Abstract: An electrical energy storage system has a plurality of electrical energy storage packs each including at least one electrical energy storage cell, the electrical energy storage packs comprising a switch that controls a connection between two ports of the respective electrical energy storage pack. An electrical wire loop forms a closed circuit by connecting the electrical energy storage packs in series at two of their ports. One of the electrical energy storage packs supplies the electrical wire loop with an electric current, and an alarm device electrically is connected to the electrical wire loop to receive the electric current that passes through all electrical energy storage packs of the electrical energy storage system. The alarm device provides an alarm output when the closed circuit is broken.

Abstract: A system for determining a wheel slip ? of a wheel on a heavy-duty vehicle is provided. The system comprises at least two antenna elements separated by a distance, a first processing unit arranged to receive a radio signal via the at least two antenna elements, to correlate the received radio signals against each other and to determine a speed over ground of the vehicle based on the correlation of the received radio signals. The system also comprises a wheel speed sensor arranged to determine a rotational velocity of the wheel, and a second processing unit arranged to determine the wheel slip of the wheel based on the rotational velocity of the wheel and on the speed over ground of the vehicle.

Abstract: A computer system for controlling a fuel cell system during a vehicle stop of a vehicle is described. The computer system has processing circuitry configured to obtain a stop duration of the vehicle stop; calculate a storage capacity of a vehicle battery of the vehicle as a difference between a current state of charge of the vehicle battery and a target state of charge of the vehicle battery at the end of the stop duration; calculate a battery charging energy for the vehicle battery based on the storage capacity; determine a maximum feasible fuel cell power output of the fuel cell system for charging the vehicle battery using the battery charging energy; and control a charging mode of the fuel cell system based on the maximum feasible fuel cell power.

Abstract: A computer system detects an isolation fault in an electrical energy storage system comprising multiple electrical energy storage packs connected in parallel to a voltage bus. The electrical energy storage packs each comprising a set of electrical energy storage cells. The system disconnects all but one electrical energy storage pack from the voltage bus; determines an isolation resistance for each of the disconnected electrical energy storage packs, determines electrical energy storage cell temperatures for at least two cells in each of the disconnected electrical energy storage packs, and provides a first thermal runaway warning signal when the isolation resistance is below a predetermined threshold, and a second thermal runaway warning signal when one of the electrical energy storage cell temperatures of an electrical energy storage pack exceeds a temperature.

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.

Abstract: A vehicle calliper disc brake comprising a brake disc connected to a vehicle wheel and having inboard and outboard side surfaces and a rotational axis; an actuator arranged in a calliper housing to displace at least one piston to actuate the disc brake; the calliper housing having facing first and second side walls on opposite sides of the brake disc, where the first side wall has at least one piston slidably mounted in a cavity between the side walls and where the second side wall is part of a calliper bridge extending from the first wall and spanning the brake disc.

Abstract: A dolly adapted to be coupled to a semitrailer, where the dolly comprises a first steerable axle and a second axle provided with a drive unit, and where the dolly comprises a fifth wheel and a drawbar, where the dolly further comprises a cover having a front compartment in front of the first axle, where the front compartment comprises a first radiator, and where the cover comprises a first air opening adjacent the drawbar. In this way, a dolly with integral cooling is provided.

Abstract: A vehicle windshield wiper device comprising an articulated structure and a blade, the articulated structure comprising an arm transmitting mechanical forces to the blade, wherein the arm is mounted on an axle to provide an arm rotational movement corresponding to a wiping movement, wherein the arm is pivotably attached to the axle. The vehicle windshield wiper device also comprises an arm holder restraining the arm from pivoting when blade is in a parking position.

Abstract: A cargo bike, with a longitudinal orientation, has a driver area, which is positioned in front of the cargo bike in regard to the direction of travel of the cargo bike, a container for carrying articles, a pick-up area to accommodate said container, the pick-up area positioned to the rear of the driver area, the container operated by a tilting device that is configured to tilt the container longitudinally between a first end position in which the container is in the pick-up area and a second end position in which the container is to the rear of the pick-up area, and a system for fastening the container to the tilting device. The fastening system has two U-shaped rails arranged at an upper end of the container.

Abstract: A lubrication arrangement directs lubricant into an axial bore of a shaft rotating in a rotational direction around a rotational axis in a transmission system of a vehicle. The lubrication arrangement has a cup-shaped housing having an axially directed inner surface facing an end of the shaft and a radially directed inner surface facing a radially directed outer surface of the shaft; and a lubricant guide arranged between the axially directed inner surface of the housing and the end of the shaft and configured to guide lubricant impinging on the lubricant guide into the axial bore at the end of the shaft. The radially directed inner surface of the housing has a flow redirecting structure configured to guide lubricant impinging in a radial direction on the flow redirecting structure axially towards the lubricant guide.

