Abstract: A method for charging a plurality of electric battery units of a vehicle before a scheduled departure time, wherein the method comprises: waking up the vehicle to a wake-up mode; when the vehicle is in the wake-up mode, setting the vehicle in a charging mode; when the vehicle is in the charging mode, connecting one or more electric battery units of a subset of electric battery units of the plurality of electric battery units so as to charge the connected one or more electric battery units of the subset of electric battery units; and when the vehicle is in the charging mode, checking the status of the vehicle. A control arrangement for charging a plurality of electric battery units of a vehicle, wherein the control arrangement is configured to perform the method. A vehicle comprising such a control arrangement.

Abstract: A method for, during creep mode, performing gearshift in a vehicle powertrain comprising a combustion engine, a gearbox, and a clutch is provided. The method comprises, in response to a request for gearshift, disconnecting the combustion engine from the gearbox by opening the clutch. The method further comprises, when the combustion engine is disconnected from the gearbox, shifting the gearbox and controlling the speed of the combustion engine to a target speed. Said target speed constitutes a combustion engine speed corresponding a desired combustion engine torque for completing a torque ramp during closing of the clutch. The method further comprises connecting the combustion engine to the gearbox by closing the clutch. A control device configured to perform the method and a vehicle comprising the control device are also provided.

Abstract: The disclosure concerns an electric rotating machine, comprising a stator, a rotor arranged to rotate about a rotational axis in relation to the stator, and a cooling system for cooling at least a portion of the stator. The stator comprises a stator core and a stator coil, the stator coil having a coil end winding extending axially beyond the stator core. At least part of the coil end winding is arranged in a channel extending at least partially around the rotational axis. The cooling system comprises the channel and at least one inlet to the channel arranged at a radially inner portion of the channel seen along a radial extension.

Abstract: A method and control arrangement for controlling operation of a fan in a cooling system of a vehicle, wherein operation of the fan is controlled based on a temperature of a coolant in the coolant system meeting a set-temperature of the coolant. The method comprises monitoring an engine oil temperature of an engine of the vehicle during a plurality of driving cycles with the vehicle; and adjusting the set-temperature of the coolant based on a measure indicative of a plurality of maximum temperatures of the engine oil during the plurality of driving cycles.

Abstract: A centrifugal compressor impeller is disclosed for a charging device of an internal combustion engine. The impeller comprises a hub, a number of full blades arranged on the hub and being spaced in a circumferential direction of the impeller, and one splitter blade arranged between a pressure side of a first full blade and a suction side of a second full blade of the number of full blades. A leading edge of the splitter blade is arranged closer to the pressure side of the first full blade than the suction side of the second full blade. The present disclosure further relates to a charging device, an internal combustion engine, and a vehicle.

Abstract: A vehicle structure for impact protection, wherein the vehicle structure is attachable to a main body of a vehicle having a front end and a rear end, wherein the vehicle structure comprises a plurality of sections having a longitudinal extension extending in a longitudinal direction; and a front cover comprising a base. The section of the plurality of sections forms one or more longitudinal compartments. The sections of the plurality of sections are arranged beside one another so as to form a cellular structure. The base of the front cover is configured to be positioned between the front end of the vehicle and the plurality of sections. The front cover covers the plurality of sections and is configured to distribute impact energy to the plurality of sections. A vehicle comprising such a vehicle structure.

Abstract: A compressor arrangement for a turbocharger is disclosed. The compressor arrangement comprises a compressor housing and a compressor wheel arranged to rotate in the compressor housing. The compressor housing comprises a compressor inlet duct, a ported shroud, and a recirculation channel comprising an inlet arranged downstream of the compressor wheel, an outlet arranged in the compressor inlet duct at a position upstream of ports of the ported shroud, and a valve configured to control the flow of air through the recirculation channel. The compressor arrangement further comprises a wall section protruding into the compressor inlet duct at a position upstream of the outlet of the recirculation channel. The present disclosure further relates to a turbocharger, an internal combustion engine, and a vehicle.

