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Sustainability 2018, 10(2), 421; https://doi.org/10.3390/su10020421

Voice-Controlled and Wireless Solid Set Canopy Delivery (VCW-SSCD) System for Mist-Cooling

1
Department of Physics and Engineering, California State University, 9001 Stockdale Highway, Bakersfield, CA 93311, USA
2
Department of Agricultural and Biological Engineering, University of Florida, Southwest Florida Research and Education Center, 2685 FL-29, Immokalee, FL 34142, USA
3
Department of Computer and Electrical Engineering and Computer Science, California State University, 9001 Stockdale Highway, Bakersfield, CA 93311, USA
4
Department of Plant Sciences, University of California, Wickson Hall, CA 95616, USA
*
Author to whom correspondence should be addressed.
Received: 22 January 2018 / Revised: 30 January 2018 / Accepted: 2 February 2018 / Published: 6 February 2018
(This article belongs to the Special Issue Information and Communications Technologies (ICT) for Sustainability)
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Abstract

California growers in the San Joaquin Valley believe that climate change will affect the pistachio yield dramatically. As the central valley fog disappears, insufficient dormant chill accumulation results in poor flowering synchrony, flower quality, and fruit set in this dioecious species. We have developed a novel, user-friendly, and low-cost Voice-Controlled Wireless Solid Set Canopy Delivery (VCW-SSCD) system to increase bud chill accumulation with evaporative cooling on sunny (winter) days. This system includes: (i) an automated solid-state canopy delivery (SSCD) system; (ii) a wireless weather-, crop-related data acquisition system; (iii) a Voice-Controlled (VC) system using Amazon Alexa; (iv) a mobile application to visualize the collected data and wirelessly control the SSCD system; and (v) a smart control system. The proposed system was deployed and evaluated in a commercial pistachio orchard in Bakersfield, CA. The system worked well with no reported errors. Results demonstrated the system’s ability to cool bud temperatures in a low relative humidity climate. At an ambient temperature of 10–20 °C, bud temperatures were lowered 5–10 °C. View Full-Text
Keywords: Pistacia vera cv. “Kernan”; voice control; internet of things; wireless network; misting; pistachio; microelectronics; Alexa Amazon; tree dormancy; chill offset Pistacia vera cv. “Kernan”; voice control; internet of things; wireless network; misting; pistachio; microelectronics; Alexa Amazon; tree dormancy; chill offset
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Ampatzidis, Y.; Kiner, J.; Abdolee, R.; Ferguson, L. Voice-Controlled and Wireless Solid Set Canopy Delivery (VCW-SSCD) System for Mist-Cooling. Sustainability 2018, 10, 421.

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