Tire Sensor Setup Mode for Automatic Wheel Positioning
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Solution Overview
Problem
Current methods for configuring tire pressure sensors in trucks are cumbersome and prone to human error, and existing automatic systems are inadequate due to challenges in distinguishing signal strengths from different wheel configurations and axles with dual tires.
Innovation Solution
An electronic component in the tire, such as a tire pressure sensor, activates a setup mode in response to an external signal or pressure threshold, transmitting numerous signals at short intervals to facilitate position determination using radio signal strength, which is then used to automatically determine its position relative to the vehicle.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If manual programming using a handheld device is used, then configuration can be performed, but extra effort and potential human error are introduced
Solution Approach 1:
The electronic component automatically determines its own position using signal strength measurements from the vehicle's receiver, eliminating the need for manual programming by technicians. The component autonomously configures itself by analyzing RF signal characteristics and identifying its location based on maximum signal strength patterns.
2Ease of operation
If automatic position determination using signal strength is implemented, then manual effort is reduced, but difficulty in distinguishing signal strengths from different wheel configurations and axles with dual tires arises
Solution Approach 1:
The electronic component enters a setup mode where it transmits multiple test signals at different power levels before normal operation. This preliminary action allows the system to establish baseline signal strength patterns and identify the component's position before actual tire pressure monitoring begins, resolving the ambiguity in dual-tire configurations.
Solution Approach 2:
The system transmits more signals than strictly necessary for basic communication, using excessive signal transmissions during setup mode to ensure sufficient data points are collected for accurate position determination. This allows reliable differentiation even in complex wheel configurations with dual tires.
3Adaptability or versatility
If electronic identification devices are equipped in tires, then control systems can be adapted to specific tire types, but additional hardware costs are incurred
Solution Approach 1:
The existing electronic component (tire pressure sensor or pump controller) is made multi-functional by adding automatic position determination capabilities to its existing radio communication functionality. No separate identification device is needed; the same RF transmitter and receiver serve both tire pressure monitoring and position determination purposes.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables accurate and automated positioning of tire components without additional hardware costs, reducing human error and ensuring reliable operation even in vehicles with fluctuating signal strengths, such as trucks and construction machines.
Implementation Method 1
The sensor then sends a response in the form of an RF radio signal (RF: Radio Frequency), for example, at a frequency of 315 MHz or 434 MHz
Implementation Method 2
using an in-vehicle system based on the signal strength received by the vehicle's RF receivers
Data Source
Figure 1
Figure 2~3
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AI summary
The present invention relates to a method, a computer program with instructions, and a device for setting up a control system for an electronic component arranged in a tire of a motor vehicle. The invention also relates to an electronic component suitable for use with a method or device according to the invention. In a first step, a setup mode of the electronic component is activated (10). The electronic component then sends (11) a plurality of signals with a time interval that is shorter than the time interval in other operating modes of the electronic component. The transmitted signals are received by means of a receiver arranged in the vehicle (12). The signal strength of the received signals is then determined (13).Based on the signal strength, the position of the electronic component relative to the vehicle is determined (14). After the position determination is complete, the setup mode of the electronic component is deactivated (15).