| 摘要 |
The present invention relates to a method and system for recognizing an ID and acquiring sensor information based on ID assignment of a tire pressure monitoring system (TPMS) sensor module. The method includes the following steps: (a) an electronic control unit (ECU) sends a command (select CMD) of activating TPMS sensor modules to the TPMS sensor modules, designates the number of response time slots of the TPMS sensor module, and sends a query command including the designated number of response time slots to the TPMS sensor modules; (b) the TPMS sensor module that has received the query command sets a time slot for sending a random bit value based on the number of the response time slots and generates the random bit value to send it to the ECU at the set time slot; (c) the ECU sends, to the TPMS sensor module, a reception completion response including the ID set to the TPMS sensor module and the random bit value; (d) the TMPS sensor module compares the random bit value contained in the reception completion response with the generated random bit value and then, if the random bit values are matched, records the ID contained in the reception completion response as its own TPMS sensor module ID, and sends an ID recording completion response (ID response) to the ECU; and (e) the ECU stores the TMPS sensor module ID together with position information of a tire. |
