Oscillation Signal Sensing System for Infrastructure Localization
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Infrastructure monitoring systems, such as those used for roads, face challenges in accurately localizing sections due to irregular topography like bridges, leading to distorted monitoring results.
Innovation Solution
A sensing system that processes time-distance information of oscillation signals from distributed sensing portions, estimates frequency densities, calculates similarity between sensing portions, and localizes sections based on this similarity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If distributed sensing portions are used to monitor infrastructure, then monitoring coverage is improved, but localization accuracy deteriorates due to irregular topography
Solution Approach 1:
The system changes the parameter used for localization from direct position-based methods to frequency density-based methods. By estimating frequency densities of oscillation signals and using these to determine similarity between sensing portions, the system achieves accurate localization despite irregular topography while maintaining wide monitoring coverage
Solution Approach 2:
The system replaces traditional mechanical positioning methods with signal processing-based localization. Instead of relying on geometric positioning that fails under irregular topography, the system uses oscillation signal frequency analysis to identify and localize infrastructure sections, substituting mechanical positioning logic with acoustic signal analysis
Data Source
AI summary
An object of the present disclosure is to provide a sensing system, a sensing method and a non-transitory computer readable medium capable of localizing. A sensing system includes at least one memory configured to store instructions; and at least one processor configured to execute the instructions to: obtain time-distance information of an oscillation signal for each distributed sensing portion, while the oscillation signal is acquired by the plurality of distributed sensing portions for sensing a monitoring target and is induced by traffic of a moving object, estimate frequency densities of the oscillation signal sensed by the sensing portions based on the time-distance information, estimate degree of similarity between pair of the sensing portions based on the frequency densities, and localize a section of the monitoring target based on the degree of similarity.