“Grand Bassin” Case Study: An Original Proof-Of-Concept Prototype for Wireless Power Transportation

Douyère, Alexandre; Pignolet, Guy; Rochefeuille, Edouard; Alicalapa, Frédéric; Luk, Jean-Daniel Lan Sun; Chabriat, Jean-Pierre

doi:10.1109/wpt.2018.8639227

Cited by 2 publications

(2 citation statements)

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“…These rely on the transmission of focused electromagnetic (EM) space-waves. In this category, there are two predominant LR-WPT technologies in use, laser power beaming and RF microwave power transfer (MPT) [11]- [14]. Both techniques use far-field electromagnetic waves to transfer power.…”

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confidence: 99%

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Through the Soil Long Range Wireless Power Transfer for Agricultural IoT Networks

Nieman

Johnson

Pearce

et al. 2024

IEEE Trans. Ind. Electron.

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Increasing the spatial and temporal density of data using networked sensors, known as the Internet of Things (IoT), can lead to enhanced productivity and cost savings in a host of industries. Where applications involve large outdoor expanses, such as farming, oil and gas, or defense, large regions of unelectrified land could yield significant benefits if instrumented with a high density of IoT systems. The major limitation of expanding IoT networks in such applications stems from the challenge of delivering power to each sensing device. Batteries, generators, and renewable sources have predominately been used to address the challenge, but these solutions require constant maintenance or are sensitive to environmental factors. This work presents a novel approach where conduction currents through soil are utilized for the wireless powering of sensor networks, initial investigation is within an 0.8-ha (2-acre) area. The technique is not line-of-sight, powers all devices simultaneously through near-field mechanics, and has the ability to be minimally invasive to the working environment. A theory of operation is presented and the technique is experimentally demonstrated in an agricultural setting. Scaling and transfer parameters are discussed. Keywords-Wireless power transfer, Through the Soil, Long Range, conduction I. INTRODUCTIONDecision making based on real-time/measured data is critically important to boosting revenue/productivity in many industries. Sensor installation throughout the industrial process plays a fundamental role in these tools. The number of sensors that can be installed is limited by two primary factors: (1) the cost (including installation/maintenance) of the sensor and Manuscript received Month xx, 2xxx; revised Month xx, xxxx; accepted Month x, xxxx.

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“…Zhu [12] gives a side-by-side summary of present MPT endeavors. These systems either exhibit very low efficiency or have short transmission distances [14], [15]. While some companies are commercializing laser power beaming and MPT based systems, they are in the very early stages of development with limited prototypes demonstrated [16], [17].…”

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confidence: 99%