Abstract: Upon detecting an event indicating enabling of security sensitive functionality of an electronic device, a value previously unknown to the electronic device is obtained and the current content of the data storage to a new current content of the data storage is updated according to an updating function based on the current content of the data storage and the value, wherein, without privileged access, the current content of the data storage can only be updated using the updating function. The value is further obtained in a management module and an expected new current content of the data storage is determined in the management module according to the updating function based on known original content of the data storage and the value. Upon determining that the new current content of the data storage differs from the expected new current content of the data storage, a validation module generates a security notification.

Abstract: Technologies are provided for database modification using a script component. In some embodiments, a method comprises executing, by a computing system comprising at least one processor, a script component comprising one or more functions to transform a database. The method also includes modifying, by the computing system, the database based on at least one transformation defined by the one or more functions in response to executing the script component.

Abstract: A tumble dryer (1) comprising: a rotatable drying drum (21), adapted to receive laundry to be dried, said drum (21) comprising a cylindric outer periphery (27) provided with a plurality of openings (25); at least one particle separation filter (29) arranged below the drying drum (21), said filter (29) having a width corresponding to at least 50% of the cylindrical diameter of the drum (21); a fan (39) and a funnel shaped interface (45) adapted for formation of a tapering transmission channel between the at least one filter (29) and the fan (39). The fan (39) being a radial fan, having an axis (47) arranged with an inclination (?) of 0-25° from a vertical direction (V), such that an air stream that is introduced into the drum (21) leaves the drum (21) through the periphery (27) thereof, is led through the at least one filter (29), is collected by the funnel shaped interface (45), and directed towards a rear part of the tumble dryer (1) by the fan (39).

Abstract: An alpha type Stirling engine, comprising four pistons housed in respective chambers for reciprocating movement, at least two linear motors/generators configured to cause said pistons to move in the respective chambers, each one of said pistons defining in its respective chamber a primary chamber side located on one side of the piston and a secondary chamber side located on the other side of the piston. The Stirling engine comprises two primary gas channels, each one fluidly interconnecting two primary chamber sides. The Stirling engine also comprises two secondary gas channels, each one fluidly interconnecting two secondary chamber sides in different chamber combinations than the interconnections achieved by the primary gas channels.

Abstract: A system for controlling the power output of a Stirling is provided that includes a hot heat source and a cold heat sink. A control unit receives a first temperature signal representative of a measured temperature of the hot heat source and a second temperature signal representative of a measured temperature of the cold heat sink. A look-up table provides a representation of the power output as a function of the mean engine pressure, pie, and the operating frequency, ƒ, of the Stirling engine. The values of the power output in the look-up table have been determined for predefined temperatures of the hot heat source and the cold heat sink. The control unit is configured to, based on the received temperature signals, recalculate the values of the power output and update the look-up table accordingly, and to control the power output by controlling the mean engine pressure, pie, and the operating frequency, ƒ, based on the updated look-up table.

Abstract: An alpha type Stirling engine is provided and comprises an expansion cylinder and a compression cylinder, a regenerator, a cooler, and a heater. Each one of the expansion cylinder and the compression cylinder has a movable piston connected to a respective linear electric generator/motor, wherein the Stirling engine further comprises a control unit which is operatively connected to the linear electric generators/motors and which is configured to control the linear electric generators/motors individually so as to enable a different stroke length and/or motion profile of the piston in the expansion cylinder compared to the piston in the compression cylinder.

Abstract: A computer-implemented method of controlling a computing hardware accelerator in a movable camera comprises: acquiring images from the movable camera; obtaining an indication of a physical state of the movable camera, indicating whether the movable camera is in a moving state or in a still state; and allocating exclusive access to the computing hardware accelerator based on the indication of the physical state. The disclosure further relates to a camera system for carrying out the computer-implemented method of controlling a computing hardware accelerator in a movable camera.

