Vehicle Health Analysis Using Stored Sensor Data and Fleet References
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Solution Overview
Problem
Existing methods for analyzing a vehicle's state of health are not accurate enough and cannot be applied to vehicles without real-time data transmission capabilities during use.
Innovation Solution
A system comprising a vehicle and a processing unit, where a diagnosis unit coupled to the vehicle via wired or wireless connections collects sensor data and transmits it to a remote server for analysis, determining health parameters by comparing them to reference data from similar vehicles, providing a graphical interface for state assessment and maintenance suggestions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If real-time data transmission is implemented during vehicle use, then the state of health analysis can be performed continuously, but the device complexity and cost increase significantly
Solution Approach 1:
The patent applies preliminary action by collecting and storing sensor data in the vehicle's memory during use, preparing the data in advance for later analysis. This allows the vehicle to accumulate necessary operational data without requiring real-time transmission infrastructure, thereby maintaining analysis capability while avoiding the complexity of continuous data transmission systems.
2Measurement precision
If reference data from similar vehicles is used for comparison, then the measurement precision of state of health analysis is improved, but the loss of time for data collection and processing increases
Solution Approach 1:
The patent implements preliminary action by pre-collecting reference data from a fleet of similar vehicles and storing it in the memory. This reference data includes operational parameters and state of health information from multiple vehicles under various conditions. When analyzing a specific vehicle's health, the system quickly compares its sensor data against this pre-existing reference database, achieving high measurement precision without the time loss of collecting reference data in real-time.
Data Source
Figure 1
Figure 2~3B
Figure 3C~3D
AI summary
A system (1) comprising a vehicle (3) and a processing unit (4, 5, 6). The vehicle has a detection unit (7, 9) which detects, during a time of use of the vehicle, a physical quantity associated with the use of the vehicle and stores sensor data (SD) representative of the detected quantity. The processing unit is external to the vehicle and can be coupled to the vehicle. When coupled to the vehicle, the processing unit determines, starting from the sensor data, a health parameter representative of the use of the vehicle (3) during the time of use; compares the health parameter with respective reference data associated with an identification class of the vehicle; and determines a state of health of the vehicle associated with the health parameter, based on the comparison between the health parameter and the respective reference data.