Système de contrôle automatisé de l'eau en culture de sphaigne

Authors: Goulet, Guillaume
Advisor: Godbout, StéphaneLagacé, Robert
Abstract: Sphagnum farming is the cultivation of Sphagnum mosses to produce biomass of non-decomposed Sphagnum fibers on a cyclic and renewable basis. A water control system is required to maintain the water table level through the season, in the context of variable weather conditions. A drainage and sub-irrigation system has been designed and installed in 2014 on the Sphagnum farming site near Shippagan (N.B). The objectives of this project are to define the drainage and irrigation system for Sphagnum farming and develop an adapted system for the site. The design of the system is based on the Sphagnum requirements, agricultural knowledge of drainage and irrigation and respect of site constrains. Water level measurement equipment allows evaluation and transmission of the water table level and the water level in ditches to the central control. The central control analyzes the conditions and control the pumps and the variable level dams. The energy is supplied by a system of solar panels and batteries. The variable level dam adapts the water output level in the control structure. The developed system achieves the design objectives. Improvement and optimization are planned. The system will be the basis of future research, in particular about flow modeling and predictive control.
Document Type: Mémoire de maîtrise
Issue Date: 2019
Open Access Date: 9 January 2020
Grantor: Université Laval
Collection:Thèses et mémoires

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