Abstract: A method for determining a reference control profile for a vehicle, including determining (A1) a plurality of control profiles for the vehicle (1) based on topographic information for one and the same future route segment and selecting (A2) one of the plurality of control profiles as a reference control profile, the selection (A2) being based on a tradeoff criterion considering resource consumption and drivability of the plurality of control profiles. The disclosure also relates to a control arrangement (2) for determining a reference control profile for a vehicle (1) and a vehicle comprising the control arrangement (2).

Abstract: The invention relates to a method for controlling the temperature of a waste heat recovery system associated with a combustion engine, the waste heat recovery system comprising a working fluid circuit; at least one evaporator; an expander; a condenser and a pump arranged to pump the working fluid through the circuit, wherein the at least one evaporator is arranged for heat exchange between the working fluid and a heat source associated with the combustion engine, wherein the condenser of the waste heat recovery system is connected to a cooling system. The method comprises the steps of: determining if a combustion engine associated with the waste heat recovery system is about to be shut down; and controlling the temperature in the waste heat recovery system based on whether the combustion engine is about to be shut down or not.

Abstract: The invention relates to a method for controlling a waste heat recovery system associated with a combustion engine of a vehicle, the waste heat recovery system comprising a working fluid circuit; at least one evaporator; an expander; a condenser; a reservoir for a working fluid and a pump arranged to pump the working fluid through the circuit, wherein the at least one evaporator is arranged for heat exchange between the working fluid and a heat source, and wherein the waste heat recovery system further comprises a cooling circuit arranged in connection to the condenser. The method comprises the steps of: predicting a shutdown of a combustion engine associated with the system; determining if a predetermined requirement is fulfilled; and if so reducing the temperature in the waste heat recovery system prior to combustion engine shutdown.

Abstract: A method to obscure a control execution flow in a computer program includes initializing a state variable, q, and a switching variable, selecting a code block for execution using a present value of the switching variable, executing the code block, updating the state variable based on a present value of the state variable and a block-dependent constant that is associated with the code block to generate an updated state variable, and by applying a state update function to the updated state variable, and updating the switching variable by processing the state variable through a non-injective output function that generates a new value of the switching variable based on the state variable. The operations of selecting the code block, executing the code block, updating the state variable and updating the switching variable are repeated to control execution flow.

Abstract: A distributor device for use in a filling shoe for filling a mould cavity of a powder compression die, the distributor device having an inlet portion connectable to a powder supply; an outlet portion with an outlet opening; and a distributor portion arranged between the inlet portion and the outlet portion. The distributor portion includes one or more guide elements arranged to divide the distributor portion into a plurality of distributor channels. The distributor channels have an input with an input cross-sectional area at an upstream end of the distributor channel and an output with an output cross-sectional area at a downstream end of the distributor channel, wherein the input cross-sectional area differs from the output cross-sectional area for at least one of the distributor channels.

Abstract: A method (and a system that executes the method) for control of at least one sectional ammonia coverage degree profile NH3_profile for at least one SCR catalyst included in an exhaust gas treatment system, the method includes determining at least one ammonia sectional coverage degree profile NH3_profile_det for the at least one SCR catalyst based on a flow F, a temperature T and a composition C of the exhaust stream upstream of the at least one SCR catalyst. The method also includes comparing the at least one sectional ammonia coverage NH3_profile_ref with at least one sectional reference profile for an ammonia coverage degree NH3_profile_ref for the at least one SCR catalyst. The method further includes controlling, based on the comparison, at least one of a concentration of nitrogen oxides CNOX in the exhaust stream to be output from the combustion engine and a dosage of a reductant including ammonia NH3 to be injected into the exhaust stream upstream of the at least one SCR catalyst.

Abstract: The invention relates to a method, system, and computer program product for controlling a waste heat recovery system associated with a vehicle powertrain, the powertrain comprising a combustion engine and a gearbox connected to the combustion engine, the waste heat recovery system comprising a working fluid circuit; an evaporator; an expander; a condenser; a reservoir for a working fluid and a pump arranged to pump the working fluid through the circuit, wherein the evaporator is arranged for heat exchange between the working fluid and at least one heat source, wherein the waste heat recovery system further comprises a cooling circuit arranged in connection to the condenser, and wherein the expander is mechanically coupled to the powertrain. The method comprises the steps of determining the pressure and temperature of the working fluid upstream of the expander; and controlling the rotational speed of the expander based on the determined pressure and temperature.

