Mobile Device BLE Proximity Motion Data Collection
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Solution Overview
Problem
Existing methods for collecting vehicle use and driving behavior data face challenges such as manual initiation and stopping of data collection, battery drain due to constant GPS usage, and inaccuracy in determining driving trips, especially in non-Bluetooth equipped vehicles.
Innovation Solution
A system and method utilizing a mobile communication device with software that detects Bluetooth Low Energy (BLE) devices and motor vehicle motion to automatically collect and store data using built-in sensors, turning GPS location services on and off as needed, ensuring efficient data collection without constant vehicle pairing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If GPS location services remain active to detect vehicle motion and determine driving trips, then data collection reliability is improved, but battery drain increases
Solution Approach 1:
The system uses periodic motion detection checks instead of continuous GPS monitoring. The mobile device periodically checks for vehicle motion using accelerometer data and only activates GPS location services when motion is detected, thereby maintaining data collection reliability while significantly reducing battery consumption during stationary periods.
Solution Approach 2:
The system uses the mobile device's built-in accelerometer and motion sensors to detect vehicle motion and determine driving trips, eliminating the need for continuous GPS activation. The device serves itself by using its own sensors to trigger GPS only when necessary, reducing energy consumption while maintaining reliability.
2Measurement precision
If the system requires Bluetooth pairing with the vehicle to initiate data collection, then data accuracy is improved, but device compatibility worsens
Solution Approach 1:
The system introduces a BLE beacon as an intermediary between the mobile device and the vehicle. The BLE device in the vehicle transmits signals that the mobile device can detect without requiring full Bluetooth pairing, thus maintaining data accuracy while significantly improving compatibility with vehicles that have BLE capabilities but not full Bluetooth.
Solution Approach 2:
The system is designed to work with multiple vehicle types by supporting both Bluetooth pairing and BLE beacon detection methods. This multi-functionality allows the same mobile application to accurately collect data from vehicles with different connectivity capabilities, enhancing overall adaptability and versatility.
3Use of energy by moving object
If data collection is manually started and stopped for each driving trip, then battery consumption is reduced, but ease of operation worsens
Solution Approach 1:
The system automatically detects driving trips using the mobile device's accelerometer and motion sensors, and autonomously starts and stops data collection without user intervention. The device monitors its own motion state and manages the data collection process, eliminating the need for manual operation while maintaining low battery consumption through intelligent activation.
Solution Approach 2:
The system continuously monitors accelerometer data and uses this feedback to automatically determine when to start and stop data collection. When motion patterns indicate a driving trip begins, the system automatically activates; when motion ceases, it automatically deactivates, creating a self-regulating system that balances ease of operation with battery conservation.
4Reliability
If the vehicle's engine control unit is kept active to support telematics devices, then data collection capability is improved, but battery drain increases
Solution Approach 1:
The system extracts the data collection functionality from the vehicle's engine control unit and relocates it to the mobile device. By using the mobile device's sensors and processing capabilities instead of keeping the vehicle's ECU active, the system maintains full data collection capability while eliminating the continuous power draw from the vehicle battery.
Solution Approach 2:
The mobile device independently performs all data collection, processing, and trip detection functions using its own sensors and computational resources. This self-service approach eliminates the need for the vehicle's engine control unit to remain active, as the mobile device completely handles the telematics functionality without drawing power from the vehicle's electrical system.
Data Source
AI summary
A system and method for collecting motor vehicle use, driving behavior or motor vehicle use and driving behavior data using a Bluetooth® low energy (“BLE”) device and a mobile communication device (“MCD”). One embodiment can automatically turn on the MCD Global Positioning System location services (“GPS”) and start the collection of such data when the MCD user is in a predetermined proximity of the motor vehicle and the vehicle is in motion as well as automatically turn off the GPS and stop data collection when the MCD is not in a predetermined proximity to the motor vehicle and BLE device and the motor vehicle stops moving.