the first calibration information with translation information providing a position difference and an orientation difference between the first camera and the second camera.

A flywheel arrangement (1) for an engine (5) of a vehicle (3), comprising:- a flywheel configured to be connected to a crankshaft of the engine for common rotation around a center axis,- at least one pendulum weight arranged between the center axis and a radially peripheral surface of the flywheel, the at least one pendulum weight being movable with respect to the flywheel along a predetermined pendulum path,- a ring member positioned radially outside of the at least one pendulum weight, the ring member being connected for common rotation with the flywheel around the center axis,- at least one pair of cooperating bearing surfaces, each pair of cooperating bearing surfaces comprising an outer bearing surface provided on the ring member and an inner bearing surface provided on the at least one pendulum weight, the at least one pair of cooperating bearing surfaces together defining the predetermined pendulum path.

The invention relates to an internal latch (44) for internally latching a door (22) of a vehicle (10) with respect to a cabin abutment member (38) of the vehicle, comprising: - a base (50) which is configured for attachment to an internal side of the door (22); - a clasp assembly (52) comprising a clasp (54), where the clasp (54) exhibits, with respect to the base (50), a storage position and a latching position, and where the clasp assembly (52) is attached to the base (50) by a deployment linkage (56) allowing the clasp assembly (52) to deploy from a retracted position, when the clasp (54) is in the storage position, to a deployed position, when the clasp (54) is in the latching position, according to a deployment movement; wherein the base (50), the clasp assembly (52) and the deployment linkage (56) form an articulated polygon.

A computer system (900) comprising processing circuitry (902) configured to estimate an effective wheelbase (30) of a vehicle unit (100) is provided. The effective wheelbase (30) of the vehicle unit (100) is a distance between a first position (10c) of a first coupling point or a first axle group (1) of the vehicle unit (100), to a second position (20c) of a second axle group (2) of the vehicle unit (100). The processing circuitry (902) is configured to obtain multiple candidate estimations of the effective wheelbase (30). The multiple candidate estimations have been estimated using different estimation models. The processing circuitry (902) is configured to estimate the effective wheelbase (30) based on the multiple candidate estimations.

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A computer system (1000) comprising processing circuitry (1002) configured to determine whether a combination vehicle (1) is unstable is provided. The combination vehicle (1) comprises a tractor (10) and a plurality of trailers (12). The plurality of trailers (12) comprises a first trailer (11). The processing circuitry (1002) is configured to obtain vehicle condition signals indicative of a status of the combination vehicle (1). The processing circuitry (1002) is configured to obtain relative positions of the first trailer (11), relative to the tractor (10). The processing circuitry (1002) is configured to, estimate a motion (m1, m2) of the plurality of trailers (12). based on the relative positions of the first trailer (11) and the status of the combination vehicle (1).The processing circuitry (1002) is configured to, determine whether or not the combination vehicle (1) is unstable based on the estimated motion (m1, m2) of the plurality of trailers (12).

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The invention relates to a computer-implemented method performed for alerting the presence of one or more combination vehicles. Each combination vehicle out of the one or more combination vehicles comprises a first vehicle unit and one or more second vehicle units. The one or more combination vehicles is provided with a plurality of alerting units. Each respective first vehicle unit and respective one or more second vehicle units comprises a respective alerting unit out of the plurality of alerting units. The method comprises obtaining (301) movement data from at least one data communicating unit comprised in any one of the one or more combination vehicles. The movement data is indicative of one or both of a current movement or an expected movement of the one or more combination vehicles. The method further comprises, based on the obtained movement data, determining the current movement and/or the expected movement of the one or more combination vehicles. The method further comprises, when any one or both of the current movement and the expected movement is non-zero, and when any one or both of the current movement and the expected movement of the one or more combination vehicles is/are less than at least one predetermined threshold, triggering a sound alert on the plurality of alerting units.

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A drive axle system for a heavy-duty vehicle, comprising a drive axle, said drive axle comprising a drive axle housing and at least one drive axle shaft (20), the drive axle shaft (20) having a total length measured along the shaft axis. The drive axle shaft (20) comprises a primary half-shaft (41) comprising primary radial members (50) and a primary reference hole (48) and a secondary half-shaft (42) comprising secondary reference holes (56, 57, 58), offset relative to each other along the shaft axis (T20), secondary radial members (70), and a fastener (43). The fastener (43) is inserted into the primary reference hole (48) and into one of the secondary reference holes (56, 57, 58) that coincides with the primary reference hole (48) through which the fastener (44) is inserted, for fixing the total length.

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A computer-implemented method for handling an axle configuration of a vehicle is provided. The axle configuration is indicative of a number of axles of the vehicle. The method comprises obtaining (802) vehicle condition data indicative of at least one load applied to the vehicle. The method comprises obtaining (803) the axle configuration of the vehicle. The method comprises obtaining estimating (804) a current weight of the vehicle based on the obtained vehicle condition data and based on the axle configuration of the vehicle. The method comprises obtaining (805) a previously estimated weight of the vehicle. The method comprises, based on a difference between the previously estimated weight and the current weight of the vehicle, predicting (806) whether there has been a change in the axle configuration of the vehicle.

The invention relates to a method for adapting a urea deposit build up model used for estimating an amount of urea deposits in an aftertreatment system of a vehicle (1) comprising a catalytic reduction device (306). The invention also relates to an exhaust aftertreatment system, a vehicle comprising such a system, a computer program, a computer readable medium and a control unit (100) configured to perform the method.

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