Abstract: A radar sensor system has a radar sensor arranged to be mounted onto a rotatable wheel axle of a heavy-duty vehicle, where the radar sensor is arranged to generate a distance data sequence during rotation of the wheel axle, and a control system arranged to receive the distance data sequence from the radar sensor and to determine a distance between the wheel axle and a road surface supporting the heavy-duty vehicle, normal to the road surface, based on the distance data sequence.

Abstract: 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.

Abstract: A controller for controlling an electric machine used to propel and/or brake an electric vehicle. The controller is configured to obtain an indication of a desire to use the electric machine to brake the vehicle and, in response to obtaining the indication, and as part of controlling the electric machine, intentionally increase core magnetization losses in the electric machine. Provided is also a laminated stator and/or rotor for an electric machine, wherein an insulation material of the stator and/or rotor is selected to have an electric conductivity that increases with frequency. A corresponding vehicle, method, computer program (product) and computer-readable storage medium are also provided.

Abstract: A method for determining aging of a fuel cell system for a vehicle, comprising identifying a future interval in terms of time or distance during which the fuel cell system is expected to operate at stationary operating conditions, obtaining measurement values pertaining to at least one fuel cell parameter indicative of degradation of the fuel cell system during the identified interval, and determining an aging state of the fuel cell system using the measurement values.

Abstract: An auxiliary hull unit detachably mounted to a transom on a marine vessel, wherein the hull unit is mounted at least partially below the water line of the vessel and arranged to extend rearwards parallel to the rearward extension of hull sections adjacent to the hull unit. The hull unit comprises a rear hydrofoil system for the marine vessel; the rear hydrofoil system comprising at least one pair of foldable hydrofoils which are pivotable in a lateral direction relative to the hull unit, wherein each hydrofoil is controllable by at least one actuator for displacement of the at least one pair of foldable hydrofoils in the lateral direction of the hull unit between a stowed position and a deployed position. The hull unit can be provided with a propulsion unit.

Abstract: The present disclosure relates to an air management system and a method for controlling an intake air pressure and an exhaust back pressure of a fuel cell system. It further relates to an arrangement comprising a fuel cell system and such an air management system, and to a vehicle. The air management system includes an air pressurizing device arranged to feed intake air to an air compressor of the fuel cell system, a pressure regulating device arranged for regulating the exhaust back pressure, a pressure detection device for detecting an ambient air pressure, and a control device configured to control the air pressurizing device and the valve in dependence on the detected ambient air pressure, wherein the control device is configured to control the intake air pressure to a predetermined first pressure level, and to control the exhaust back pressure to a predetermined second pressure level.

Abstract: A vehicle includes a first axle provided with at least a pair of first wheels, and a second axle provided with at least a pair of second wheels. The second axle is a steered axle allowing said second wheels to be turned. At least one first electric machine provides propulsion torque to the first axle. At least one second electric machine provides propulsion torque to the second axle. A control unit is configured to control the first and second electric machines, wherein the control unit is configured to limit the propulsion torque provided by said at least one second electric machine in dependence of a current state of the second axle.

Abstract: The fuel cell system includes a fuel cell arranged to receive ambient air at a cathode inlet, and a tank arrangement fluidly connectable to the cathode inlet. The fuel cell system is configured to supply oxygen based fluid from the tank arrangement when a toxic substance level of the ambient environment is above the predetermined threshold limit.

Abstract: A control unit for controlling at least one torque generating MSD on a heavy-duty vehicle. The control unit receives a motion request indicative of a desired positive longitudinal tire force to be generated by the torque generating MSD, obtains an estimated applied torque indicative of a current torque generated by the torque generating MSD, determines a target wheel speed based on the motion request and on the estimated applied torque, and configures the torque generating MSD to maintain the target wheel speed. The control unit is arranged to decrease the target wheel speed in case an increase in configured wheel speed results in a decrease in the estimated applied torque.

Abstract: The invention relates to an electric traction motor, comprising: a motor shaft; a rotor fixed to the motor shaft; a stator coupled to the rotor; and a motor frame fixed to the stator. A first and a second ends of the motor shaft are situated outside of the motor frame. The motor shaft comprises: a main channel, extending between the first and the second ends of the motor shaft; and a plurality of secondary channels connected to an end of the main channel. The motor also comprises a fan attached to the second end of the motor shaft, so as to generate an air flux through the main channel and secondary channels.

Abstract: An electric machine for a heavy-duty vehicle, the electric machine including a stator and a rotor separated by an air gap, where the stator includes a stator reconfiguration device arranged to modify a magnetic property of the stator, wherein the stator is mechanically reconfigurable by the stator reconfiguration device to allow control of magnetic flux in the air gap.

