Tracking Device Power Management via Dynamic Sensor Modes
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Solution Overview
Problem
Existing tracking devices face challenges in efficiently managing power consumption and communication, leading to rapid battery depletion and channel occupancy issues, especially when detecting transport or isolation, which can result in missed alarms and reduced object security.
Innovation Solution
A tracking device with a bidirectional wireless communication module, motion detector, and intelligent power management, capable of autonomously increasing or decreasing transmission power based on transport or isolation assessments, using sensors like acceleration, GPS, and radiation sensors to optimize energy use and communication frequency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the wireless communication module frequently checks connection and sends tracking messages, then the alarm responsiveness and object security are improved, but the battery life is depleted rapidly
Solution Approach 1:
The tracking device dynamically adjusts its operational mode based on detected conditions. In transport mode, it increases tracking message frequency and power transmission for better security monitoring. In isolation mode, it reduces communication frequency to conserve battery power, resolving the contradiction between reliable monitoring and energy consumption
Solution Approach 2:
The system changes key operational parameters (message frequency, transmission power, communication interval) based on detected conditions. When transport is detected, parameters are adjusted to enhance security; when isolation is detected, parameters are reduced to extend battery life, thus resolving the contradiction
2Reliability
If the tracking device increases transmission power to improve communication reliability, then the alarm responsiveness is improved, but the channel occupancy increases causing interference
Solution Approach 1:
The wireless communication module dynamically adjusts transmission power based on operational mode. In transport mode, higher power ensures reliable communication. In isolation mode, lower power reduces channel occupancy and interference while maintaining sufficient communication reliability, thus resolving the contradiction
Solution Approach 2:
The system changes transmission power parameters based on detected conditions (transport vs. isolation). This adaptive parameter adjustment ensures communication reliability when needed while minimizing channel occupancy and interference when security risk is lower
3Measurement precision
If the tracking device uses motion detector and sensors to detect transport or isolation, then the alarm accuracy is improved, but the device complexity increases
Solution Approach 1:
The tracking device uses built-in motion detectors and sensors to autonomously detect transport or isolation conditions and adjust its own operational parameters. This self-service capability improves alarm accuracy without requiring external complex systems, resolving the contradiction between measurement precision and device complexity
Solution Approach 2:
The motion detector and sensors serve multiple functions: detecting transport conditions, determining isolation status, and triggering appropriate communication modes. This multi-functionality improves alarm accuracy while minimizing the addition of separate complex subsystems
4Use of energy by moving object
If the tracking device reduces communication frequency to extend battery life, then the energy consumption is reduced, but the channel occupancy decreases leading to missed alarms
Solution Approach 1:
The tracking device dynamically adjusts communication frequency based on operational mode. In isolation mode, reduced frequency conserves energy. In transport mode, increased frequency ensures alarm reliability. This dynamic adjustment resolves the contradiction between energy consumption and alarm reliability
Solution Approach 2:
The system changes communication frequency parameters based on detected conditions. When isolation is detected, frequency is reduced to save energy. When transport is detected, frequency is increased to ensure alarm reliability, thus resolving the contradiction
Data Source
AI summary
Embodiments of a tracking device featuring a housing, which preferably is closed, waterproof, perhaps made from a synthetic material, and free of pressure switches or other man-machine interface, unless rudimentary at best, are disclosed. Typically, the tracking device comprises attachment means for its attachment to the object, which are suited to the object type. At best, its external shape is adapted to that of the object in such a way that the tracking device hardly vibrates or rattles during transport of the object. By virtue of its shape or by virtue of its attachment means, it is suitable for durable attachment to its object. Ideally, a tracking device measures only a few centimeters, or is even smaller. It should be suitable for being hidden in the object or for being separable therefrom only with difficulty. For such reasons alone, tracking devices differ from mobile telephones and the like.