Abstract: A system for generating air pressure in a hybrid vehicle, comprising an engine-driven air compressor (C1) configured to be selectively operated by an ICE engine, an electrically-driven air compressor (C2) configured to be operated by an electric motor, wherein said electric motor is supplied from the electric network, at least one air reservoir configured to store pressurized air and being configured to be connected directly or indirectly to both an outlet of the engine-driven air compressor (C1) and an outlet of the electrically-driven air compressor (C2), at least one electronic control unit (3, 3?) configured to control at least the electrically-driven air compressor (C2) according at least to a selected drive mode of the vehicle, wherein the electrically-driven air compressor (C2) is downsized compared to the engine-driven compressor (C1), and corresponding control methods.

Abstract: Method for venting a pneumatic system of a vehicle, pneumatic system and vehicle Method for venting a pneumatic system (1) of a vehicle, the pneumatic system (1) comprising an air compressor (4), a pneumatic circuit (2), an air pressure management system (6) in communication with the air compressor (4) and the pneumatic circuit (2), and a control unit, the method comprising: —while pressure in the pneumatic circuit (1) is less than a cut-out pressure, supplying the pneumatic circuit (2) with compressed air from the air compressor (4) operated at an operating speed through the air pressure management system (6), —once pressure in the pneumatic circuit (2) reaches the cut-out pressure, lowering pressure in the pneumatic circuit (2) to a target pressure, the air compressor (4) being operated at at least one deflating speed lower than the operating speed, the deflating speed being non null, —after pressure in the pneumatic circuit (2) has reached the cut-out pressure, releasing compressed air in the air pressure

Abstract: An electrical power converter unit (2) includes: a first connection interface (10) comprising two leads (12, 14) forming a DC input/output interface for connecting a first electrical device to the power converter unit, a three-phase rectifier power converter circuit (16) and a second connection interface (30) for connecting a second electrical device to the power converter unit. The second connection interface includes a switching unit (46) adapted to switch between:—a DC input/output mode, in which first, second and third arms of the power converter circuit (16) are electrically connected together, forming one DC input/output; and—an AC input/output mode, in which the arms are disconnected from each other, forming separate input/outputs for a three-phase AC voltage.

Abstract: Method for venting a pneumatic system of a vehicle, pneumatic system and vehicle Method for venting a pneumatic system (1) of a vehicle, the pneumatic system (1) comprising an air compressor (4), a pneumatic circuit (2), an air pressure management system (6) in communication with the air compressor (4) and the pneumatic circuit (2), and a control unit, the method comprising: —while pressure in the pneumatic circuit (1) is less than a cut-out pressure, supplying the pneumatic circuit (2) with compressed air from the air compressor (4) operated at an operating speed through the air pressure management system (6), —once pressure in the pneumatic circuit (2) reaches the cut-out pressure, lowering pressure in the pneumatic circuit (2) to a target pressure, the air compressor (4) being operated at at least one deflating speed lower than the operating speed, the deflating speed being non null, —after pressure in the pneumatic circuit (2) has reached the cut-out pressure, releasing compressed air in the air pressure

Abstract: A system for generating air pressure in a hybrid vehicle, comprising an engine-driven air compressor (C1) configured to be selectively operated by an ICE engine, an electrically—driven air compressor (C2) configured to be operated by an electric motor, wherein said electric motor is supplied from the electric network, at least one air reservoir configured to store pressurized air and being configured to be connected directly or indirectly to both an outlet of the engine-driven air compressor (C1) and an outlet of the electrically-driven air compressor (C2), at least one electronic control unit (3, 3?) configured to control at least the electrically-driven air compressor (C2) according at least to a selected drive mode of the vehicle, wherein the electrically-driven air compressor (C2) is downsized compared to the engine-driven compressor (C1), and corresponding control methods.

Abstract: An electrical power converter unit (2) includes: a first connection interface (10) comprising two leads (12, 14) forming a DC input/output interface for connecting a first electrical device to the power converter unit, a three-phase rectifier power converter circuit (16) and a second connection interface (30) for connecting a second electrical device to the power converter unit. The second connection interface includes a switching unit (46) adapted to switch between:—a DC input/output mode, in which first, second and third arms of the power converter circuit (16) are electrically connected together, forming one DC input/output; and—an AC input/output mode, in which the arms are disconnected from each other, forming separate input/outputs for a three-phase AC voltage.

Abstract: A method is provided for controlling a hybrid automotive vehicle equipped with an internal combustion engine, and an electric machine connected to an energy storage system includes a) during a mission of the vehicle, estimation of the temperature of the energy storage system at the beginning of a next mission of the vehicle, and b) if the temperature estimated at step a) is below a threshold value, recharging, before the end of the current mission (If the vehicle, the energy storage system on the basis of the temperature estimated at step a). In a step c), if the energy storage system has been recharged at step b), then, at the beginning of the next operating period of the vehicle, the energy storage system is heavily discharged. With this method, the battery rapidly reaches the desired temperature when driving off again at the beginning of the next mission.

