Abstract: The present application relates to a power supply circuit of a vehicle, which power supply circuit comprises a first side (A) comprising a power source (14), a first battery pack (12) and first power consumers (16), a second side (B) connected in series with the first side (A), the second side (B) comprising a second battery pack (18) and second power consumers (20), an overload current breaker (22) provided between the first and the second side, said overload current breaker (22) having a pre-determined threshold breaking current (IThreshold) value, at which value the circuit is broken; a controller (24) connected to said power source for regulating voltage from said power source (14), the controller (24) being provided with said threshold breaking current (IThreshold) value, the controller further being operatively connected to devices (26, 28) providing information related to a current (Ich) through said overload current breaker (22).

Abstract: A control arrangement and a method for deactivating an adaptive cruise control system. The method comprises, in response to a determination of risk of loss of functionality of the adaptive cruise control system while the host vehicle is decelerated by the adaptive cruise control system, determining whether the host vehicle may be braked by the service brake system; and, if so, activating a first failure mode during which the adaptive cruise control system is maintained active to decelerate the host vehicle until a deceleration demand is below a predetermined threshold. The method further comprises, when the deceleration demand is below the predetermined threshold, either ramping down the braking demanded by the adaptive cruise control system over a predetermined period of time and thereafter deactivating the adaptive cruise control system, or directly deactivating the adaptive cruise control system.

Abstract: A method of controlling operation of a vehicle is disclosed, wherein the vehicle comprises an auxiliary braking system and a number of wheel axles each comprising wheels and wheel brakes controllable to brake the wheels, and wherein one or more of the number of wheel axles is a liftable wheel axle. The method comprises the step of controlling at least one of the one or more liftable wheel axles from a lifted position to a lowered position if the at least one liftable wheel axle is in the lifted position and a ratio between an estimated braking capacity of the auxiliary braking system and a current or impending braking need of the vehicle is below a first threshold ratio. The present disclosure further relates to a computer program, a computer-readable medium, a control arrangement, and a vehicle.

Abstract: A vehicle thermal management system is disclosed comprising a first and a second coolant circuit each comprising a coolant pump. The first coolant circuit comprises a coolant duct configured to conduct coolant flow through a portion of the first coolant circuit, and an expansion tank connected to the coolant duct. The system further comprises a first connecting conduit connecting the second coolant circuit to the coolant duct, and valve controllable between a first state in which the valve hinders flow of fluid through the first connecting conduit, and a second state in which the valve allows flow of fluid through the first connecting conduit. The present disclosure further relates to a vehicle comprising a vehicle thermal management system.

Abstract: A method of controlling inlet valves and exhaust valves of a cylinder of an internal combustion engine to obtain an engine braking effect is disclosed. The method comprises the steps of preventing at least one exhaust valve of the cylinder from closing completely during a plurality of successive intake, compression, expansion, and exhaust strokes of the cylinder, phase shifting control of at least one exhaust valve and regulating the amount of air being pumped through the cylinder by phase shifting control of at least one inlet valve of the cylinder. The present disclosure further relates to a computer program, a computer-readable medium, a control arrangement, an internal combustion engine, and a vehicle comprising an internal combustion engine.

Abstract: Control arrangement and method for reducing backlash in a vehicle, said vehicle comprising a first powertrain configured to provide propulsion torque to one or more first drive wheels of the vehicle, and a second powertrain configured to provide propulsion torque to one or more second drive wheels of the vehicle, wherein the first and second powertrains are mechanically separated from each other. The method comprises, when a requested net torque for the vehicle is within the deliverable torque of one of the first powertrain and the second powertrain, controlling the first powertrain to deliver a first torque to said one or more first drive wheels and the second powertrain to deliver a second torque to said one or more second drive wheels, the first torque and the second torque having opposite torque directions.

Abstract: A method, performed by a control arrangement, for heating a powertrain and/or a subsystem of a vehicle. Said vehicle comprises an electrical machine configured to provide propulsion power to one or more drive wheels of the vehicle and/or power a power take-off load. The method comprises, when the electrical machine is disconnected from said one or more drive wheels of the vehicle and/or said power take-off load, controlling the electrical machine so as to oscillate between a first rotational speed and a second rotational speed to thereby generate heat.

Abstract: The present invention relates to a method for adaption of an exhaust treatment system arranged for treating an exhaust stream produced by an engine, where the exhaust treatment system includes at least a first additive dosage device, a first selective catalytic reduction catalyst arranged downstream of the first additive dosage device, a second additive dosage device arranged downstream of the first selective catalytic reduction catalyst, and a second selective catalytic reduction catalyst arranged downstream of the second additive dosage device. The method includes initiating an adaption of the second selective catalytic reduction catalyst, and controlling, during the adaption of the second selective catalytic reduction catalyst, the first additive dosage device to inject additive in accordance with at least one injection rule being designed for the adaption.

Abstract: A control arrangement and a method for controlling travelling speed of a vehicle using a vehicle speed control system. The method comprises a step of, when the vehicle speed control system is expected to apply braking power using a service brake system and at least one of the one or more auxiliary brake systems of the vehicle while the vehicle travels an upcoming road section, predicting a future temperature profile for the service brake system based on a predetermined temperature model for the service brake system. The method further comprises a step of, when the predicted temperature profile demonstrates that the service brake system will reach a temperature above an upper temperature threshold, and optionally a first predefined criterion and/or a second predefined criterion is/are fulfilled, controlling the service brake system to reduce the vehicle speed.

