Abstract: A computer-implemented method establishes map relating geographical location to vibration health impact on electrical energy storage systems adapted for providing propulsion power for a vehicle. A computer-implemented method improves a lifetime of an electrical energy storage system adapted for providing propulsion power for a vehicle when travelling on a route from an origin to a destination for accomplishing a mission.

Abstract: A computer system is configured to identify a fault or error from a voltage measurement in a first battery pack of an energy storage system at a first point in time and during a first time interval; identify a corresponding fault or error from a voltage measurement in a second battery pack of the energy storage system at a second point in time and during the first time interval, the second point in time being subsequent to the first point in time; in response of identifying the corresponding faults or errors of the voltage measurements in the first and second battery packs during the first time interval, prevent disconnection of at least the second battery pack.

Abstract: A computer system handles loss of communication between a vehicle controller and an electrical energy storage system. The computer system has processing circuitry to determine a loss of communication with the vehicle controller, determine that the vehicle is moving subsequent to the loss of communication, and in response, control contactors between the electrical energy storage system and a high voltage bus to maintain closed.

Abstract: A computer system responds to faults in an electrical energy storage system of a vehicle having multiple electrical energy storage packs. The computer system comprising processing circuitry to detect at least one of a thermal fault and an electrical fault in at least one of the electrical energy storage packs; provide a weight to the fault based on the severity of the fault; collect vehicle data including at least a vehicle location parameter; provide weights to the vehicle data parameters based on their impact on vehicle/passenger safety, determine a safe fault reaction based on an algorithm using the weighted fault(s) and the weighted vehicle data parameters, as inputs to the algorithm; and provide an instruction to execute the safe fault reaction.

Abstract: A computer system has processing circuitry to perform a flaw check of a first memory section of a first memory node of a data storage module; detect a faulty memory block in the first memory section of the first memory node; and extend the first memory section of the first memory node with a new memory block corresponding to the faulty memory block of the first memory section. The processing circuitry is further configured to recover the new memory block of the extended first memory section of the first memory node from a backup memory section.

Abstract: An energy storage system has a collection of one or more battery modules and a battery management system associated with the collection of battery modules. The battery management system is detects a battery event which indicates potential upcoming damage for the collection of battery modules. The battery management system also selects—based on a type of the battery event (e.g., temperature event, electrical event, chemical event)—a sub-set of measurement data from a set of available measurement data relating to the collection of battery modules, and causes the selected sub-set of measurement data to be stored at a storing location which is unaffected by the potential upcoming battery damage for the collection of battery modules.

Abstract: A computer system is provided, including processing circuitry configured to obtain indications of voltages at a plurality of connector pins and/or sockets of a physical port for connecting a diagnostics tool to a battery pack or battery management unit for the battery pack; determine, based on the indications, that the voltages applied match a predefined voltage pattern; and, in response to the determining, authorize the diagnostics tool to modify one or more parameter values of the battery pack.

Abstract: A device for power path fault detection in an energy storage system, ESS, is provided. The device is configured to obtain values for a parameter of energy storage elements of the ESS; to determine a deviation of the value of a first energy storage element from an aggregate function value, wherein the aggregate function value is formed based on values of the parameter for one or more other energy storage elements than the first energy storage element. The device is configured to determine that the deviation is beyond a first threshold value and, in response thereto, detect a power path fault pertinent to the first energy storage element.

Abstract: A computer system has processing circuitry to obtain data of a set of planned routes for a vehicle fleet comprising at least partly electrified vehicles each having an electrical energy storage system comprising multiple electrical energy storage packs, the data including at least topology data for the planned routes, obtain energy status data and health data of the electrical energy storage systems of the fleet, acquire load data for cargo to be transported along at least some of the planned routes; estimate the power and energy demand for the planned routes; calculate a distribution of the electrical energy storage packs among the vehicles of the fleet such that the number of electrical energy storage packs utilized by the fleet for completing the planned routes is minimized and a state of health parameter of the electrical energy storage packs of the fleet fulfills at least one predetermined criterion, and provide output data indicating the distribution of the electrical energy storage packs among the vehi

Abstract: A computer system is configured to identify a fault or error from a voltage measurement in a first battery pack of an energy storage system at a first point in time and during a first time interval; identify a corresponding fault or error from a voltage measurement in a second battery pack of the energy storage system at a second point in time and during the first time interval, the second point in time being subsequent to the first point in time; in response of identifying the corresponding faults or errors of the voltage measurements in the first and second battery packs during the first time interval, prevent disconnection of at least the second battery pack.

