Ström & Gulliksson AB

A system (1) for cutting material (2) on elongate tubular roll (3) is adapted to be arranged at the elongate tubular roll (3) having an axis (A). The system (1) comprises a rotary cutter (4) arranged on an axle (5) perpendicular to the axis (A) of the elongate tubular roll (3). The axle (5) is rotatably attached to a carrier (6) movably arranged in parallel to the axis (A) of the elongate tubular roll (3). The axle (5) has a coupling part (7), wherein the system (1) comprises a drive device (8) connected to the coupling part (7) of the axle (5), wherein the drive device (8) is arranged such that when the carrier (6) is moved along the axis (A) of the elongate tubular roll (3), the axle (5) is made to rotate with the rotary cutter (4) to cut the material (2) on the elongate tubular roll (3).

A thin film resistor and a method of forming the same are provided. The method includes forming an insulated oxide film on an upper surface of a substrate; forming a first inner electrode pair on two ends of the insulated oxide film; performing a DC multi-target hybrid sputtering operation to deposit a resistor layer on a portion of the insulated oxide film and a portion of the pair of first inner electrode; performing an RF-DC hybrid sputtering operation to deposit a doping layer over the resistor layer; performing an annealing operation so as to oxidize the doping layer to an oxidized doping film; and forming a passivation layer on the oxidized doping film. Therefore, resistance value and resistivity of the thin film resistor can be controlled.

A computer system comprising processing circuitry is provided. The processing circuitry is configured to obtain a required drive torque (T_ref) for a vehicle (1), and obtain a heat requirement (H_ref) for a component (12, 14, 20, 40) of the vehicle (1). The processing circuitry is further configured to cause, in response to the required drive torque (T_ref) being less than the maximum torque capability of at least one electrical machine (10a-b): control of at least one first electrical machine (10a-b), connected to a drivetrain of the vehicle (1) and forming part of a vehicle drive system (11), to generate the required drive torque (T_ref); and control of at least one second electrical machine (10a-b) forming part of the vehicle drive system (11), to generate excess heat. The processing circuitry is further configured to distribute the excess heat to the component (12, 14, 20, 40) of the vehicle (1) such that the heat requirement (H_ref) is fulfilled.

A flotation device (30) comprising: a first portion (32) arranged in fluid communication with liquid coolant accommodated by a liquid coolant pipe (20), the first portion (32) causing selective blocking or opening of an outlet (22) leading inside a battery pack (10); a second portion (34) arranged inside the battery pack (10) being floatable; and a third portion (36) interconnecting the portions (32, 34), wherein the third portion (36) is configured to adjust a position of the first portion (32) based on a position of the second portion (34).

A computer system (100; 400) for anti-fouling control for a marine structure (1), comprising processing circuitry (102; 402) configured to: obtain potential shift data (20) from a sensor (10) monitoring a control piece (5) mounted to a surface portion (6) of the marine structure (1) that is under the influence of bacterial film formation, wherein the control piece (5) comprises metal being electrically isolated from the surface portion (6); determine an ultraviolet, UV, light control action (30) based on the potential shift data (20), the UV light control action (30) comprising one or more of an intensity indicator (31) and an exposure period indicator (32); and control an UV light source (40) mounted to the marine structure (1) based on the UV light control action (30), the control causing the UV light source (40) to emit UV light (42) onto the control piece (5) and the surface portion (6).

A computer system and computer-implemented method are disclosed for determining a control input for a suspension system of a vehicle. The computer system comprises processing circuitry configured to: determine an objective relating to motion of the vehicle, select a format for a control input for the suspension system from a plurality of formats based on the objective, the plurality of formats comprising two or more of: a first format comprising a request for a vertical force to be implemented on a wheel of the vehicle by the suspension system, a second format comprising a request for a vertical velocity of a wheel of the vehicle to be implemented by the suspension system, and a third format comprising a request for a vertical position of a wheel of the vehicle to be implemented by the suspension system; and determine a control input for the suspension system according to the selected format and based on the objective.

A computer system (100; 800) for performing a weld check in a traction voltage system (10), the computer system (10) comprising processing circuitry (102; 802) configured to: open a switch (22, 24) connected to the traction battery (20) and an electrical load (40) of the traction voltage system (10); measure a first voltage, V1, between the traction battery (20) and ground reference (30), the first voltage, V1, being measured at a battery side (10-1) of the traction voltage system (10) in relation to the switch (22, 24); measure a second voltage, V2, between the electrical load (40) and ground reference (30), the second voltage, V2, being measured at a load side (10-2) of the traction voltage system (10) in relation to the switch (22, 24); and compare the first and second voltages, V1, V2, to determine the presence of a weld in the switch (22, 24).

A system and method are disclosed for determining the shape of at least part of a tyre. The system comprises: a plurality of radio-reflective objects associated with the tyre; one or more wheel-mounted radar sensors configured to receive radio waves reflected from each of the plurality of radio-reflective objects; and processing circuitry configured to: determine a position of each of the plurality of radio-reflective objects based on a corresponding radar measurement made by the one or more wheel-mounted radar sensors; and determine the shape of at least part of the tyre based on the determined positions. A corresponding tyre, vehicle, computer system, and computer-implemented method are also disclosed.

Provided is a method for building a database configured to effectively respond to cybersecurity regulations including configuring a first database, including one or more cybersecurity items and a first dataset which is an entire dataset of the respective cybersecurity items, configuring a second database which is generated for each version and includes a second dataset of the respective cybersecurity items, and configuring a third database which is generated for each project and includes a third dataset of the respective cybersecurity items, wherein the second dataset includes a dataset generated by copying one or more individual datasets of a first dataset in the first database, and the third dataset comprises a dataset which refers to all or some of datasets stored in the second DB of a particular version and is generated for each of a plurality of containers belonging to the project.

The present disclosure relates to an emergency bilge system for a marine vessel having a bilge, comprising a seawater pump connected with a seawater cooling system for a power source and a seawater inlet, a sensor being arranged at low point at the bilge, the sensor is configured to detect a fluid present above a predetermined level at bilge, wherein a 3-way valve is arranged so as to be connected with the seawater inlet, the bilge and the seawater pump, wherein the 3-way valve is configured to selectively provide a first flow path between the seawater inlet and the seawater pump or a second flow path between the bilge and the seawater pump.