Systems and method are provided for detecting an anomaly of a sensor of a vehicle. In one embodiment, a method includes: storing a plurality of sensor correlation groups based on vehicle dynamics; processing a subset of signals based on the sensor correlation groups to determine when an anomaly exists; processing the subset of signals based on the sensor correlation group to determine which sensor of the sensor correlation group is anomalous; and generating notification data based on the sensor of the correlation group that is anomalous.

A power source system includes a first power source, a second power source, a Direct Current to Direct Current converter, a first load including a vehicle control device configured to perform predetermined control regarding at least one of traveling, steering, and braking of the vehicle regardless of a driving operation performed by a driver of the vehicle, and an electric actuator as a control target of the vehicle control device, and connected to the first path so as to be supplied with power from the first power source, and a power source control device configured to control an operation of the Direct Current to Direct Current converter such that power is supplied to the first path from the second power source in a case where the predetermined control is performed.

A power supply system includes a rotor for generating at least one of lift or thrust of an aircraft, a component group formed of a plurality of electrical components for rotating the rotor, and a battery for supplying power to the component group. The rotor includes a VTOL rotor and a cruise rotor, and the component group includes a VTOL component group and a cruise component group. The VTOL component group and the cruise component group are supplied with power from the same battery.

A power supply control device includes a high-power battery, a low-power battery, a relay that electrically connects the high-power battery and the low-power battery, a power supply switch, and a controller that controls an on/off state of the relay. When a power supply state is a state in which power is supplied from the high-power battery to the low-power battery with the relay therebetween, if the controller receives a first signal, the controller switches the relay from an on state to an off state, and then inhibits the relay from switching from the off state to the on state.

An electrical on-board power system for an electrically driven transportation vehicle having a traction battery with a first battery terminal and a second battery terminal, a first current path between the first battery terminal and a first terminal, and a second current path between the second battery terminal and a second terminal. An electrical or electromagnetic first switch is connected in the first current path and an electrical or electromagnetic second switch is connected in the second current path. The on-board power system has a DC-to-DC voltage converter connected at output to a low-voltage system, wherein a first input of the DC-to-DC voltage converter is connected to a first tap in the first current path and the first switch, and a second input of the DC-to-DC voltage converter is connected to a second tap between the second switch and the second load terminal.

A battery system for a vehicle includes a plurality of battery modules, each of the plurality of battery modules including a respective management module, and a master management module configured to communicate with the management modules and with a battery control module. Each of the management modules includes a communication interface configured to transmit data to the master management module and receive data from the master management module and a diagnostic module configured to monitor operating parameters of a respective one of the plurality of battery modules, detect a fault associated with the respective one of the plurality of battery modules based on the operating parameters, and selectively output a signal indicative of the detected fault.

An electric aircraft battery pack that includes an integrated battery management component, which determines if a power supply connection between the battery pack and the electric aircraft should be terminated due to a failure, defect, or malfunction of the battery pack, such as a failure of a battery module of the battery pack.

This application relates to a battery management system and a power supply device. The battery management system includes a first battery management module and a second battery management module in communication connection with the first battery management module. The second battery management module includes a code detection circuit that includes a plurality of sampling channels. The first battery management module is configured to determine code data based on voltage of at least one of the sampling channels, and perform identity authentication on the second battery management module based on the code data. The code detection circuit is disposed in the second battery management module, and code data is determined based on voltage of the sampling channel in the code detection circuit, so that failure in any battery management module does not affect code data collection by other battery management modules, thus achieving a high management reliability.

A power conversion system includes a transformer, a power conversion device for travel, a power conversion device for auxiliary power sources, and an electrical storage device. The power conversion device for auxiliary power sources includes a first AC to DC conversion unit, a power conversion unit for AC loads, and a power conversion unit for DC loads. The power conversion unit for AC loads converts DC power into AC power and supplies it to an AC load. The power conversion unit for DC loads converts DC power produced through conversion by the first AC to DC conversion unit into DC power and supplies it to a DC load. The electrical storage device is connected to power lines connecting DC power output terminals of the first AC to DC conversion unit and DC power input terminals of both the power conversion units for AC and DC loads. When power supplied from a tertiary winding of the transformer to the first AC to DC conversion unit is reduced, the electrical storage device discharges power corresponding to the power reduction.

A power conversion system includes a transformer, a power conversion device for travel, a power conversion device for auxiliary power sources, an electrical storage device, and an auxiliary device. The power conversion device for travel converts AC power into power for travel and supplies it to a travel motor. The power conversion device for auxiliary power sources includes an AC to DC conversion unit which converts AC power into DC power, a power conversion unit for AC loads which converts the DC power into AC power and supplies it to an AC load, and a power conversion unit for DC loads which converts DC power to DC power and supplies it to a DC load. The electrical storage device is connected to power lines connecting DC power output terminals of the AC to DC conversion unit and DC power input terminals of both the power conversion units for AC and DC loads. The auxiliary device is connected to power lines connecting the power conversion device for auxiliary power sources and the electrical storage device and operates with power supplied from the electrical storage device.