City Research Online

Abstract

In this study, we introduce a novel tomato plant 'wearable' bioimpedance sensor design inspired by neuroprostheses. The design involves a robustly closing asymmetric tetrapolar cuff electrode to monitor hydration related bioimpedance. The aim of the design is to achieve optimal performance, ease of installation, durability, and cost-effectiveness. In the initial stages of this research, we elucidate our design methodology, utilizing COMSOL FEM simulations to define the optimal cuff geometry with an emphasis on the significance of tight closure. Additionally, we present the fabrication of initial dummy electrodes using a standard flexible PCB process, introducing a novel 'serrated cable-tie' design to achieve tight closure around the plant stem.

Publication Type:	Conference or Workshop Item (Paper)
Additional Information:	© 2025 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
Publisher Keywords:	plant sensor, plant wearable, bioimpedance, impedance, tetrapolar, cuff electrode, cable-tie cuff, flexible PCB
Subjects:	Q Science > QA Mathematics > QA75 Electronic computers. Computer science Q Science > QK Botany S Agriculture > SB Plant culture T Technology > T Technology (General) T Technology > TK Electrical engineering. Electronics Nuclear engineering
Departments:	School of Science & Technology School of Science & Technology > Department of Engineering
SWORD Depositor:	Symplectic Administrator

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