Low-Cost Passive Wireless Sensors for Agriculture and Environment Monitoring
Abstract
This research aims to investigate chipless, wireless passive sensors for agriculture and environmental monitoring where commercially available wireless sensors and their fabrication setups are expensive. In most cases, sensor use is limited by their high cost per unit. Our research targets and tries to solve the cost and reliability issues with multiple novel techniques. This work investigates the principles of chipless and wireless sensing elements and their producibility on low-cost substrates. We have developed sensors, and antenna circuitry on paper and further available for any substrates to ensure our work has the unique and easy-to-follow detailed process and experiments with its limitations, problems with their possible solutions. In addition to being wireless, our sensors have a multiplexing ability that allows multiple sensors to be built on substrates on the same tag, and the data can be received and processed wirelessly in an efficient way on the same substrate plane. Our chipless tag sensors have wireless moisture and temperature multiplexed measurement ability inside the soil, wireless ammonia detection and concentration measurement, wireless abiotic stress detection, differentiating biotic and abiotic stress on plants to ensure effective agricultural and environmental monitoring can be achieved by a low-cost chipless wireless and non-invasive tags. We have achieved sensors and sensing elements targeting wireless, compatible, easy to fabricate, and low cost. Our sensors can be built on any substrates with an additional ability to be multiplexed on the same tag. This research has detailed procedures of the design and fabrications. They are provided for those who want to design and fabricate their chipless and wireless sensors on any low-cost substrates.
Subject
Passive wireless sensorsAgriculture sensors
environment sensors
batteryless
chipless
multiplexing sensors
Citation
Dincel, Onder (2021). Low-Cost Passive Wireless Sensors for Agriculture and Environment Monitoring. Doctoral dissertation, Texas A&M University. Available electronically from https : / /hdl .handle .net /1969 .1 /200835.
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