Abstract: A method is provided for controlling a power supply system of an automotive vehicle that includes at least one battery and at least one associated battery managing unit adapted to monitor the state of charge of the battery. During an off state of the vehicle, the state of charge level of each battery is monitored by the battery managing unit. If the state of charge monitored reaches a low state of charge threshold, an on-board communication device adapted to emit a critical state of charge level alarm to be received by an off-board reception device is activated. The power supply system includes a battery managing unit per battery and an alarm to emit a critical state of charge level alarm.

Abstract: A method for controlling a hybrid traction assembly includes an initial depleting phase which begins at the beginning of the vehicle mission and where the hybrid traction assembly is controlled to cause depletion of the storage device at a high first mean depletion rate, at least one sustaining phase where the hybrid traction assembly is controlled so that the state of charge is maintained in a predetermined sustaining range. The method further includes a second depleting phase which extends between the initial depleting phase and the sustaining phase, wherein the hybrid traction assembly is controlled to cause depletion of the storage device at a second mean depletion rate, the second mean depletion rate being lower than the first mean depletion rate.

Abstract: A method for controlling a hybrid traction assembly includes an initial depleting phase which begins at the beginning of the vehicle mission and where the hybrid traction assembly is controlled to cause depletion of the storage device at a high first mean depletion rate, at least one sustaining phase where the hybrid traction assembly is controlled so that the state of charge is maintained in a predetermined sustaining range. The method further includes a second depleting phase which extends between the initial depleting phase and the sustaining phase, wherein the hybrid traction assembly is controlled to cause depletion of the storage device at a second mean depletion rate, the second mean depletion rate being lower than the first mean depletion rate.

Abstract: A method is provided for controlling a power supply system of an automotive vehicle that includes at least one battery and at least one associated battery managing unit adapted to monitor the state of charge of the battery. During an off state of the vehicle, the state of charge level of each battery is monitored by the battery managing unit. If the state of charge monitored reaches a low state of charge threshold, an on-board communication device adapted to emit a critical state of charge level alarm to be received by an off-board reception device is activated. The power supply system includes a battery managing unit per battery and an alarm to emit a critical state of charge level alarm.

Abstract: A method is provided for controlling a hybrid automotive vehicle equipped with an internal combustion engine, and an electric machine connected to an energy storage system. Each of the internal combustion engine and the electric machine are adapted to deliver torque to a driveline of the vehicle. This method includes a) during a mission of the vehicle, estimation of the temperature of the energy storage system at the beginning of a next mission of the vehicle, and b) if the temperature estimated at step a) is below a threshold value, recharging, before the end of the current mission of the vehicle, the energy storage system on the basis of the temperature estimated at step a). In a step c), if the energy storage system has been recharged at step b), then, at the beginning of the next operating period of the vehicle, the energy storage system is heavily discharged.

Abstract: A method is provided for controlling power supply of an electrically powered steering system on-board an automotive land vehicle equipped with a high voltage source and a low voltage source. A first and a second steering motor operate at a nominal operating voltage which is higher than the voltage of the low voltage source, are fed by the high voltage source and may absorb respectively a first and a second nominal operating power. A step-up circuit is connected to the low voltage source, and is adapted to deliver a back-up electrical power in case of failure of the high voltage source. In the method, in case of failure of the high voltage source, back-up electrical power absorbed by each of the two motors is limited on the basis of a priority rule.

Abstract: A method is provided for controlling operation of a hybrid automotive vehicle equipped with at least an internal combustion engine and an electric machine, each adapted to deliver torque to a driveline of the vehicle. This method includes at least the following steps: a) determination of the ability of the engine to deliver torque to an output shaft and allotment of a value to a first parameter on the basis of this determination, b) determination of the ability of the electric machine to deliver torque to its output shaft and allotment of a value to a second parameter on the basis of this determination, d) computation of a value of a global parameter, on the basis of the respective values of the first and second parameters, and e) generation of an electric or electronic signal representative of the value of the global parameter. The hybrid automotive vehicle of the invention includes means to generate an electronic signal depending on the ability of the engine and/or the electric machine to move the vehicle.

Abstract: A hybrid vehicle includes: an equipment circuit adapted to provide electricity to at least a body builder electrical equipment and including a equipment battery set which includes at least an equipment battery; a equipment battery set sensor adapted to provide at least a state of charge of the equipment battery set; an equipment converter which interconnects the equipment circuit and the driving circuit, and which is adapted to transfer electrical energy from the driving circuit to the equipment circuit; a body builder interface and controller which controls the equipment converter so as to provide energy to the equipment circuit according to at least the state of the drive system as provided by the drive system control unit.