Abstract: Provided is a method for controlling a waste heat recovery system associated with a powertrain of a vehicle, the powertrain comprising a combustion engine and a gearbox connected to the combustion engine, the waste heat recovery system comprising a working fluid circuit; an evaporator; an expander; a condenser; a reservoir for a working fluid and a pump arranged to pump the working fluid through the circuit, wherein the evaporator is arranged for heat exchange between the working fluid and at least one heat source, wherein the waste heat recovery system further comprises a cooling circuit arranged in connection to the condenser, and wherein the expander is mechanically connected to the powertrain. The method comprises the steps of: predicting a downhill slope which will require braking of the vehicle; reducing the temperature of the evaporator to a predetermined temperature; and turning off the pump and thus the waste heat recovery system.

Abstract: An efficient obfuscation of program control flow, comprising obscuring a control execution flow through a plurality of code blocks of a computer program. It involves obtaining a secret key, initializing a state variable based on the secret key, generating a switching value by processing the state variable through an encoding function, and selecting a code block from among a set of code blocks using the switching value. It further involves executing the block code, which comprises updating the state variable based on a present value of the state variable, and repeating the steps of generating a switching value, selecting a code block, and executing the code block to control execution flow through the set of code blocks.

Abstract: Provided is a method for controlling the temperature of a cooling fluid in a cooling system comprising a cooling circuit connected to a condenser of a waste heat recovery system, a cooling pump arranged to circulate a cooling fluid through the cooling circuit and a radiator arranged for cooling the cooling fluid, a bypass circuit, a first and a second valve unit, wherein the first valve unit is arranged to control the flow of cooling fluid through the radiator and the bypass circuit, and the second valve unit controls the flow of cooling fluid passing through the condenser. A condenser-in temperature of the cooling fluid is determined by a first temperature sensor and an engine-in temperature of the cooling fluid is determined by a second temperature sensor. The flow of the cooling fluid is controlled by the first valve unit and/or the second valve unit based on the determined condenser-in and engine-in fluid temperatures.

Abstract: A method and a system for detection of torque deviations of an engine (101) in a vehicle (100). A measurement (201) is made of actual measured values Dact related to a behavior of at least one parameter which is related to an actual torque Meng_act delivered by the engine (101). This actual torque Meng_act is delivered here by the engine (101) in consequence of a torque Meng_req demanded from the engine (101). A comparison (202) is then made of the actual measured values Dact which are related to the behavior of the at least one parameter with previously determined measured values Dref of correspondingly at least one respective parameter related to the actual torque Meng_act. The previously determined measured values Dref will here have been determined during normal operation of the vehicle (100). Detection is then made of whether the actual measured actual torque Meng_act deviates from the demanded torque Mengj-eq.

Abstract: The invention relates to a method for controlling a waste heat recovery system associated with a combustion engine of a vehicle, the waste heat recovery system comprising a working fluid circuit; at least one evaporator; an expander; a condenser; a reservoir for a working fluid and a pump arranged to pump the working fluid through the circuit, wherein the at least one evaporator is arranged for heat exchange between the working fluid and a heat source, and wherein the waste heat recovery system further comprises a cooling circuit arranged in connection to the condenser. The method comprises the steps of: predicting a shutdown of a combustion engine associated with the system; determining if a predetermined requirement is fulfilled; and if so reducing the temperature in the waste heat recovery system prior to combustion engine shutdown.

Abstract: The invention relates to a method for controlling the temperature of a waste heat recovery system associated with a combustion engine, the waste heat recovery system comprising a working fluid circuit; at least one evaporator; an expander; a condenser and a pump arranged to pump the working fluid through the circuit, wherein the at least one evaporator is arranged for heat exchange between the working fluid and a heat source associated with the combustion engine, wherein the condenser of the waste heat recovery system is connected to a cooling system . The method comprises the steps of: determining if a combustion engine associated with the waste heat recovery system is about to be shut down; and controlling the temperature in the waste heat recovery system based on whether the combustion engine is about to be shut down or not.