Abstract: The present disclosure relates to a tumble dryer 1 with a rotatable drum 11 and a heat pump for drying process air that enters the drum, the heat pump comprising a condenser 19, a compressor 17, and an evaporator 15. In order to improve energy efficiency, the rotatable drum comprises a circular rear wall with air inlet openings and a radial cylindrical wall with air outlet openings, the compressor 17 is adapted to be run by an inverter 29, allowing the compressor output to be varied, and the expansion 16 is controllable. This allows the heat pump arrangement to be controlled to an optimum heat pump cycle envelope.

Abstract: An alpha type Stirling engine (1) comprises an expansion cylinder (2) and a compression cylinder (3). The Stirling engine further comprises a regenerator (4), a cooler (5), a heater (6), and a gas channel (7) which provides the expansion cylinder (2) in fluid communication with the compression cylinder (3). At least one of the expansion cylinder (2) and the compression cylinder (3) has a twin cylinder (2?, 3?) which functions as an additional expansion cylinder (2?) or an additional compression cylinder (3?), respectively, wherein the one of the expansion cylinder (2) and the compression cylinder (3) that has a twin cylinder (2?, 3?), is together with said twin cylinder (2? 3?) connected to a first portion (7a) of the gas channel (7), from which first portion (7a) the gas channel (7) extends via the regenerator (4) to a second portion (7b) to which the other one of the expansion cylinder (2) and the compression cylinder (3) is connected.

Abstract: An alpha type Stirling engine (1) comprises an expansion cylinder (2) and a compression cylinder (3), a regenerator (4), a cooler (5), and a heater (6). Each one of the expansion cylinder (2) and the compression cylinder (3) has a movable piston (10, 11) connected to a respective linear electric generator/motor (8, 9), wherein the Stirling engine (1) further comprises a control unit (20) which is operatively connected to the linear electric generators/motors (8, 9) and which is configured to control the linear electric generators/motors (8, 9) individually so as to enable a different stroke length and/or motion profile of the piston (10) in the expansion cylinder (2) compared to the piston (11) in the compression cylinder (3).

Abstract: The present disclosure relates to a tumble dryer (1) with a rotatable drum (11) and a heat pump for drying process air that enters the drum, the heat pump comprising a condenser (19), a compressor (17), and an evaporator (15). In order to improve energy efficiency, the compressor (17) is located in the flow (21) of process air, between the evaporator (15) and the condenser (19). Thereby, heat dissipated from the compressor is used to pre-heat the process air flow before entering the condenser (19).

Abstract: Upon detecting an event indicating enabling of security sensitive functionality of an electronic device, a value previously unknown to the electronic device is obtained and the current content of the data storage to a new current content of the data storage is updated according to an updating function based on the current content of the data storage and the value, wherein, without privileged access, the current content of the data storage can only be updated using the updating function. The value is further obtained in a management module and an expected new current content of the data storage is determined in the management module according to the updating function based on known original content of the data storage and the value. Upon determining that the new current content of the data storage differs from the expected new current content of the data storage, a validation module generates a security notification.

Abstract: Technologies are provided for database modification using a script component. In some embodiments, a method comprises executing, by a computing system comprising at least one processor, a script component comprising one or more functions to transform a database. The method also includes modifying, by the computing system, the database based on at least one transformation defined by the one or more functions in response to executing the script component.

Abstract: A method for pressurisation of a working gas in a Stirling engine assembly for use in a thermal energy plant, the Stirling engine assembly including: a Stirling engine including an expansion cylinder and a compression cylinder, wherein the expansion and compression cylinders are configured in a V-arrangement; a regenerator; a cooler and a heater; an accumulator, the accumulator being in fluidic connection with the expansion and/or compression cylinders of the Stirling engine; and a low pressure receptacle including the working gas. The method includes: providing working gas to the accumulator from the low pressure receptacle; providing a pressurisation fluid to the accumulator to reduce the volume for the working gas in the accumulator, thereby increasing the pressure of the working gas in the accumulator; and displacing the pressurised working gas from the accumulator to the expansion and/or compression cylinder.

