Abstract: The ageing of an electrical connection installed in a vehicle is evaluated by performing a series of samplings, spaced apart from one another at predefined time intervals, so as to determine a working temperature of the electrical connection for each sampling interval, and by determining a maximum duration of the electrical connection, assuming that the electrical connection was subjected, for its entire life, to the corresponding previously determined working temperature; then, an accumulated damage of the electrical connection is calculated, by overlapping a plurality of partial damage contributions, each of which is determined for each sampling interval, by dividing this sampling time interval by the corresponding maximum duration; finally, the accumulated damage is evaluated so as to identify any criticalities.

Abstract: A motor vehicle comprising a body defining a passenger compartment, a plurality of wheels; and a first sensor designed to detect a value associated with a driving speed of said motor vehicle; the first sensor comprises, in turn: a first emitter configured to emit a first laser signal; one or more first single-photon avalanche diodes configured to detect said first laser signal or a second laser signal generated, in use, by the reflection of the first laser signal; and a control unit programmed to process the value associated with a driving speed of the motor vehicle, based on the first or second laser signal detected, in use, by the first photodetectors.

Abstract: A motor vehicle comprising a body defining a passenger compartment, a plurality of wheels; and a sensor designed to detect a parameter associated with a superficial condition of a road surface; the sensor comprises, in turn, an emitter configured to emit a first laser signal towards a road surface; and one or more single-photon avalanche diodes configured to detect a second laser signal corresponding to the reflection of the first laser signal against said road surface.

Abstract: Electrical system of a road vehicle comprising a high-voltage electric circuit provided with a first power storage system and a low-voltage electric circuit provided with a second power storage system and with a plurality of electrical loads; an electronic DC-DC power management and conversion system, which connects the low-voltage electric circuit and the high-voltage electric circuit to each other so as to selectively transfer electrical energy from the high-voltage electric circuit to the low-voltage electric circuit and/or vice versa; the electronic system comprises a control unit configured to detect a malfunction of the first storage system and/or of the second storage system and/or of at least one of the electrical loads and to control, depending on the malfunction, a conversion device and a distribution unit in order to ensure the supply of power to at least some priority loads among the electrical loads.

Abstract: An electric actuator apparatus comprising: an electric motor, comprising in turn a stator and a rotor, which is configured to rotate about an axis according to the power transmitted by the stator; a control unit configured to control the electric motor via a feedback control; a position detection system configured to provide the control unit with an angular position of the rotor; a reading portion, which is integral to the rotor and provided with an encoded surface on which a plurality of codes that can be associated with the angular position of the rotor are fixed; an optical or laser sensor element, which is arranged integral to the stator and so as to point toward the encoded surface.

Abstract: Power interface control device of a vehicle propulsion battery potential ports to carry out differential potential measurements, a current sensor to measure a current supplied by the propulsion battery and a closed container made of insulating material to which said ports and said sensor are associated, wherein said container comprises connection means to allow a mechanical coupling between the container and said electrical conductor.

Abstract: A method for the diagnosis of thermal runaway in an electric battery having at least one stack of electrochemical cells connected to one another in series. The diagnosis method provides for the steps of: measuring a first electric voltage at the ends of each electrochemical cell; measuring a second electric voltage at the ends of the entire stack of electrochemical cells; calculating a difference between the second electric voltage and the sum of all first electric voltages; and diagnosing a thermal runaway of an electrochemical cell, if the first electric voltage of the electrochemical cell is smaller than a first threshold value and if, simultaneously, the difference between the second electric voltage and the sum of all first electric voltages is smaller than a second threshold value.

Abstract: A process for controlling an electric motor includes providing a functional relationship, which associates a first and a second quantity , indicative of a torque delivered by the electric motor and of the supply voltage respectively, with a speed parameter of the electric motor, determining a pair of values of the first and of the second quantity , determining a value of a third quantity indicative of an output speed of the electric motor, determining a value of the speed parameter corresponding to the pair of values determined through the functional relationship, determining a value of a fourth quantity indicative of a difference between the value of the speed parameter and the value of the third quantity, determining a target value for the first quantity as a function of the value of the fourth quantity, and controlling the electric motor according to the determined target value.