Abstract: A method is performed by a control device (100) of a first module (30, 40) of a vehicle (1), for electrically disconnecting the first module (30, 40) from a second module (30, 40) that is physically connected to the first module (30, 40), wherein the assembled vehicle (1) is configured to communicate with a control center (200). The method includes: identifying (s101) that the assembled vehicle (1) is ready to be disassembled; inactivating (s102) communication means (50) in the first module (30, 40) for establishing the electrical disconnection; and transmitting (s103) a verification of the electrical disconnection to the control center (200).

Abstract: A control arrangement and a method for shutting down a combustion engine of a powertrain of a vehicle are disclosed. The vehicle comprises an intake air throttle arranged in an intake pipe of the combustion engine, and at least one auxiliary brake selected from the group consisting of; an exhaust brake and an electrical machine configured to operate as a generator. The method comprises in response to a command for shutdown of the combustion engine, stopping fuel injection to the combustion engine; controlling the intake air throttle so as to reduce the air intake to the combustion engine; and activating the at least one auxiliary brake so as to brake the combustion engine, if not already activated.

Abstract: The present disclosure relates to determining a following distance, between a vehicle and a vehicle travelling ahead. According to a first aspect, the disclosure relates to a method that comprises obtaining an amount of energy required to propel the vehicle along the upcoming road as a function of following distance to the vehicle travelling ahead and predicting, based on brake actuation performed by the vehicle during a previous time period, one or more driving disadvantages that will be caused by braking along an upcoming road as a function of the following distance. The method further comprises determining the following distance, based on the obtained amount and on the predicted driving disadvantages caused by braking along the upcoming road. The disclosure also relates to a corresponding control arrangement and computer program, and to a vehicle comprising the control arrangement.

Abstract: A control arrangement and a method for controlling vehicle speed of a vehicle using a cruise control system are provided. The vehicle comprises a power take-off connected to a powertrain of the vehicle. The method comprises a step of, in response to a determination that the power take-off is subjected to a load, predicting future braking torque resulting from the power take-off load. The method further comprises a step of determining a planned driving strategy for an upcoming road section taking into account the predicted future braking torque. The method further comprises controlling the powertrain in accordance with the planned driving strategy, thereby controlling vehicle speed of the vehicle.

Abstract: An electronic circuit breaker for a vehicle, comprising: an input configured to be connected to a DC power supply; an output configured to be connected to a load; said input connected to said output via a semiconductor switch with a linear region of operation, and a saturated region of operation, said semiconductor switch comprises a switch control input; a switch driver configured to control the semiconductor switch and comprising a switch control output; wherein said switch control output is connected to the switch control input via a pre-charge circuit comprising a turn-“ON” branch which is configured to cause the semiconductor switch to operate in the linear region of operation during turn-“ON”; and a turn-“OFF” branch which is configured to cause the switch to turn-“OFF”.

Abstract: The disclosure concerns a method and a control arrangement for controlling valve actuation of an ICE comprising an exhaust valve, an intake valve, and a turbo compressor. The method comprises and the control arrangement is configured to: limiting/limit valve actuation changes of the exhaust and intake valves based on compressor data including surge limit data for the turbo compressor and one or both of a current turbo compressor rotational speed and a current turbo compressor pressure ratio, to maintain a turbo compressor mass flow above a limit mass flow value.

Abstract: A method for discharging a capacitor. An active discharge circuit is connected in parallel with the capacitor. An interface provides a signal connection between a message-based communication system and the active discharge circuit. The interface comprises at least one input for receiving messages from the message-based communication system. The interface comprises a wake-up functionality. The at least one input comprises an input for the wake-up functionality. The method comprises: receiving at the input for the wake-up functionality a disable discharge command message of said messages for the disabling of the discharge of the capacitor, wherein upon cessation of the disable discharge command message the discharge of the capacitor is enabled. An apparatus for the discharge of a capacitor, wherein the apparatus comprises the interface and the active discharge circuit connectable in parallel with the capacitor.

