Wireless Fiber Surveillance System for Remote Monitoring
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Solution Overview
Problem
Existing optical fiber surveillance systems face limitations in monitoring remote locations for vibrations, acoustic signals, and stresses, particularly in minimizing danger to monitoring personnel and improving spatial resolution for detecting disturbances.
Innovation Solution
The use of wireless communications in fiber surveillance systems allows for the deployment of optical fibers connected to wireless transmitters that transmit return signals from monitored structures, enabling remote monitoring and analysis, with the option for partial or total signal analysis at the transmitter end, and deployment in two-dimensional topologies for enhanced spatial resolution.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If optical fiber surveillance systems are deployed to monitor remote locations for vibrations and acoustic signals, then monitoring capability is improved, but danger to monitoring personnel increases
Solution Approach 1:
The patent replaces mechanical/wired connection systems with wireless communication technology. The optical fiber surveillance system uses wireless transmitters to send monitoring data from remote locations without requiring physical connection to the monitoring personnel, thereby eliminating the danger associated with personnel deployment in hazardous environments while maintaining monitoring capability.
2Measurement precision
If optical fiber is deployed in two-dimensional topologies, then spatial resolution for detecting disturbances is improved, but device complexity increases
Solution Approach 1:
The patent transitions from traditional one-dimensional linear fiber deployment to two-dimensional topological deployment. This dimensional change allows the fiber network to cover broader areas and provide superior spatial resolution for detecting disturbances at multiple locations simultaneously, while the wireless communication component helps manage the increased system complexity by enabling distributed monitoring without complex wired connections.
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
This approach minimizes risk to monitoring personnel by allowing remote operation and improves spatial resolution for detecting disturbances, enabling continuous or periodic monitoring and alerting systems for abnormalities, such as unauthorized activity or impending collisions.
Implementation Method 1
A backscattered light in response to receiving the coherent light pulses is produced and coupled into an optical receiving fiber. The backscattered light is detected by a photodetector
Implementation Method 2
A fiber that is deployed in the structure or region being monitored is connected to a wireless transmitter that is used to transmit, to a receiving system, return optical signals
Data Source
AI summary
In accordance with one aspect of the disclosed technology, wireless communications are used in a fiber surveillance system to enable monitoring of remote locations for vibrations, acoustic signals, stresses, stress fatigue or other detectable characteristics. A fiber that is deployed in the structure or region being monitored is connected a wireless transmitter that is used to transmit, to a receiving system, return optical signals obtained with the surveillance system. The return signals can be transmitted in raw form or after partial or total analysis.