Abstract: Techniques for automatic reading of marked consumables are disclosed. The techniques involve a reader having a plurality of sensors for receiving a marked consumable and detecting includes markings on the consumable, regardless of the orientation of the consumable to the reader.

Abstract: An electric energy dissipating system for a vehicle. An air flow producing unit provides a pressurized air flow through a fluid conduit. A polyphase electric machine runs on a predefined number of phases. The air flow producing unit is mechanically connected to, and operated by, the electric machine. An electric brake resistor arrangement is located downstream of the air flow producing unit, and comprises one resistor unit for each one of said phases. An electric power system is configured to receive electric power generated by an electric traction motor during braking of the vehicle. The power system comprises an inverter which converts a DC input into a polyphase AC output. The electric machine and the resistor arrangement are electrically connected to the inverter in parallel, such that each phase of the AC output of the inverter is connected to a respective phase of the electric machine and to a respective resistor unit, in parallel.

Abstract: A method for operating a fuel cell system comprising one or more fuel cells and a cooling system with a cooling fluid for cooling the one or more fuel cells during use, the method comprising obtaining a shutdown request for the fuel cell system; predicting a future shutdown time period; in response to detecting that the future shutdown time period is shorter than a predetermined degradation time window for the one or more fuel cells, operating the cooling system so as to reduce the temperature of the one or more fuel cells.

Abstract: The present disclosure relates to a driveline for a vehicle. The driveline includes a set of electric machines with variable regeneration efficiency level. The set of electric machines with variable regeneration efficiency level includes at least one electric machine with variable regeneration efficiency level. An electric machine with variable regeneration efficiency level is such that the relation between electric energy and thermal energy produced the electric machine during regeneration can be varied. The driveline includes a cooling system connected to each electric machine in the set of electric machines such that the cooling system can remove heat generated by each electric machine in the set of electric machines.

Abstract: A motion support device, MSD, control unit for a heavy duty vehicle, configured to control one or more MSDs associated with a wheel on the vehicle, wherein the MSD control unit is configured to be communicatively coupled to a vehicle motion management, VMM, unit for receiving control commands from the VMM unit comprising wheel speed and/or wheel slip requests to control vehicle motion by the one or more MSDs. The MSD control unit is configured to obtain a capability range indicating a range of wheel behaviors of the wheel for which the VMM unit is allowed to influence the behavior of the wheel by the control commands, monitor wheel behavior and to detect if wheel behavior is outside of the capability range, and trigger a control intervention function in case the monitored wheel behavior is outside of the capability range.

Abstract: A method for diagnosing a part of a powertrain system is provided. The powertrain system comprising an internal combustion engine system having an internal combustion engine provided with a plurality of cylinders, each cylinder being provided with an air inlet valve and an exhaust gas valve, the method comprising the steps of operating any one of the inlet valve and the exhaust valve for any one of the cylinders to adjust the frequency and/or duration of air pulses during different load conditions of the internal combustion engine; determining an operational behaviour of the part of the powertrain system in response to the adjusted frequency and/or duration of the air pulses; and comparing the determined operational behaviour of the part of the powertrain system with an expected behaviour of the part of the powertrain system.

Abstract: A tire heating system for a vehicle, the heating system comprising an-electric power system configured to assume at-energy generating mode, an energy storage system electrically connected to the electric power system, a tire heating arrangement electrically connected to the electric power system and configured to heat tire of a wheel of the vehicle by electric power received from the electric power system, and control unit connected to the electric power system and to the energy storage system, the control unit comprising control circuitry configured to determine energy power absorption capability of the energy storage system; compare the energy power absorption capability with the electric power generated by the electric power system when electric power system assumes the energy generating mode; and control the electric power system to feed electric power to tire heating arrangement when the electric power generated in energy generating mode exceeds energy power absorption capability.

Abstract: An electric machine drive arrangement for a heavy-duty vehicle. The electric machine drive arrangement comprises an electric machine. The electric machine drive arrangement further comprises a brake arrangement connected to the electric machine. The electric machine drive arrangement further comprises a braking resistor controller configured to control the brake arrangement. The braking resistor controller has a primary power feed connection and a back-up power feed connection. The back-up power feed connection is connected to an alternating current side of the electric machine for the electric machine to supply back-up power to the braking resistor controller.

Abstract: A computer system for a heavy-duty vehicle has a fuel-cell system and an electrical energy storage system. The computer system comprises processing circuitry configured to identify a downhill portion of a trip to be undertaken by the heavy-duty vehicle, determine at least two candidate routes leading from a starting location along the trip to an onset of the downhill portion of the trip, predict a state of energy, SoE, of the battery system at the onset of the downhill portion for each candidate route, and select a proposed route out of the candidate routes at least in part based on the predicted SoE for each candidate route and on an estimated amount of energy regenerated by traversing the downhill portion of the trip.