Abstract: A control device and a method for enabling power steering of a vehicle in case of unintentional shutdown of a combustion engine of the vehicle are provided. The vehicle comprises, in addition to the combustion engine, a starter configured to crank the combustion engine and a hydraulic power steering system comprising a hydraulic pump configured to be driven by the combustion engine. The method comprises a step of, in response to an indication of need of power steering, activating the starter to crank the combustion engine so that the combustion engine drives the hydraulic pump. A computer program, a computer-readable medium and a vehicle are also provided.

Abstract: A method performed by a control arrangement for powering a vehicle, the vehicle comprising at least one first electric machine configured to provide a power to a first vehicle wheel, and at least one second electric machine configured to provide a power to a second vehicle wheel. The at least one first electric machine and the at least one second electric machine in the vehicle are interconnected by means of a hydraulic connection which enables the utilization of the available power from the electric machines by transferring excess power provided by one or more electric machines to a drive wheel or axle where additional power is required. The invention also relates also to a control arrangement, a vehicle comprising the control arrangement, and a computer program.

Abstract: A thermal management system for a vehicle is disclosed, wherein the vehicle comprises an occupant compartment and a propulsion system configured to provide motive power to the vehicle. The system comprises a propulsion coolant circuit configured to cool at least a portion of the propulsion system, a heating circuit configured to heat the occupant compartment, and a heat pump circuit comprising a first evaporator in the propulsion coolant circuit and a condenser in the heating circuit. The propulsion coolant circuit comprises a connecting conduit connecting the propulsion coolant circuit to the heating circuit at a position upstream of the condenser, and a first valve configured to control flow of coolant through the connecting conduit. The present disclosure further relates to a powertrain for a vehicle, as well as a vehicle.

Abstract: A method for degradation diagnosis of an electrochemical cell, comprising: determining a first open circuit potential, relative to a preselected potential scale, for a positive electrode and determining a second open circuit potential, relative to the preselected potential scale, for a negative electrode; obtaining a first charge value and a second charge value by comparing the determined first and second open circuit potentials to respective reference curves of open circuit potential, relative to the preselected potential scale, as a function of charge for the corresponding electrode; arranging the first and the second reference curves on a common charge scale so that the obtained first charge value and the obtained second charge value are equal on said common charge scale; and based on the first and second reference curves, determining remaining capacity as the difference in charge between a first predefined potential limit and a second predefined potential limit.

Abstract: The disclosure concerns a method for vibration reduction in a compression ignition four-stroke internal combustion engine. The internal combustion engine comprises exhaust and intake valves controlled by exhaust and intake camshafts. The method comprises, when operating the internal combustion engine below a threshold rotational speed, steps of: changing a timing of the exhaust camshaft to advance closing of the exhaust valve, and —changing a timing of the intake camshaft to delay opening of the intake valve.

Abstract: A temperature control system for a vehicle, comprising a main circuit comprising a tubing in which there is provided a coolant, a main circuit pump configured to pump said coolant through the tubing in a first direction. Connected in parallel to the main circuit are first and second sub-circuits for cooling or heating of components connected thereto. In the sub-circuits there are provided first and second pumps that pump coolant through said sub-circuits from a first end to second end at which the respective sub-circuit is connected the main circuit. The first end is upstream the second end as seen in the first direction in the first circuit, and the first end of the first sub-circuit and the first end of the at least one second sub-circuit are joined to a common tubing section which in its turn is connected to the tubing of the main circuit.

Abstract: A four point link suspension for a vehicle, wherein the suspension comprises: a first side suspension spring, configured to absorb a vertical load; a second side suspension spring, configured to absorb the vertical load, wherein the springs are configured to be connected to a vehicle frame via a respective joint; a stabilization frame, comprising a first side link arm having a first ending and a second ending connected to the first side suspension spring via a second joint; a second side link arm and a second ending connected to the second side suspension spring via a second joint; and a torsion bar, connecting the side link arms, which side link arms are tapered towards the respective first ending.

Abstract: A control device and a method for deriving an engine-out NOx concentration in an exhaust system comprising a SCR catalyst, a dosing device for dosing a reductant, a first NOx sensor arranged downstream of the dosing device and a second NOx sensor arranged downstream the SCR catalyst. The method comprises deriving engine-out NOx concentration based on a first concentration reading obtained from the first NOx sensor and a second concentration reading obtained from the second NOx sensor, said first concentration reading being obtained while the dosing device is in operation. An exhaust system as well as a vehicle comprising the control device are also provided.

Abstract: A control device and a method for controlling an exhaust gas aftertreatment system comprising a diesel particulate filter is provided. The method comprises a step of, in response to a determination that a temperature of an exhaust gas entering the diesel particulate filter is equal to or below 325° C., controlling a NOx concentration of the exhaust gas entering the diesel particulate filter to be equal to or less than 600 ppm. An exhaust gas aftertreatment system as well as a vehicle comprising the control device are also described.

Abstract: A thermal management system is disclosed configured to regulate the temperature of a number of vehicle components. The system comprises one expansion tank and two or more coolant circuits each configured to regulate the temperature of a vehicle component of the number of vehicle components. Each coolant circuit of the two or more coolant circuits comprises a heat exchanger configured to regulate the temperature of coolant in the coolant circuit, a coolant pump comprising a pump inlet, and a static line fluidly connecting the pump inlet to the expansion tank. The present disclosure further relates to a vehicle comprising a thermal management system.

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.