Abstract: A method of monitoring aircraft tire operating parameters includes pairing of transmission modules with wheel positions of an aircraft to obtain a cartography associating emission modules with wheel positions, storing the obtained cartography, transmitting data including information identifying the emission module, and operating parameter values of tire operating parameters measured by a sensor, checking an existence of an association between the information identifying the emission module and a wheel position on a given aircraft in the cartography to ensure that the information received belongs to the given aircraft, and displaying the operating parameter values and the wheel on which the one operating parameter values have been measured.

Abstract: A measurement device for measuring the pressure of a wheel (3) of a vehicle, the measurement device comprising a stationary portion (5) and a movable portion (14) for being driven in rotation by the wheel, the stationary portion including a first printed circuit (7) having at least one first track formed thereon defining a first winding, the movable portion including a second printed circuit (16) having at least one second track formed thereon defining a second winding, the second printed circuit being arranged to be connected to a pressure sensor (15), the first winding and the second winding being coupled together to form a wireless communication channel, the measurement device being arranged in such a manner that the pressure sensor is electrically powered by the stationary portion via the wireless communication channel, and in such a manner that uplink data comprising pressure measurement data is transmitted to the stationary portion (5) by the movable portion (14) via the wireless communication channel.

Abstract: A measurement device for measuring the pressure of a wheel (3) of a vehicle, the measurement device comprising a stationary portion (5) and a movable portion (14) for being driven in rotation by the wheel, the stationary portion including a first printed circuit (7) having at least one first track formed thereon defining a first winding, the movable portion including a second printed circuit (16) having at least one second track formed thereon defining a second winding, the second printed circuit being arranged to be connected to a pressure sensor (15), the first winding and the second winding being coupled together to form a wireless communication channel, the measurement device being arranged in such a manner that the pressure sensor is electrically powered by the stationary portion via the wireless communication channel, and in such a manner that uplink data comprising pressure measurement data is transmitted to the stationary portion (5) by the movable portion (14) via the wireless communication channel.

Abstract: System for monitoring the inflation pressure of the tires of an aircraft comprising a pressure sensor carried by each of the wheel rims of an aircraft and delivering an inflation pressure for each of the tires mounted on these rims, a processing unit ensuring the conversion of the different tire inflation pressures into values that can be used by a display device making these different tire inflation pressures available to a pilot or a maintenance operator, the processing unit being distributed in each of the aircraft wheel covers and configured on the one hand to communicate with the wheel pressure sensor via a short-distance wireless communication link and on the other hand to ensure the transmission of the tire inflation pressure coming from the pressure sensor towards the display device via a medium-range wireless communication link.

Abstract: A measurement method for measuring the position of a movable body that is movable relative to a fixed body, the measurement method making use of a measurement device comprising a fixed portion for securing to the fixed body and a movable portion for securing to the movable body, the fixed portion including a first printed circuit (7; 20) having formed thereon first tracks (9) defining at least one emission pattern (10; 24) and also a plurality of measurement patterns (11; 25), the movable portion including a second printed circuit (8; 21) having formed thereon second tracks (14) defining at least one reception pattern (15; 27) and also at least one target pattern (16; 28), the first and second printed circuits being coupled together electromagnetically in such a manner that, when the emission pattern is excited by an excitation signal, an induced signal is received by the reception pattern and is then re-emitted by the target pattern, the measurement patterns then picking up measurement signals that are repre

Abstract: A measurement method for measuring the position of a movable body that is movable relative to a fixed body, the measurement method making use of a measurement device comprising a fixed portion for securing to the fixed body and a movable portion for securing to the movable body, the fixed portion including a first printed circuit (7; 20) having formed thereon first tracks (9) defining at least one emission pattern (10; 24) and also a plurality of measurement patterns (11; 25), the movable portion including a second printed circuit (8; 21) having formed thereon second tracks (14) defining at least one reception pattern (15; 27) and also at least one target pattern (16; 28), the first and second printed circuits being coupled together electromagnetically in such a manner that, when the emission pattern is excited by an excitation signal, an induced signal is received by the reception pattern and is then re-emitted by the target pattern, the measurement patterns then picking up measurement signals that are repre

Abstract: A measurement device for measuring speeds of rotation of at least two wheels of an aircraft undercarriage includes a measurement unit and a processor unit associated with each wheel. The measurement unit of each wheel is configured to transform the speed of rotation of the wheel into an electrical magnitude. The processor unit of each wheel is configured to acquire the electrical magnitudes produced by at least two measurement units in order to transform the electrical magnitudes into digital measurement signals representative of the speeds of rotation of at least two wheels, and in order to transmit the digital measurement signals to external equipment.

