Tire pressure monitoring method and system based on wireless sensor
A tire pressure monitoring system and wireless sensor technology, used in tire measurement, tire parts, transportation and packaging, etc., can solve problems such as safety hazards, traffic accidents, and attack TPMS, so as to improve reliability and resist counterfeiting attacks. Effect
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[0040] The present invention will be described in detail below in conjunction with various embodiments shown in the drawings. However, these embodiments do not limit the present invention, and any structural, method, or functional changes made by those skilled in the art according to these embodiments are included in the protection scope of the present invention.
[0041] ginseng figure 1 Shown is a schematic diagram of the structure of the wireless sensor-based tire pressure monitoring system of the present invention. The system includes several sensors and a central control unit of TPMS. The transmitted data frame of the wireless sensor contains a dynamic ID, and the ID includes a fixed part of the ID s and the rolling code part ID d Composition, and ID = ID s + ID d ; The central control unit decodes the ID in the received data frame, and compares it with the ID in the data frame sent by the sensor last time to judge the counterfeit attack.
[0042]Preferably, the pres...
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