Abstract: A method for controlling a vehicle (1) assembled from a set of modules (20). The vehicle (1) includes: at least one drive module (30); and at least one functional module (40). The at least one drive module (30) has a pair of wheels (32) and is configured to autonomously operate and drive the assembled vehicle (1) wherein the modules (30, 40, 70, 80) of the vehicle (1) are configured to communicate with the control device (100). The method includes: receiving (s101) data from the modules (30, 40, 70, 80) of the vehicle (1), wherein the data includes a value of at least one parameter associated with a current condition of the modules (30, 40, 70, 80); evaluating (s102) the received data by comparing the value of the at least one parameter with a predetermined value or value interval for the at least one parameter; and controlling (s103) the vehicle (1) based on the evaluation.

Abstract: A method of operating a compressed air system of a vehicle is disclosed. The compressed air system comprises a purge valve controllable to an open state to vent air from the compressed air system at a location between an air compressor and an air processing element. The method comprises the step of controlling the purge valve to the open state if data is indicative of at least one of a preceding, an ongoing and an upcoming accumulation of matter in at least one component of the compressed air system and maintaining the purge valve in the open state until the air pressure in the compressed air system declines below a threshold pressure. The present disclosure further relates to a computer program, a computer-readable medium, a control arrangement, a compressed air system, and a vehicle.

Abstract: An electronic circuit breaker comprising: an input connected to an electric DC power supply; an output connected to a load; the input connected to the output via a switch, said switch is controlled via a switch control line between an “ON”-state and an “OFF”-state; a switch driver connected to the switch control line, said switch driver configured to control the switch; and a switch protection, a voltage detection branch configured to output a first electric potential indicative of the electrical potential difference between the input and the output; a comparator circuit configured to compare the first electrical potential with a first threshold voltage, said first threshold voltage is indicative of an over-current level flowing through the switch; and a gate controller connected to the switch disable line and configured to disable the switch by connecting the switch control line to a potential which causes the switch to enter the “OFF”-state.

Abstract: A method of controlling operation of a vehicle is disclosed, wherein the method comprises the steps of monitoring a wheel slip of the wheels arranged at at least one leading wheel axle, and controlling a wheel torque of the wheels arranged at at least one trailing wheel axle based on the monitored wheel slip, a speed of the vehicle relative to the surface, and the distance/distances between the at least one leading wheel axle and the at least one trailing wheel axle. The present disclosure further relates to a computer program product, a computer readable medium, a control arrangement, and a vehicle.

Abstract: A method performed by a control arrangement for controlling a vehicle during a downhill start, the vehicle comprising an electric machine configured to propel and/or brake the vehicle and a brake system configured to apply a brake force to the vehicle. The method comprises, following a detection of a downhill start indication, when the vehicle is maintained stationary on an inclined road section by means of a brake force applied by a brake system, controlling the electric machine to apply a brake torque while controlling the brake system to release the applied brake force, and controlling the electric machine to gradually decrease the applied brake torque to control the acceleration of the vehicle when set in motion in a downhill direction on the inclined road section. Hereby, the downhill start is performed in a controlled, safe, and predictable way resulting in an increased comfort and drivability of the vehicle.

Abstract: A method is disclosed for changing an activation state of a power take-off (PTO) in a vehicle, where the activation state corresponds to either an activated state, where the PTO transfers a torque between the vehicle's power source for propelling the vehicle and an auxiliary load, or a deactivated state, where no torque is transferred by the PTO between the power source and the auxiliary load. The activation state of the PTO is changed by engaging or disengaging a clutch of the PTO. The method comprising, when the power source is connected to drive wheels of the vehicle, and the activation state of the PTO is to be changed, controlling the clutch to control a rate of change of torque transferred between the power source and the auxiliary load during the change of the activation state of the PTO based on at least one current operating condition of the vehicle.