Abstract: Road vehicle comprising at least one electric motor; an acoustic system, which comprises at least one reproduction device, which generates a sound that can be associated with the electric motor; wherein the electric motor is mechanically connected to the reproduction device so as to be able to excite a resonant frequency thereof; and a control unit configured to control the electric motor so as to inject at least one sonority current or voltage, as an input, to the electric motor itself; wherein said at least one sonority current or voltage excites a frequency resulting in a vibration of said at least one reproduction device, which emits, due to the vibration, in the form of acoustic waves, a sound as a function of the injected sonority current or voltage.

Abstract: A vehicle having: two front wheels; two rear wheels; two electric motors, which are connected to the two wheels of a same axle; and an electronic power converter to control both electric motors. The electronic power converter has: two groups of power modules; at least one capacitor, which is connected in parallel to a DC input; a container, which houses the two groups of power modules and the capacitor and is provided with a cup-shaped body provided with a lower wall; and a cooling system provided with a chamber, which is configured to be flown through by a cooling liquid. The chamber of the cooling system is delimited, on one side, by the lower wall of the cup-shaped body of the container and, on the other side, by a containing wall, which is arranged at a given distance from the lower wall.

Abstract: An electronic power converter to control at least one electric motor of a vehicle and having at least one group of power modules, each designed to power with an alternating current one single phase of the electric motor; two lateral plates, which are arranged on opposite sides of the group so as to form a pile; a hydraulic circuit, which is configured to cause a cooling liquid to circulate inside the plates; and a clamping system, which applies a clamping force to the pile in order to keep the pile compressed and has elastic elements, which are deformed in order to apply a compression force of elastic origin to the pile.

Abstract: Electric drive system of a hybrid or electric vehicle comprising at least a first and a second battery pack, said first battery pack being formed by a first plurality of equal cells, wherein a cell of said first plurality of cells identifies a first predetermined C-rate coefficient (power/capacity) and said second battery pack being formed by a second plurality of equal cells, wherein a cell of said first plurality of cells identifies a second predetermined C-rate coefficient (power/capacity) higher than said first predetermined coefficient, and wherein the drive system comprises at least a first and a second set of electromagnetic induction windings, respectively independently powered by said first and second battery pack by means of relative first and second inverter.

Abstract: An electric system of a road vehicle; the electric system has: a high-voltage electric circuit provided with a first storage system; a low-voltage electric circuit provided with a plurality of electrical loads; and a DC-DC electronic power converter, which connects the low-voltage electric circuit and the high-voltage electric circuit to one another. The DC-DC electronic power converter has: a high-voltage input; a low-voltage output; a conversion device; a control unit, which controls the conversion device; and a second storage system connected to the low-voltage output. The control unit, only when the vehicle is parked, is configured to detect a state of charge of the second storage system and to activate the conversion device only when the state of charge of the second storage system is below a charge threshold to charge the second storage system.

Abstract: An electric system of a road vehicle; the electric system has: a high-voltage electric circuit provided with a first storage system; a low-voltage electric circuit provided with a plurality of electrical loads; and a DC-DC electronic power converter, which connects the low-voltage electric circuit and the high-voltage electric circuit to one another. The DC-DC electronic power converter has: a high-voltage input; a low-voltage output; a conversion device; a control unit, which controls the conversion device; and a second storage system connected to the low-voltage output. The control unit, only when the vehicle is parked, is configured to detect a state of charge of the second storage system and to activate the conversion device only when the state of charge of the second storage system is below a charge threshold to charge the second storage system.

Abstract: Power interface control device of a vehicle propulsion battery potential ports to carry out differential potential measurements, a current sensor to measure a current supplied by the propulsion battery and a closed container made of insulating material to which said ports and said sensor are associated, wherein said container comprises connection means to allow a mechanical coupling between the container and said electrical conductor.

Abstract: Electric drive system of a hybrid or electric vehicle comprising at least a first and a second battery pack, said first battery pack being formed by a first plurality of equal cells, wherein a cell of said first plurality of cells identifies a first predetermined C-rate coefficient (power/capacity) and said second battery pack being formed by a second plurality of equal cells, wherein a cell of said first plurality of cells identifies a second predetermined C-rate coefficient (power/capacity) higher than said first predetermined coefficient, and wherein the drive system comprises at least a first and a second set of electromagnetic induction windings, respectively independently powered by said first and second battery pack by means of relative first and second inverter.