Abstract: A method for pressurisation of a working gas in a Stirling engine assembly for use in a thermal energy plant, the Stirling engine assembly including: a Stirling engine including an expansion cylinder and a compression cylinder, wherein the expansion and compression cylinders are configured in a V-arrangement; a regenerator; a cooler and a heater; an accumulator, the accumulator being in fluidic connection with the expansion and/or compression cylinders of the Stirling engine; and a low pressure receptacle including the working gas. The method includes: providing working gas to the accumulator from the low pressure receptacle; providing a pressurisation fluid to the accumulator to reduce the volume for the working gas in the accumulator, thereby increasing the pressure of the working gas in the accumulator; and displacing the pressurised working gas from the accumulator to the expansion and/or compression cylinder.

Abstract: The present disclosure relates to a tumble dryer (1) comprising a housing (2), a rotatable drum (11) in the housing being accessible from a front side (3) of the housing, and a fan arrangement (13) for producing a flow of process air through the drum. A heat pump is used for drying the process air before it enters the drum, the heat pump comprising a condenser (19), a compressor (17), and an evaporator (15). The condenser 19 the compressor (17), and the evaporator (15) are arranged as components in a heat pump unit (43), wherein the heat pump unit is removable from the remainder of the tumble dryer (1) through an opening in the rear side of the tumble dryer housing without separating the components. This facilitates for instance service of the tumble dryer.

Abstract: A vision system (10) for a motor vehicle having an imaging apparatus (11) to capture images from a surrounding of the motor vehicle and a data processing device (14) performing image processing on images captured by the imaging apparatus (11) and to control at least one driver assistance device (18) depending on a result of the image processing. The image processing having object detection through edge detection and the object detection having decomposing (21, 22) images captured by the imaging apparatus into a plurality of decomposed images (23, 24) having different color characteristics. Separate edge detection (35, 36) is performed on the decomposed images. The edges (37, 38) from the separate edge detections are merged (39) into a common list of edges. An edge distinguishability measure is calculated for each of the edges (37, 38), and the merging of the edges (37, 38) is based on the edge distinguishability measure.

Abstract: A vision system (10) for a motor vehicle having an imaging apparatus (11) to capture images from a surrounding of the motor vehicle and a data processing device (14) performing image processing on images captured by the imaging apparatus (11) and to control at least one driver assistance device (18) depending on a result of the image processing. The image processing having object detection through edge detection and the object detection having decomposing (21, 22) images captured by the imaging apparatus into a plurality of decomposed images (23, 24) having different color characteristics. Separate edge detection (35, 36) is performed on the decomposed images. The edges (37, 38) from the separate edge detections are merged (39) into a common list of edges. An edge distinguishability measure is calculated for each of the edges (37, 38), and the merging of the edges (37, 38) is based on the edge distinguishability measure.

Abstract: A tumble dryer (1) comprising: a rotatable drying drum (21), adapted to receive laundry to be dried, said drum (21) comprising a cylindric outer periphery (27) provided with a plurality of openings (25); at least one particle separation filter (29) arranged below the drying drum (21), said filter (29) having a width corresponding to at least 50% of the cylindrical diameter of the drum (21); a fan (39) and a funnel shaped interface (45) adapted for formation of a tapering transmission channel between the at least one filter and the fan (39). The fan (39) being a radial fan, having an axis (47) arranged with an inclination (a) of 0-25° from a vertical direction (V), such that an air stream that is introduced into the drum (21) leaves the drum (21) through the periphery (27) thereof, is led through the at least one filter (29), is collected by the funnel shaped interface (45), and directed towards a rear part of the tumble dryer (1) by the fan (39).

Abstract: The present disclosure relates to a tumble dryer (1) with a rotatable drum (11) and a heat pump for drying process air that enters the drum, the heat pump comprising a condenser (19), a compressor (17), and an evaporator (15). In order to improve energy efficiency, the compressor (17) is located in the flow (21) of process air, between the evaporator (15) and the condenser (19). Thereby, heat dissipated from the compressor is used to pre-heat the process air flow before entering the condenser (19).