GPS Tracker Battery Life via Adaptive Transmission
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Solution Overview
Problem
GPS tracking devices for assets like boats and recreational vehicles face battery life issues due to constant data transmissions, especially when the assets are stationary or within geofenced locations, leading to unnecessary power consumption and frequent battery replacements.
Innovation Solution
A GPS tracking system with an internal battery supply that includes Firmware Management software and an accelerometer, allowing data transmission frequency to be adjusted based on location and movement, using SaaS applications for data collection via wireless technologies, and the option to run on the asset's battery, optimizing battery life by reducing transmission frequency when stationary or within geofences.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If constant data transmissions are performed to track asset location, then tracking accuracy and data availability are improved, but battery life deteriorates
Solution Approach 1:
The system dynamically adjusts data transmission frequency based on asset movement state. When the accelerometer detects motion, the device increases transmission frequency to provide real-time tracking. When stationary, it reduces frequency to conserve battery, directly resolving the contradiction between data availability and battery life
Solution Approach 2:
The system implements periodic transmissions with variable intervals. Instead of constant transmissions, it uses time-based periodic cycles that adapt their frequency based on location changes and movement detection, reducing overall power consumption while maintaining necessary tracking data availability
2Measurement precision
If high frequency data transmissions are performed, then real-time location accuracy is improved, but power consumption increases
Solution Approach 1:
The system applies different transmission frequencies to different operational contexts. High frequency transmissions are used only when location changes are detected (requiring high precision), while low frequency transmissions are used when stationary (where precise real-time tracking is less critical), optimizing the balance between accuracy and power consumption
Solution Approach 2:
The accelerometer provides feedback about asset movement state to the transmission control logic. This feedback mechanism allows the system to automatically increase transmission frequency when motion is detected (needing accurate tracking) and decrease it when stationary, dynamically optimizing the accuracy-power consumption balance
3Loss of information
If the GPS device runs continuously to provide tracking data, then data completeness is improved, but battery depletion rate increases
Solution Approach 1:
The system performs partial tracking actions based on need. Instead of continuous full-frequency transmissions, it selectively transmits data when movement is detected or at reduced intervals when stationary, providing sufficient tracking completeness for most use cases while significantly reducing battery depletion
Solution Approach 2:
The system changes operational parameters (transmission frequency, power mode) based on detected conditions. When the accelerometer detects prolonged stationary state, it modifies transmission parameters to reduce frequency, thereby reducing energy loss while maintaining adequate data completeness for inventory and sales tracking 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
The system extends battery life by conserving power through adaptive data transmission, allowing for longer operation without battery replacements and providing valuable marketing data on asset movement and sales, which can be mined for inventory control and marketing insights.
Implementation Method 1
an accelerometer attached to the GPS tracking device that determines whether the GPS tracking device is moving or stationary
Data Source
AI summary
A GPS tracking device and system, attached to a boat or other asset, with enhanced battery life includes SaaS application to monitor the status of the GPS tracking device battery and determine the intensity of the tracking information desired as the asset and GPS tracking device is moved from the manufacturer to the consumer. The GPS tracking device is mounted within the boat or other asset on the assembly line or in the field at such location as a dealer, for example, and is carried on the boat from the manufacturer to the dealer and ultimately to the consumer.