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Distributed Laser Charging: A Wireless Power Transfer Approach
Open accessAbstract
Wireless power transfer (WPT) is a promising solution to provide convenient and perpetual energy supplies to electronics. Traditional WPT technologies face the challenge of providing Watt-level power over meter-level distance for Internet of Things (IoT) and mobile devices, such as sensors, controllers, smart-phones, laptops, etc. Distributed laser charging (DLC), a new WPT alternative, has the potential to solve these problems and enable WPT with the similar experience as WiFi communications. In this paper, we present a multimodule DLC system model, in order to illustrate its physical fundamentals and mathematical formula. This analytical modeling enables the evaluation of power conversion or transmission for each individual module, considering the impacts of laser wavelength, transmission attenuation, and photovoltaic-cell (PV-cell) temperature. Based on the linear approximation of electricity-to-laser and laser-to-electricity power conversion validated by measurement and simulation, we derive the maximum power transmission efficiency in closed-form. Thus, we demonstrate the variation of the maximum power transmission efficiency depending on the supply power at the transmitter, laser wavelength, transmission distance, and PVcell temperature. Similar to the maximization of information transmission capacity in wireless information transfer (WIT), the maximization of the power transmission efficiency is equally important in WPT. Therefore, this paper not only provides the insight of DLC in theory, but also offers the guideline of DLC system design in practice.
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Cited by
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Mohsan, S. A. H., Khan, M. A., Noor, F., Ullah, I., & Alsharif, M. H. (2022) · Drones · doi:10.3390/drones6060147 · Cited by 916
A Review on UAV Wireless Charging: Fundamentals, Applications, Charging Techniques and Standards
Chittoor, P. K., Chokkalingam, B., & Mihet-Popa, L. (2021) · IEEE Access · doi:10.1109/access.2021.3077041 · Cited by 269
Wireless power transfer: systems, circuits, standards, and use cases
Van Mulders, J., Delabie, D., Lecluyse, C., Buyle, C., Callebaut, G., Van der Perre, L., & De Strycker, L. (2022) · Sensors · doi:10.3390/s22155573 · Cited by 141
Metadata
- Authors
- Zhang, Q., Fang, W., Liu, Q., Wu, J., Xia, P., & Yang, L.
- Venue
- IEEE Internet of Things Journal
- Published
- 2018-10
- Volume
- 5
- Issue
- 5
- Pages
- 3853-3864
- ISSN
- 2327-4662 (ISSN-L)
- 2372-2541
- OpenAlex
- W2783673249
- Cited by
- 191
- References
- 0
- FWCI
- 5.83
- Type
- journal article
- Language
- en
- Open access
- green
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- Zhang, Q., Fang, W., Liu, Q., Wu, J., Xia, P., & Yang, L. (2018). Distributed Laser Charging: A Wireless Power Transfer Approach. IEEE Internet of Things Journal. https://doi.org/10.1109/jiot.2018.2851070
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