B60L3/0038

MEASUREMENT ARRANGEMENT

A measurement arrangement, including a current line, a first measurement location provided on the current line, a second measurement location provided on the current line, and a coolant, wherein the second measurement location is provided at a distance from the first measurement location in order to make it possible to measure a voltage in a measurement section of the current line arising due to a current flowing through the current line, wherein the measurement section is defined between the first measurement location and the second measurement location, and wherein the coolant is of fluid form and at least in areas is in direct contact with the current line in an area between the first measurement location and the second measurement location.

CONTROL APPARATUS FOR IN-WHEEL MOTOR VEHICLE
20220396157 · 2022-12-15 · ·

In a control apparatus for an in-wheel motor vehicle equipped with a motor provided in a tire wheel, at least one sensor provided in a case accommodating the motor, an electric power supply provided on a vehicle body and an electrical storage device that stores electric power, a controller provided on the vehicle body to control the motor, a power cable that connects the motor to the electric power supply and the electrical storage device, and a sensor cable that connects the sensor and the controller to each other, the controller is configured to perform disconnection control for discharging the electric power stored in the electrical storage device to an extra device when the sensor cable is disconnected.

PROPULSION TORQUE DISTRIBUTION SYSTEM PROVIDING REMEDIAL ACTION

A propulsion torque distribution system for a vehicle includes a controller in electronic communication with a plurality of vehicle systems. The controller executes instructions to receive at least one or more computational faults, one or more sensor faults, and a driver torque request. In response to receiving at least one of the one or more computational faults and the one or more sensor faults, the controller determines a fault that affects calculation of a primary torque request has occurred. In response to determining the fault that affects calculation of the primary torque request has occurred, the controller determines a severity of the fault. The controller determines a remedial state based on the severity of the fault. The remedial state indicates a corresponding action that is executed by the propulsion torque distribution system.

Method and device for determining wheel slip information of an electrically driven wheel of a motor vehicle
11584234 · 2023-02-21 · ·

A method and a device for determining wheel slip information of an electrically driven wheel of a motor vehicle, according to which during travel, the speed (nE-motor) of an electric motor driving the wheel is detected and the detected speed (nE-motor) of the electric motor is used to determine the wheel slip information.

Motor system control apparatus for vehicles and motor system control method thereof

Disclosed is a motor system control apparatus for vehicles including a communication unit communicatively connected to a plurality of motor systems and a controller configured to, upon recognizing that one of the motor systems is broken, control the motor system such that a battery is charged using counter-electromotive force of a motor, wherein the controller confirms whether, upon recognizing breakdown of the motor system, the broken motor system is capable of generating counter-electromotive force, decides whether to generate the counter-electromotive force based on a state of charge (SOC) and a traveling state of a vehicle upon confirming that the broken motor system is capable of generating the counter-electromotive force, controls the broken motor system such that the counter-electromotive force is generated upon deciding to generate the counter-electromotive force, and charges the battery with electrical energy generated by the counter-electromotive force.

SYSTEMS AND METHODS FOR A BATTERY MANAGEMENT SYSTEM INTEGRATED IN A BATTERY PACK CONFIGURED FOR USE IN ELECTRIC AIRCRAFT

A battery management system integrated in a battery pack configured for use in electric aircraft, the system comprising a first battery management component comprising a first sensor suite configured to measure a first plurality of battery pack data. The battery management system comprising a second battery management component comprising a second sensor suite configured to measure a second plurality of battery pack data. The battery management system comprising a data storage system configured to store the first plurality of battery pack data and the second plurality of battery pack data.

METHOD FOR IMPROVING THE AVAILABILITY OF AN ENERGY STORAGE OR TRANSFORMATION SYSTEM OF A VEHICLE
20220340151 · 2022-10-27 · ·

A method for improving the availability of an energy storage or transformation, EST, system of a vehicle. The method comprises providing an EST system model of coupled EST components of the EST system, identifying a fault or error in an EST condition parameter of the EST system, estimating an output value of the EST condition parameter based on the EST system model, identifying a vehicle situation which, in case of an at least temporary lack of operability of the EST system, belong to a predetermined group of vehicle situations defined as hazardous, and in response to identifying the vehicle situation belonging to the predetermined group of vehicle situations defined as hazardous, operating the EST system despite the fault or error in the EST condition parameter using the estimated output value of the EST condition parameter based on the EST system model.

Apparatus and method for determining sensing error of low voltage DC-DC converter

An apparatus for determining a sensing error of a LDC, which controls and senses an output and an output cutoff of a first current inputted to a first load of a vehicle and an output and an output cutoff of a second current for charging a battery, includes a battery control device that senses the second current and a third current for discharging the battery; a power control device that receives the first current, the second current, and the third current and calculates a fourth current inputted to a second load for controlling the vehicle driving by controlling an operation of switching element; and a controller that determines whether the sensing error of the LDC occurs based on the first current, the second current, the third current, and the fourth current.

ON-VEHICLE DEVICE AND COMMUNICATION SYSTEM
20230078306 · 2023-03-16 · ·

An abnormality of a component can be accurately detected.

An on-vehicle device is an on-vehicle device that is mounted on a vehicle to communicate with a server. The on-vehicle device includes a first information generation unit that generates first information which is information on a state of a first component mounted on the vehicle by using an output of a sensor mounted on the vehicle, and an out-vehicle communication unit that transmits, to the server, the first information and second information which is information on a state of a second component which is a component different from the first component, and receives, from the server, a state signal indicating an abnormal state of the first component calculated by the server based on the first information and the second information.

System and method for fault handling in a propulsion system for an electric vehicle

A propulsion system for an electric vehicle comprising a high voltage battery unit having a first high voltage battery connected in series with a second high voltage battery, which may also be referred to as a first and second battery bank, and one or more power inverters arranged to connect the battery banks to one or more electric machines. The one or more power inverters and the one or more electric machines are configured to form a first and a second three-phase system. The described architecture incorporating dual battery banks, and dual and/or multiphase inverters and electric machines can provide enhanced redundancy and limp home functionality in cases where a fault or error occurs in the inverter and/or in the electric machine so that a faulty three-phase system can be operated in a safe-state mode.