Authors:

Luke Lovelace

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About Paper:

An unattended ground sensor (UGS) is a device that is used to collect data in an inaccessible or hostile environment. It is mainly used by the military for remote monitoring and detection of enemy forces. However, there are many possible uses for the technology, such as the one explored in this paper. This paper proposes a low-power UGS system that integrates multiple energy sources, including solar, and thermoelectric energy, to ensure continuous operation. The device has multiple possible sources of power integrated together to run its sensors and store data for future use. The device features an advanced power management circuit capable of optimizing power harvested from these sources. Excess energy is stored in an efficient energy storage system, enabling the sensor to remain operational even when power sources are not actively outputting sufficient energy. The collected data is transferred wirelessly to a moving vehicle, which also provides power for the transmission through a phased array. The phased array is calibrated through a specialized algorithm that works quickly to allow the vehicle that transmits the power to continuously move. The circuits for the power management system, energy storage, and wireless communication subsystems are designed and implemented in CMOS technology using Cadence. Additionally, the calibration algorithm is analyzed using MatLab. Poster #6 Outcrop Sketch: A Machine Learning Approach for Geological Feature Identification Carol Geng

Source:

Texas A&M University / 2025

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Co-authors:

Luke Lovelace