Abstract: An aircraft wheel and brake assembly includes a wheel, a brake configured to brake the wheel, and a measurement device configured to measure the speed of rotation of the wheel. The brake includes at least one friction member, an actuator support, and at least one brake actuator carried by the actuator support and configured to exert a braking force selectively on the friction member. The measurement device includes a target and a sensing component for producing a measurement signal representative of the speed of rotation of the target. The aircraft wheel and brake assembly is configured in such a manner that, when assembled, the target is constrained to rotate with the wheel and the sensing component is mounted on the actuator support. The target and the sensing component is configured in such a manner that the sensing component detects rotation of the target.

Abstract: A measurement device for measuring speeds of rotation of at least two wheels of an aircraft undercarriage includes a measurement unit and a processor unit associated with each wheel. The measurement unit of each wheel is configured to transform the speed of rotation of the wheel into an electrical magnitude. The processor unit of each wheel is configured to acquire the electrical magnitudes produced by at least two measurement units in order to transform the electrical magnitudes into digital measurement signals representative of the speeds of rotation of at least two wheels, and in order to transmit the digital measurement signals to external equipment.

Abstract: A method for measuring the rotation speed of a wheel including the steps of: acquiring an analog measurement signal (Sma) generated by a magnetic tachometer and containing a useful signal the frequency of which is representative of the rotation speed of the wheel; digitizing in real-time the analog measurement signal (Sma) in order to obtain a time-dependent digital measurement signal (Smnt); calculating a Fourier transform of the time-dependent digital measurement signal (Smnt) in order to obtain a frequency-dependent digital measurement signal (Smnf); and carrying out a frequency analysis in order to identify by a search for peaks a useful spectral line (16) so as to obtain the frequency of the useful signal and therefore the rotation speed of the wheel.

Abstract: An aircraft landing gear comprising an axle (3) intended to receive a wheel (4) comprising a rim (6) mounted to rotate on the axle (3) by means of at least one rolling bearing (8). The rolling bearing (8) comprises an inner ring (11) mounted around the axle (3) and an outer ring (12) rotationally secured to the rim (6) of the wheel (4). The landing gear further comprising a measurement device (21) intended to perform measurements of at least one operating parameter of the landing gear. The measurement device (21) is incorporated in the rolling bearing (8) by being secured to one of the inner or outer rings of the rolling bearing (8).

Abstract: A method for measuring the rotation speed of a wheel including the steps of: acquiring an analogue measurement signal (Sma) generated by a magnetic tachometer and containing a useful signal the frequency of which is representative of the rotation speed of the wheel; digitizing in real-time the analogue measurement signal (Sma) in order to obtain a time-dependent digital measurement signal (Smnt); calculating a Fourier transform of the time-dependent digital measurement signal (Smnt) in order to obtain a frequency-dependent digital measurement signal (Smnf); and carrying out a frequency analysis in order to identify by a search for peaks a useful spectral line (16) so as to obtain the frequency of the useful signal and therefore the rotation speed of the wheel.

Abstract: An aircraft landing gear comprising an axle (3) intended to receive a wheel (4) comprising a rim (6) mounted to rotate on the axle (3) by means of at least one rolling bearing (8). The rolling bearing (8) comprises an inner ring (11) mounted around the axle (3) and an outer ring (12) rotationally secured to the rim (6) of the wheel (4). The landing gear further comprising a measurement device (21) intended to perform measurements of at least one operating parameter of the landing gear. The measurement device (21) is incorporated in the rolling bearing (8) by being secured to one of the inner or outer rings of the rolling bearing (8).

Abstract: The invention relates to a measurement device for measuring the rotational speed of a vehicle wheel, the measurement device comprising a body (22) incorporating: a rotor (30) which can be rotated by the wheel and on which at least one permanent magnet (33) is mounted; a stator (31) comprising a winding (36) generating a measurement voltage when the wheel (2) and therefore the permanent magnet turn, the measurement voltage being indicative of the rotational speed of the wheel; an electronic board (32) comprising processing means for processing the measurement voltage; power supply means designed to generate, from the measurement voltage, a power supply voltage intended to power the electronic board.