A systematized multi-point sensors unit for a tire and a tire having the same are provided. More specifically, the systematized multi-point sensors unit includes: a sensor module composed of a plurality of sensors and attached onto an inner surface of a tire to monitor conditions of a tire and a road surface, and a connection member for connecting the plurality of sensors by wire, wherein the plurality of sensors are connected to each other by wire and arranged in a line in a manner of being perpendicular to a traveling direction of the tire.

A method for sampling wheel acceleration, a method for determining rotation angular position of a wheel, and a tire pressure monitoring system are disclosed. The method for sampling wheel acceleration may include: acquiring a real-time wheel acceleration value of a target wheel and calculating a time length required to rotate for a preset number of revolutions of the target wheel according to a first association relationship between the wheel acceleration and the time length required to rotate for the preset number of revolutions of the target wheel; obtaining a time interval between any two adjacent sampling points according to the time length required to rotate for the preset number of revolutions; and sampling the wheel acceleration of the target wheel once every the time interval starting from any time.

A system for predicting a road surface friction coefficient includes an external information acquisition part, a tire information acquisition part, and a friction coefficient prediction part. The external information acquisition part configured to acquire external information on a disturbance factor that affects a condition of a road surface on which a target vehicle travels. The tire information acquisition part configured to acquire tire information indicating a condition of a tire of the target vehicle. The friction coefficient prediction part configured to predict a friction coefficient between the tire and the road surface based on the tire information acquired by the tire information acquisition part and the external information acquired by the external information acquisition part. The friction coefficient prediction part predicts a friction coefficient of a road surface ahead of the target vehicle in a traveling direction.

Approaches are provided where direct communications between tire pressure sensors are provided. One sensor may act as a teacher while other sensors may act as students and learn from the teacher sensor.

An apparatus is provided for auto-locating positions of a plurality of wireless sensors on a vehicle. The apparatus comprises a receiving unit for receiving signals from the plurality of wireless sensors. The apparatus further comprises a processing unit arranged to calculate a probability value for each one of the plurality of wireless sensors based upon signals that have accumulated over a period of time to provide a table of probability values. Each probability value contained in the table during a calculation cycle of the processing unit is indicative of likelihood of one of the plurality of wireless sensors being located at a corresponding one of a plurality of positions on the vehicle. Each one of the plurality of wireless sensors is associated with the position having the highest probability value during the calculation cycle.

Sensor assemblies and systems comprise a housing configured with an electrical sensor device retained therein to protect the sensor device. The housing may include display indicia relating to some aspect of the sensor assembly. The electrical sensor device include electrical components useful for the purpose of monitoring and transmitting desired data relating to operating parameters/conditions of the dynamic article that the sensor assembly is attached with. The data is transmitted wirelessly from the electrical sensor device. The housing is removably attached with a retaining member that is also attached with the dynamic article or an element connected thereto. A receiver external from the dynamic article receives the data to determine such operating parameter/or conditions, when the dynamic article is a vehicle tire, as outside diameter, tread depth, pressure, radial load, vehicle camber and/or toe alignment variations, and tire/vehicle location, which may be stored.

A transceiver of a spare wheel includes a sensing unit having a pressure sensor and an acceleration sensor configured to output a detection signal according to a tire pressure of the spare wheel and an acceleration generated in the spare wheel, a first control unit configured to create a frame that processes the detection signal indicating the tire pressure and stores it as data related to the tire pressure, and a first transmitter receiver configured to transmit the frame. A receiver includes a second transceiver configured to receive a frame and transmit a response signal indicating that the frame is received and a second control unit configured to detect the tire pressure and transmit a response signal from the second transceiver when the frame is received.

An abnormality monitoring system includes gas sensors provided in the cavity or the vicinity of a tire provided in a vehicle, a determination unit that determines the presence of an abnormality in the tire on the basis of the detection results of the gas sensors, and an output unit that outputs data based on the determination result of the determination unit. The gas sensors detect a volatile substance when abnormal heat build-up occurs in the tire. The volatile substance is a substance derived from an additive added when a tire is manufactured.

A tire-pressure monitoring system (TPMS) sensor module comprises a pressure sensor, which is configured to measure an internal air pressure of a tire and to generate tire pressure information, an additional, optional sensor, a transmitting/receiving device, a microcontroller unit which is configured to operate the TPMS sensor module in one of three or more different operating modes, wherein a first operating mode includes an inactive standby state, a second operating mode includes a measurement of a physical parameter using the pressure sensor and/or the additional sensor and reading the pressure sensor and/or the additional sensor using the microcontroller unit, and a third operating mode, and wherein in the second operating mode the microcontroller unit is configured to initiate a changeover from the second operating mode to the third operating mode when reading out a specified measurement event.

A tire pressure monitoring unit is mounted on a vehicle wheel having a pressure and acceleration sensor. A method for assigning wheel positions includes pressure and acceleration data determined from the sensors. The pressure data and at least one piece of information derived from the acceleration data are transmitted wirelessly in a data telegram together with a characteristic identifier. Information concerning the reliability of the information derived from the acceleration data is acquired in the tire pressure monitoring unit on the basis of the measurements and is transmitted with the data telegram. A central evaluation unit considers a plurality of data telegrams and, taking account of data from the ABS sensors, assigns the individual tire pressure monitoring units to wheel positions. Data telegrams in which the reliability is higher receive a greater weighting, and data telegrams in which the reliability is smaller receive a smaller weighting.