Abstract: The disclosure relates to a battery module member for a battery module assembly for a battery pack, wherein the battery module member has a longitudinal extension in a longitudinal direction, a width extension in a width direction and a height extension in a height direction, and wherein the battery module member is formed as a frame configured to enclose and retain a plurality of battery cells, as seen in a sectional plane defined by the longitudinal direction and the width direction. The disclosure also relates to a battery module assembly, a battery pack and a vehicle.

Abstract: A computer system comprising processing circuitry configured to: receive an engine restart request for restarting an engine of a vehicle while the vehicle is moving; receive, directly from the engine, a signal encoding a real-time rotational speed of the engine; and control an actuator to gradually engage a clutch of a transmission coupled to rotating wheels of the vehicle in such a way that a rate of change of the real-time rotational speed of the engine is kept below a predefined threshold rate of change.

Abstract: A fuel cell system and a method for operating a fuel cell system in connection with start-up of the fuel cell system is described. The fuel cell system comprises an anode volume and a cathode volume, a fluid flow assembly comprising a plurality of fluid conduits and a fluid flow control device, wherein a recirculation circuit is formed when a fluid connection between the anode volume and the cathode volume is enabled a hydrogen gas supply device, and a recirculation device. The method comprising controlling the hydrogen gas supply device to supply the hydrogen gas, regulating the fluid flow control device such that the anode volume is fluidly connected to the cathode volume, controlling the recirculation device to recirculate the gas mixture in the fluid recirculation circuit such that the supplied hydrogen gas undergoes reaction with the residual oxygen during the recirculation.

Abstract: A system for positioning a vehicle at a charging station. The system comprises: a wireless communication arrangement comprising a first communication device configured to wirelessly communicate with a second communication device by a wireless protocol; a vehicle positioning arrangement comprising a transmitting antenna configured to transmit a detection signal, and a receiving antenna configured to receive the detection signal. The transmission of the detection signal by the transmitting antenna and/or the detection of the detection signal by the receiving antenna is controlled to determine an angle between the transmitting antenna and the receiving antenna, which angle is used to guide the vehicle to a predetermined position at the charging station. The first communication device comprises one of the transmitting antenna and receiving antenna of the vehicle positioning arrangement.

Abstract: A method for determining a tyre normal force range (Fz,min, Fz,max) of a tyre force (Fz) acting on a vehicle (100), the method comprising; obtaining (S1) suspension data (310) associated with a suspension system of the vehicle (100); obtaining (S2) inertial measurement unit, IMU, data (320) associated with the vehicle (100); estimating (S3), by a suspension-based estimator (330) a first tyre normal force range (Fz1,min, Fz1,max) based on the suspension data (310); estimating (S4), by an inertial force-based estimator (340), a second tyre normal force range (Fz2,min, Fz2,max) based on the IMU data (320); and determining (S5) the tyre normal force range (Fz,min, Fz,max) based on the first tyre normal force range (Fz1,min, Fz2,max) and on the second tyre normal force range (Fz2,min, Fz2,max).

Abstract: A modular electrical Energy Storage System structure for powering an electric motor in a vehicle. The modular ESS structure includes two or more electrical energy storage modules, the modular ESS structure extending in a longitudinal direction, in a transverse direction and in a vertical direction, the longitudinal direction coinciding with a driving direction of the vehicle, the two or more electrical energy storage modules being arranged side-by-side in the transverse direction, in the longitudinal direction and/or in the vertical direction and being connected to each other structurally and electrically. The modular ESS structure comprises a first mounting interface comprising one or more first connecting members configured for mounting to a vehicle structure.

Abstract: A computer-implemented method for detecting and reducing the amount of urea crystals in an exhaust aftertreatment system including at least one NOx sensor upstream of a urea injector is provided, The method includes: acquiring measurement values from the NOx-sensor; determining lambda values associated with the measurement values, wherein a lambda value being indicative of a ratio between an amount of air and an amount of fuel in a combustion chamber of an engine connected to the exhaust aftertreatment system; determining at least one ratio between the measurement values and the inverse of the determined lambda values, when the ratio between the measurement values and an inverse of the determined lambda values is equal to or exceeds a threshold, using a NOx engine emissions model for urea dosing control in the exhaust aftertreatment system.

Abstract: A cooling system in a fuel cell electric vehicle comprising a first chamber configured to contain relatively hot fluid and a second chamber configured to contain relatively cold fluid. The ratio of cooling power/fan power of a positive displacement device at a heat exchanger is monitored and thermal energy transfer between coolant and the chambers is controlled based on the ratio. When the ratio is above a pre-defined value or value range, thermal energy from the first chamber is provided to the coolant in the coolant circuit and passed into the heat exchanger, after which part of the thermal energy of cooled coolant leaving the heat exchanger is provided to and stored in the second chamber. The stored cold thermal energy is released from the second chamber when the ratio is below the pre-defined value or value range. The invention also relates to a method of controlling a cooling system.