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Related Experiment Video

Updated: Jul 1, 2025

Tracking Infiltration Front Depth Using Time-lapse Multi-offset Gathers Collected with Array Antenna Ground Penetrating Radar

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Low-Power and Wireless Communication Research on Underground Displacement Three-Dimensional Monitoring System.

Nanying Shentu¹, Xianyang Zhang¹, Qing Li¹

¹College of Mechanical and Electrical Engineering, China Jiliang University, Hangzhou 310018, China.

Sensors (Basel, Switzerland)

|March 13, 2024

Summary

This study introduces an improved 3D underground displacement monitoring system. The enhanced system uses low-power design and Bluetooth for reliable, accurate geological disaster prediction, even in harsh conditions.

Keywords:

Bluetooth wireless transmission technology dynamic power management low power consumption three-dimensional measurement underground displacement

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In Situ Soil Moisture Sensors in Undisturbed Soils

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Published on: November 18, 2022

Area of Science:

Geotechnical Engineering
Geological Disaster Prevention
Sensor Technology

Background:

Underground displacement monitoring is vital for preventing geological disasters.
Existing 1D methods lack accuracy in reflecting internal rock and soil mass movement.
There is a need for reliable, long-term monitoring systems for geological hazard prediction.

Purpose of the Study:

To introduce a novel three-dimensional (3D) underground displacement measurement method and monitoring system.
To enhance the reliability and long-term operational stability of the 3D monitoring system.
To improve the timeliness and accuracy of geological disaster prediction.

Main Methods:

Implementation of low-power design theory to minimize sensing unit energy consumption (sleep current reduced to 0.09 mA).
Application of dynamic power management technology for optimized energy use during detection cycles.
Integration of Bluetooth wireless transmission technology for robust, relay-type network communication, replacing traditional wired systems.

Main Results:

Achieved significant reduction in power consumption for individual sensing units.
Established a resilient wireless network communication that prevents single-unit failure from affecting the entire system.
Maintained high monitoring accuracy with horizontal and vertical displacement errors not exceeding 1 mm.

Conclusions:

The optimized 3D underground displacement monitoring system offers enhanced reliability and accuracy.
The integration of low-power design and Bluetooth technology ensures stable, long-term operation under adverse environmental conditions.
The system significantly improves the prediction capabilities for geological disasters.