Vehicle Tire Position Detection Using Temperature Profiles
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Solution Overview
Problem
Existing methods for determining the position of a vehicle tire on a vehicle require high transmission power and memory usage due to the need to transmit and store positional information, which is inefficient.
Innovation Solution
Determine the position of vehicle tires based on their distinct temperature characteristics, measured by onboard devices, using an external evaluation unit that processes these temperature values without requiring additional positional information transmission or storage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If additional information about tire position is transmitted by measuring devices, then the position determination is achieved, but the transmission power requirement increases
Solution Approach 1:
The patent extracts the position information determination from the measuring device itself and relocates it to an external evaluation unit. The measuring device only measures temperature and transmits this minimal data, while the evaluation unit performs the complex position determination algorithm using stored reference temperature profiles. This extraction eliminates the need for the measuring device to transmit additional position information, thereby reducing transmission power requirements while maintaining position determination accuracy.
2Measurement precision
If additional information about tire position is stored in measuring devices, then the position determination is achieved, but the storage space requirement increases
Solution Approach 1:
The patent extracts the position reference data and determination logic from the measuring device and places them in an external evaluation unit. The measuring device only stores minimal identification data, while the evaluation unit stores comprehensive reference temperature profiles for different tire positions. This extraction significantly reduces the storage space requirement in the measuring device while maintaining the ability to accurately determine tire position.
3Use of energy by moving object
If temperature characteristics are used to determine tire position, then transmission power is reduced, but the complexity of the evaluation system increases
Solution Approach 1:
The patent applies preliminary action by pre-storing reference temperature profiles for different tire positions in the evaluation unit before actual position determination is needed. These reference profiles are created in advance and used during operation to compare against measured temperature data. This preliminary preparation simplifies the real-time evaluation process, as the system only needs to compare measured temperatures against pre-existing references rather than performing complex calculations during operation, thereby managing system complexity while reducing transmission power requirements.
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
Reduces transmission power requirements and memory usage by relying solely on temperature measurements to determine tire positions, optimizing resource utilization.
Implementation Method 1
each of the pneumatic tires (2) having a measuring device (4), each measuring device (4) being suitable for measuring the temperature of the pneumatic tire (2) in or on which the measuring device (4) is arranged
Data Source
Figure 1~2
AI summary
The invention relates to a method for determining the position (3) of a vehicle tire (2) on a vehicle (1), comprising at least one of the following steps: providing a vehicle (1), wherein the vehicle (1) has a plurality of vehicle tires (2), each of the vehicle tires (2) having a measuring device (4), each measuring device (4) being suitable for measuring the temperature of the vehicle tire (2) in or on which the measuring device (4) is arranged; measuring the temperatures of the vehicle tires (2) by means of the measuring devices (4), wherein each vehicle tire (2) is assigned a value corresponding to the temperature measured on or in it; providing an evaluation device (5), wherein the values assigned to the vehicle tires (2) of the temperatures measured by means of the measuring devices (4) can be evaluated by means of the evaluation device (5);Providing a model, wherein the model is intended to determine the position (3) of the respective vehicle tire (2) on the vehicle (1), depending on the values of the measured temperatures assigned to the vehicle tire (2).