Volvo Truck Corporation

Julien Maitre

Maxime Valero

Yann Quibriac

Frederic Leroy

Frédéric Leroy

Benjamin Foras

A method for controlling an electrical system of an electric vehicle. The electrical system comprises a vehicle network and an external network having one or more external loads and connectable to an on-board network. The vehicle network comprises a converter unit adapted for connecting a traction voltage network and an on-board network having a battery unit and one or more internal loads and connected to the converter unit; and a switching unit adapted for controlling power output to the external network by connecting and disconnecting the on-board network and external network. The method comprises the steps of determining at least one current information of the electrical system and at least one safety current value; and controlling the switching unit to control the power output from the on-board network to the external network depending on the at least one current information and the at least one safety current value.

Method and a master control unit for controlling an electrical system of an electric vehicle

Vehicle wake-up from a diagnostic connector through access control

A method for controlling purging of hydrogen from a hydrogen circuit system of a vehicle, the hydrogen circuit system having a hydrogen conduit being arranged in fluid communication with at least one hydrogen tank, the method being implemented by a hydrogen control system comprising at least one processing circuitry, the method comprising deactivating one or more vehicle functions and vehicle systems into a non-ignitable state in response to a control signal indicative of a request for purging the hydrogen circuit system, and performing purging of the hydrogen circuit system when the one or more vehicle functions and vehicle systems are set into the non-ignitable state.

Method for controlling purging of hydrogen from a hydrogen circuit of a vehicle

A method and a system for inspecting a vehicle comprising initiating an inspection method, from a processor device of a user terminal placed near the vehicle, the user terminal comprising an augmented reality display, the processor device, and a communication interface capable of establishing a short range communications link with a communications interface of an electronic controller of the vehicle; determining the user location relative to the vehicle, using the short-range communications link established between the user terminal and the vehicle; sending, to the electronic controller of the vehicle, a request to automatically test the operation of a testable component of the vehicle, based on the determined user location; and acquiring, by the user terminal, a test result observed by the user in response to the automatic test of the testable component of the vehicle.

Methods for inspecting a vehicle, devices, and systems for the same

The invention relates to a method for protecting an on-board electrical network of a truck having a base-line equipment provided by a truck manufacturer, and having base-line loads having a current consumption, an auxiliary equipment fitted a posteriori by a truck body builder, and having auxiliary loads having a current consumption, and a battery. The method further comprises, when the engine of the truck is ON: determining that the engine is to be turned off, determining a total current consumption of the truck, determining the battery maximum capacity, if the total current consumption is lower than the battery maximum capacity, turning off the engine, and, if the total current consumption is higher than the battery maximum capacity, reducing the current consumption of at least one adjustable auxiliary load.

Method for protecting an on-board electrical network of a truck

A control method for determining an operational status of an electrical load of a heavy-duty vehicle includes measuring a global current consumption of the electrical network when the electrical load is not activated, detecting an activation of the electrical load, measuring the global current consumption of the electrical network after the electrical load has been activated, determining an electrical current consumption of the electrical load, determining a reference current consumption of the electrical load, if the difference between the determined electrical current consumption of the electrical load and the determined reference current consumption is higher than a first predetermined threshold and lower than a second predetermined threshold, the second predetermined threshold being higher than the first predetermined threshold, set the operational status of the electrical load to a first status called 'nominal operation'.

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Chuzelles, France

Julien Maitre