Abstract: A computer system has processing circuitry configured to detect an isolation fault of an electrical energy storage system comprising multiple electrical energy storage packs connectable to a voltage bus for providing power to an electric load; determine a subset of at least one of electrical energy storage pack that can be disconnected from the voltage bus without violating present power requirements for the electric load, wherein the following steps are repeated for each subset of at least one electrical energy storage pack until an isolation fault is detected in an electrical energy storage pack of the electrical energy storage system, or until all subsets of at least one electrical energy storage pack have been tested: disconnect a present subset of at least one electrical energy storage pack from the voltage bus; perform isolation fault check on the disconnected subset of at least one electrical energy storage packs while the other subsets of at least one electrical energy storage pack remain connected to

Abstract: A computer system including processing circuitry configured to control a battery management system adapted for a high voltage battery system in an energy storage system by receiving measurement data or signals from a plurality of sensors, and determining that at least one battery cell in a battery pack is a faulty battery cell. The determination being based on the measurement data. The processing circuitry further configured to control the battery management system by determining a discharge power limit for battery cells adjacent to the faulty battery cells, controlling discharge from the adjacent battery cells up to a safe state of charge level, and maintaining at least one main contactor closed during the discharge of the adjacent battery cells.

Abstract: An electrical energy storage system has a plurality of electrical energy storage packs each including at least one electrical energy storage cell, the electrical energy storage packs comprising a switch that controls a connection between two ports of the respective electrical energy storage pack. An electrical wire loop forms a closed circuit by connecting the electrical energy storage packs in series at two of their ports. One of the electrical energy storage packs supplies the electrical wire loop with an electric current, and an alarm device electrically is connected to the electrical wire loop to receive the electric current that passes through all electrical energy storage packs of the electrical energy storage system. The alarm device provides an alarm output when the closed circuit is broken.

Abstract: A computer system include processing circuitry configured to handle detection of a wake up signal is provided. The wake up signal is indicative of a hazard in a battery associated with a vehicle. The processing circuitry is further configured to during one or more detection periods, attempt to detect the wake up signal, and during one or more idle periods, refrain from attempting to detect the wake up signal.

Abstract: A computer system including processing circuitry configured to provide a control signal to a contactor device control circuit including a contactor, the contactor device control circuit being configured to carry out a state switch in response to receiving said control signal; receive a control signal response from the contactor device control circuit in response to said state switch; obtain one or more contactor device properties based on the control signal response to the control signal; compare the one or more contactor device properties to baseline contactor device properties, the baseline contactor device properties being indicative of one or more predefined contactor device types; and based on said comparison, identify whether a type of said contactor corresponds to said one or more predefined contactor device types.

Abstract: A computer implemented-method for improving a lifetime of an electrical energy storage system adapted for providing propulsion power for a vehicle is provided. The method includes estimating a present state of health of the electrical energy storage system; determining vibration data including mechanical vibration magnitude and vibration frequency spectrum of the electrical energy storage system; determining a degree of impact of the vibrations of the electrical energy storage system on the state of health of the electrical energy storage system by processing the determined vibration magnitude and vibration frequency spectrum in a vibration-SOH model adapted to infer a relationship between vibration magnitude and vibration frequency spectrum, and state of health, and adapting at least one vehicle control parameter to vary at least one of the vibration magnitude and the vibration frequency to reduce the determining a degree of impact of the vibrations of the electrical energy storage system.

Abstract: A computer-implemented method establishes map relating geographical location to vibration health impact on electrical energy storage systems adapted for providing propulsion power for a vehicle. A computer-implemented method improves a lifetime of an electrical energy storage system adapted for providing propulsion power for a vehicle when travelling on a route from an origin to a destination for accomplishing a mission.