Abstract: The disclosure relates to a method for determining a hydrodynamic size of an object, such as a nano-sized object, said method comprising the steps of: —providing a fluid interface, —linking said object to said fluid interface thereby providing a linked object, whereby the movement of said linked object is restricted by virtue of being linked to said fluid interface, —providing and determining a hydrodynamic shear force that acts on said linked object, —tracking the movement of said linked object, and —calculating the hydrodynamic size of the object using the Einstein-Smoluchowski relation.

Abstract: A method and a system (200) for providing an auxiliary unit control profile for controlling an auxiliary unit (201) in a motor vehicle (202) including receiving travelling route data relating to a travelling route of the motor vehicle and based thereon, identifying an expected future travelling route. Based on the expected future travelling route and on auxiliary unit operation data, an auxiliary unit control profile for controlling the auxiliary unit during travel along the expected future travelling route is determined in a processing unit (204). The auxiliary unit control profile is outputted to a control unit (206) configured to execute the auxiliary unit control profile and control the auxiliary unit based on the auxiliary unit control profile.

Abstract: A method and a system for detection of torque deviations of an engine (101) in a vehicle (100). A measurement (201) is made of actual measured values Dact related to a behavior of at least one parameter which is related to an actual torque Meng_act delivered by the engine (101). This actual torque Meng_act is delivered here by the engine (101) in consequence of a torque Meng_req demanded from the engine (101). A comparison (202) is then made of the actual measured values Dact which are related to the behavior of the at least one parameter with previously determined measured values Dref of correspondingly at least one respective parameter related to the actual torque Meng_act. The previously determined measured values Dref will here have been determined during normal operation of the vehicle (100). Detection is then made of whether the actual measured actual torque Meng_act deviates from the demanded torque Mengj-eq.

Abstract: The present invention relates to a method and a system for adaptation of a vehicle's performance. This system comprises a receiving device arranged to receive a request that a driver of the vehicle wishes to use a temporary performance mode. The system also comprises a first initiation device arranged to initiate a use of a preparation mode based on the driver's request, where the vehicle, during such preparation mode, prepares the vehicle to use an increased fraction of the power, generated by the engine in the vehicle, for the propulsion of the vehicle. The system also comprises a second initiation device arranged to initiate a use of the temporary performance mode, wherein such temporary performance mode uses the increased fraction of the power generated, released by the preparation mode, to provide a temporary performance boost for at least one feature relating to the propulsion of the vehicle.

Abstract: A device for detecting and monitoring crank shaft rotary speed and position in a four stroke engine, wherein a first and a second sensor are arranged to sense passage of reference marks on a rotatable element or elements. The first sensor is a high precision sensor which is arranged to sense passage of reference marks on a crank shaft flywheel of the engine, and the second sensor is a low speed sensor which is arranged to sense passage of reference marks on the crank shaft flywheel or reference marks or a wheel being associated with a cam shaft of the engine. The invention also concerns a method and a vehicle.

Abstract: A method to monitor an operating characteristic in a combustion engine: creating a monitoring matrix divided into a number of sections for storage of information, wherein each section is associated with specific intervals of engine speed ? and torque requested from the engine T1. When the engine is used during an operational time window with a pre-determined duration, measuring or estimating an operating characteristic and associating the characteristic with the monitoring matrix's respective section, associated with the current engine speed and the torque requested. For each section in the monitoring matrix, calculating at least one statistical parameter describing the operating characteristic associated with this section during the current operational time window; storing the statistical parameter(s) in the respective section.

Abstract: The invention relates to a method of generating a synthesized image representing a view of a scene from a first input image representing the view and a second input image representing the view, the synthesized image comprising synthesized image positions, by assigning a synthesized image data value to a synthesized image position. The method comprises determining whether input images have at the synthesized image position data values associated with them. If either one has a data value associated, that data value is assigned to the synthesized image position. If both, an average of both values is assigned. The average is a weighed average, with weighing factors being a function of a distance or distances to a closest image position with no image data value or valid image data value assigned.