Valea AB

A thermal management system for a fuel cell vehicle is provided that comprises a fuel cell system and a cooling system. The thermal management system comprises a first coolant heating circuit comprising a coolant heater configured to preheat the portion of the coolant before starting up the fuel cell system and coupled to a main cooling circuit and configured to have a portion of the coolant being selectively passed therethrough; a second coolant heating circuit comprising a cabin heater and coupled to the main cooling circuit and configured to have a portion of the coolant in the pump downstream portion being selectively passed therethrough; and a third coolant heating circuit comprising a cryogenic hydrogen storage heater configured to regulate a temperature of a cryogenic hydrogen storage of the fuel cell vehicle and coupled to the main cooling circuit and configured to have a portion of the coolant in the pump downstream portion being selectively passed therethrough.

A method, device, and system for estimating impedance of a battery set associated with a battery energy storage system (BESS) are disclosed. The method may include, and the device or system, or both, may be configured for obtaining an AC signal that comprises an odd harmonic of an operating frequency of a system coupled with the BESS, injecting the AC signal into a node of the battery set, and estimating an AC impedance of the battery set based on a response of the battery set to the injected AC signal. The injected harmonic may be a third harmonic of a system coupled with the BESS, such as a utility system.

A structural element (7) for an energy storage system battery housing (6) configured to house battery cell stack(s) (4), the structural element (7) having a longitudinal extension along a longitudinal direction (L), a width extension along a width direction (W) and a height extension along a height direction (H). The structural element comprises a venting channel (71) with an extension in the longitudinal direction, which venting channel forms a space configured for transport of cell ejecta from the battery cell stack(s); and at least a first supplemental channel (72) in the longitudinal direction, which supplemental channel(s) forms a space configured for containment of PCM. The supplemental channel(s) is separated from the venting channel with at least a first shared wall (73) configured to at least partly rupture when exposed to a temperature above a temperature threshold and/or a flow of matter at a velocity above a velocity threshold.

A control device for an energy storage system (ESS) system comprising an ESS and a battery management system (BMS), and a method for controlling the ESS system are provided. The method comprises obtaining an accuracy value indicative of an accuracy of a state of charge (SoC) of the ESS, and, in response to the accuracy value being below a SoC accuracy threshold, a next time the ESS is to be charged or discharged, instructing the ESS to be charged to a full charge level or to be fully discharged, and initiating a SoC calibration of the ESS. The accuracy value may be determined based on one or more SoC parameters comprising an internal resistance, a cell voltage delta, a cell voltage, a rate of change of the cell voltage delta, a charged/discharged capacity in a current cycle, a cycle start Open Circuit Voltage (OCV), a cycle end OCV of the ESS, and an operating time since a last SoC calibration of the ESS.

The present disclosure relates to a computer system (1000) for handling contactors in a vehicle system (200). The vehicle system (200) comprises a battery (201) electrically connected to a TVS (202) separated by a battery contactor (205a, 205b) and a HV load (203) electrically connected to the TVS (202) separated by a load contactor (208a, 208b). The computer system (1000) comprises processing circuitry (1002) configured to:- determine that charging has stopped,- determine to change the battery contactor (205a, 205b) from closed to open state,- determine that voltage at the TVS (202) is close to or equal to zero,- determine to change the load contactor (208a, 208b) from open to closed state,- determine that a result of an insulation monitoring indicates that a risk for insulation error is below a risk threshold,- determine to change the battery contactor (205a, 205b) from open to closed state.

A control system and a method for controlling a hydrogen-fueled vehicle comprising a fuel storage container for storing hydrogen fuel to be supplied to a power system and a cooling system for cooling at least the fuel storage container. The method comprises obtaining an indication indicating that the fuel storage container is to be refilled with hydrogen fuel at a refueling station at a future time point, determine a predicted state of the container at the future time point, determine a target state of the container for refilling the fuel storage container with the hydrogen fuel, and, responsive to determining that the container will not reach the target state when the vehicle is operated under at least one current and/or predicted operating condition, instruct at least portions of the vehicle to operate at at least one modified operating condition such that the fuel storage container assumes the target state at or in advance of the future time point.

Method for generating, storing and processing quality indicating data for a product. The method comprises collecting operating quality indicating values from at least one component comprised in the product; generating a quality indicating data for each of the operating quality indicating values by normalizing each of the operating quality indicating values to an integer, wherein the quality indicating data indicating how close an operating quality indicating value is to a required quality threshold or how much the operating quality indicating value is above the required quality threshold; and storing the quality indicating data together with other operational data of the component collected for a session representing how the product is operating during a period.

The present disclosure relates to an oral pouched nicotine product comprising a filling material and a saliva-permeable pouch enclosing the filling material, the filling material comprising - a nicotine compound; - a pH-regulating agent; and - a monovalent metal salt of a stearic acid.

The present disclosure relates to a computer system (400) and a method for controlling a transmission (20) of a vehicle, wherein the transmission (20) comprises an output shaft (25) and a set of input shafts (21, 22) comprising at least a first input shaft (21), the transmission being adapted to assume a plurality of transmission configurations, each transmission configuration resulting in a predetermined gear ratio between each input shaft (21, 22) in the set of input shafts and the output shaft (25), and wherein the vehicle comprises a regenerative braking system (30) adapted to convert at least a portion of the vehicle's kinetic energy into electric energy to be fed to an energy storage system (34) of the vehicle during a braking event. The method comprises:- obtaining braking information indicating a required vehicle braking torque for a braking event;- in response to determining that the braking torque deliverable from the regenerative braking system (30) with a currently assumed transmission configuration equals or exceeds the required vehicle braking torque, determining that the currently assumed transmission configuration should be maintained during the braking event and preferably issuing information to the transmission (20) to maintain the currently assumed transmission configuration.

A computer system (700) comprising a processing circuitry (702) configured to handle a work site (100) where a plurality of autonomous vehicles (1) operate is provided.The processing circuitry (702) is configured to obtain work site information indicative of a current state of the work site (100). The processing circuitry (702) is configured to receive a natural language request for one or more tasks to be performed in the work site (100) by the plurality of vehicles (1). The processing circuitry (702) is configured to interpret from the natural language request, by using a machine learning model a request to perform the one or more tasks. The processing circuitry (702) is configured to, based on the interpreted request and the work site information, establish an action plan for the plurality of vehicles (1) to perform the one or more tasks.