Fastener Tracker Using Motion Pattern Analysis for Power Mode Switching
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Solution Overview
Problem
Real-time or frequent monitoring of cargoes during long sea transits is not informative and consumes battery power quickly, necessitating a solution to conserve energy while maintaining effective tracking.
Innovation Solution
A system that replaces batteries with kinetic energy generators, detecting motion patterns to switch between high and low power modes based on whether the tracker is at sea or on land, using sensors and a computational device to determine location and trigger events.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If real-time or frequent monitoring is performed during sea transit, then tracking accuracy is improved, but battery power is consumed more quickly
Solution Approach 1:
The system dynamically adjusts monitoring frequency based on detected motion patterns. When wave patterns indicate sea transit, the system switches to low-power mode with reduced monitoring frequency. When motion patterns indicate land transit, the system switches to high-power mode with real-time monitoring, thereby adapting energy consumption to actual tracking needs
Solution Approach 2:
The system changes operational parameters (monitoring frequency, power consumption level) based on detected environmental conditions. By analyzing accelerometer data to determine motion patterns, the system adjusts the monitoring parameter from high-frequency real-time monitoring to low-frequency periodic monitoring when at sea, and vice versa when on land
2Reliability
If real-time monitoring is performed during land transit, then tracking effectiveness is improved, but battery lifespan is reduced
Solution Approach 1:
The system dynamically switches between operational modes based on transit environment detection. During land transit where tracking effectiveness is critical, the system operates in high-power real-time monitoring mode. During sea transit where cargo conditions remain stable, the system switches to low-power mode, thereby extending battery lifespan while maintaining tracking effectiveness when needed
3Use of energy by moving object
If the tracker operates in low power mode during sea transit, then energy consumption is reduced, but monitoring frequency decreases
Solution Approach 1:
The system applies partial monitoring action appropriate to the transit conditions. During sea transit where cargo conditions are stable and real-time monitoring yields little additional information, the system reduces monitoring frequency to periodic checks, consuming less energy. During land transit where conditions may change rapidly, the system restores full real-time monitoring frequency
Solution Approach 2:
The system uses feedback from motion pattern analysis to adjust monitoring frequency. Accelerometer data is continuously analyzed to detect wave patterns indicative of sea transit. Based on this feedback, the system automatically adjusts monitoring frequency - reducing it during sea transit and restoring it during land transit, creating a closed-loop adaptive monitoring system
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
Conserves energy by reducing power consumption when at sea, allowing for real-time monitoring when necessary on land, extending battery life and maintaining effective tracking and event detection.
Implementation Method 1
the tracker may also include a pressure sensor and an accelerometer... the computational device determines that the tracker is at sea based on a matching of a set of accelerometer data with a motion pattern indicative of waves rocking the tracker when at sea
Implementation Method 2
the tracker may also include a pressure sensor and an accelerometer
Data Source
AI summary
Embodiments of the present technology may include a system for tracking and monitoring, including a fastener, a triggering mechanism coupled to the fastener for reacting to physical movement of the fastener resulting from tampering, destruction, or uncoupling; a generator; a tracker coupled to the fastener, wherein the tracker determines a triggered event, and wherein the tracker switches to a low power mode based on an event.