Patent classifications
B60C23/0437
TIRE MOUNT POSITION DETECTION SYSTEM, TIRE MOUNT POSITION DETECTION METHOD, AND TIRE MOUNT POSITION DETECTION PROGRAM
The tire mount position detection system measures a first signal intensity, which is intensity of a radio signal received by a first receiver (R1), and a second signal intensity, which is intensity of a radio signal received by a second receiver (R2), for each transmitter, and calculates a difference of the first signal intensity and the second signal intensity and a total value of the first signal intensity and the second signal intensity for each transmitter. The tire mount position detection system detects the wheel position to which a tire having the transmitter is mounted, based on the difference and the total value of each transmitter.
Tire parameter monitoring system
A tire parameter monitoring system comprising at least two RF repeaters, wherein each of the at least two RF repeaters is dedicated to an individual sensor unit of at least two sensor units.
Method for detecting a change in location of at least one wheel of a motor vehicle
A method for detecting a change in location of at least one wheel of a motor vehicle, the vehicle having at least one central processing unit, one wheel unit which includes an electronic assembly of sensors and which is mounted on the wheel, and one bidirectional communications assembly. The method notably includes a first comparison step, during which a first evaluation pattern is compared with a first reference pattern to determine whether the location of the wheel has changed, the patterns being representative of the effective location of the wheel unit in the motor vehicle.
Tire mount position detection system, tire mount position detection method, and tire mount position detection program
A tire mount position detection system measures a first signal intensity, which is intensity of a radio signal received by a first receiver (R1), and a second signal intensity, which is intensity of a radio signal received by a second receiver (R2), for each transmitter, and calculates a total value of the first signal intensity and the second signal intensity for each transmitter. The tire mount position detection system detects the wheel position to which a tire having the transmitter is mounted, based on the first signal intensity, the second signal intensity, and the total value of each transmitter.
Method for pairing a measurement module mounted in a motor vehicle wheel
A method for pairing a measurement module with a wheel of a motor vehicle. The method is implemented by a computer and includes, for each received measured signal, determining the power of the measured signal, determining the angular orientation of each wheel and identifying, in a plurality of tables, a row and column pair including the determined power and the angular orientation of each wheel. The pairing being performed when, for a number of determined columns of each table higher than a first minimum threshold, the number of row and column pairs identified in one table is lower than a predetermined maximum threshold and the number of row and column pairs identified in the other tables is higher than a second minimum threshold.
Systems and methods for vehicle TPMS localization
Method and apparatus are disclosed for localizing vehicle TPMS sensors. An example vehicle includes a plurality of TPMS sensors, an antenna, and a processor. The processor is configured for determining signal strength values between each of the plurality of TPMS sensors and the antenna, and based on the signal strength values, determining a location of each of the plurality of TPMS sensors.
TPMS autolocalization using direction sensitive antennas
A method of localizing a TPMS sensor module includes transmitting, by the TPMS sensor module, a TPMS signal; and localizing, by a localization module, the TPMS sensor module based on receiving the TPMS signal at a phase array antenna including a plurality of reception antennas each configured to receive the TPMS signal at a different phase, where the plurality of reception antennas include a reference reception antenna and at least one additional reception antenna. Localizing the TPMS sensor module includes measuring a reference phase of the TPMS signal received at the reference reception antenna, measuring a respective shifted phase of the TPMS signal received at each of the at least one additional reception antenna, determining a respective phase shift between the reference phase and each respective shifted phase, and determining a location of the TPMS sensor module based on each determined respective phase shift corresponding to the TPMS signal.
Method for identifying the wheels of a motor vehicle
A method whereby a central unit carried on board a motor vehicle can identify the wheels of a motor vehicle, by locating a radiofrequency black spot for transmissions between a wheel unit with which a wheel of a motor vehicle is equipped and a wheel-monitoring central control unit carried on board the vehicle, a wheel angle encoding independent of the transmission being in any case performed in order to measure the true rotation of the wheel at a given instant. A string of successive frames providing full angular coverage of the wheel is transmitted from the wheel unit, a receive rate for the frames being established and analyzed in order to detect at least one spot of poorer reception corresponding to the at least one black spot, the angle encoding providing an angle of rotation of the wheel at the instant of detection of the at least one black spot.
Method for wireless optimization of wheel monitoring in a vehicle, a wheel monitoring system of a vehicle, and electronic wheel unit and control device for a wheel monitoring system
An aspect of the invention relates to a method for the radio-oriented optimization of wheel monitoring in a vehicle equipped with vehicle wheels, wherein the monitoring of at least one of the vehicle wheels is prompted by an electronic wheel unit arranged on the relevant vehicle wheel capturing at least one wheel operating parameter of the vehicle wheel, and radio signals containing information about the at least one captured wheel operating parameter being transmitted for a respective wheel rotational position of the vehicle wheel, stipulated by the electronic wheel unit, wherein the radio signals are received and evaluated by a control device of the vehicle and wherein the radio-oriented optimization of the wheel monitoring is prompted by the electronic wheel unit being used to transmit multiple radio signals for different wheel rotational positions, wherein the radio signals are received by means of the control device and rated in respect of their respective radio signal strength, wherein the control device is used to transmit an optimization radio signal to the electronic wheel unit, wherein the optimization radio signal contains optimization information formed on the basis of the rating of the radio signals, and wherein the electronic wheel unit is used to receive the optimization radio signal, and the optimization information contained therein is taken into consideration for the stipulation of the wheel rotational position of the vehicle wheel for radio signals that are to be transmitted subsequently.
TIRE MOUNT POSITION DETECTION SYSTEM, TIRE MOUNT POSITION DETECTION METHOD, AND TIRE MOUNT POSITION DETECTION PROGRAM
A tire mount position detection system measures a first signal intensity, which is intensity of a radio signal received by a first receiver (R1), and a second signal intensity, which is intensity of a radio signal received by a second receiver (R2), for each transmitter, and calculates a total value of the first signal intensity and the second signal intensity for each transmitter. The tire mount position detection system detects the wheel position to which a tire having the transmitter is mounted, based on the first signal intensity, the second signal intensity, and the total value of each transmitter.