Texture based inferred switching for irrigation scheduling...

A - Human Necessities – 01 – G

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A01G 25/16 (2006.01)

Patent

CA 2387752

The present invention provides a method for remote management of a plurality of irrigation sites, each site having a receiving device in communication with one or more switching devices for controlling irrigation of the site, the method comprising the steps of: (a) establishing a number of soil moisture models, each site being associated with an appropriate model; (b) for each model: (i) making progressive estimates of soil moisture content; and (ii) determining whether the soil moisture content has fallen below a refill point for the model; and (c) for each model in respect of which the soil moisture content has fallen below the refill point, communicating an irrigation signal to the receiving devices of all sites associated with the model to initiate, or enable, irrigation of those sites; wherein each model is adapted to control the irrigation of any number of sites associated with the model. The invention also provides a distributed system and associated apparatus for implementing the method.

La présente invention concerne un procédé de gestion à distance d'une pluralité de sites d'irrigation, chaque site comprenant un dispositif de réception en communication avec un ou plusieurs dispositifs de commutation destinés à commander l'irrigation du site, le procédé comprenant les étapes consistant: (a) à établir un certain nombre de modèles d'humidité du sol, chaque site étant associé à un modèle approprié; (b) pour chaque modèle (i) à faire des estimations progressives de la teneur en humidité du sol et (ii) à déterminer si la teneur en humidité du sol a chuté sous un point de recharge pour le modèle; et (c) pour chaque modèle par rapport auquel la teneur en humidité du sol a chuté sous le point de recharge, à transmettre un signal d'irrigation aux dispositifs de réception de tous les sites associés au modèle afin d'entamer, ou de valider, une irrigation de ces cites; chaque modèle étant adapté pour commander l'irrigation de n'importe quel nombre de sites associés au modèle. L'invention concerne également un système réparti et un appareil associé de mise en application du procédé.

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