Tool Tracking in Vehicle Enclosures Under Temperature-Induced RF Failure
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Solution Overview
Problem
Existing tracking systems for objects equipped with wireless communication systems, such as RF tags, often fail due to temperature extremes outside the operating range, leading to incorrect conclusions about the object's theft or misuse.
Innovation Solution
A tool monitoring device is implemented in a vehicle to detect temperature-related failures of wireless communication systems within an enclosure, providing notifications and remedial actions to prevent failures and accurately determine the object's status.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a radio tag is attached to the object for tracking, then tracking capability is improved, but the system becomes vulnerable to temperature-induced failures
Solution Approach 1:
The patent introduces a monitoring device as an intermediary between the radio tag and the external environment. This device detects temperature conditions and communicates with the tracking system, allowing the system to distinguish between intentional deactivation and temperature-induced failure, thereby resolving the vulnerability to temperature effects while maintaining tracking capability
Solution Approach 2:
The system performs preliminary detection of temperature conditions before the radio tag fails. By monitoring temperature in advance and predicting potential failures, the system can take preventive actions or at least be prepared to correctly interpret the loss of signal, avoiding false conclusions about theft or misuse
2Adaptability or versatility
If the wireless communication system operates in extreme temperatures, then adaptability is improved, but failure rate increases
Solution Approach 1:
The patent implements a feedback mechanism where the monitoring device continuously detects temperature conditions and communicates this information to the tracking system. This feedback loop allows the system to understand when failures are due to temperature extremes rather than security issues, enabling better decision-making about object status without requiring the wireless system to reliably operate in all temperature conditions
3Reliability
If temperature monitoring and failure detection are added to the tracking system, then reliability is improved, but device complexity increases
Solution Approach 1:
The patent divides the tracking system into separate functional components: the original radio tag for tracking, and a separate monitoring device for temperature detection and failure analysis. This segmentation allows each component to perform its specialized function efficiently without requiring the radio tag itself to become more complex, while still achieving improved reliability through the combined system
Data Source
AI summary
This disclosure is generally directed to systems and methods related to tool tracking. In an example embodiment, a method may involve detecting, by a tool monitoring device, a failure of a wireless communication system included in a tool that is stored in an enclosure. The tool monitoring device may determine that the failure is attributable to a temperature in the enclosure being outside an operating temperature range of the wireless communication system. A notification of the failure and/or a description of a cause for the failure may be displayed on a display screen of the tool monitoring device and/or transmitted to a tool tracking device. In an example implementation, the tool tracking device is located outside a vehicle, the enclosure is a toolbox placed in the vehicle, and the tool monitoring device, which is configured to monitor an operational status of the wireless communication system, is located in the vehicle.