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Distributed control network for irrigation management

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TLDR
In this article, a distributed control network for irrigation management is presented, where each of the controllers can transmit, receive and respond to commands initiated by any device or satellite controller on the network.
Abstract
A system and method for operating a distributed control network (fig3) for irrigation management The system incorporates several irrigation controllers (15) wherein each of the controllers (15) can transmit, receive and respond to commands initiated by any device or satellite controller (15) on the network (fig3), a communication bus (23) that is connected to the controllers (15), a central computer (25) that is connected to the bus (23), several sensing devices (21) that are connected to each controller (15), and several sprinkler valves (17) that are connected to each controller (15) The controllers (15) can be operated in local mode via a user interface and in a remote mode via a wireless connection (27) The controllers (15) are capable of monitoring and acknowledging the commands that are transmitted on the bus (23)

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Citations
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Patent

Modular and Expandable Irrigation Controller

TL;DR: In this paper, the authors describe several implementations of modular irrigation controllers, in which various functional components of the irrigation controller are implemented in removable modules that when inserted into position within the controller, expand the capabilities of the controller.
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Internet-enabled central irrigation control

TL;DR: A method and apparatus for Internet-enabled irrigation control is described in this paper, where an irrigation controller is coupled to a wide area network, such as the Internet, via a wireless carrier network.
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TL;DR: In this paper, a long-range radio frequency (RF) transceiver-controller module configured to transmit and receive RF signals in one or more of the 433, 868, 915 MHz, and 2.4 and 5.8 GHz Industrial, Scientific and Medical (ISM) frequency bands is provided that is capable of consistently transmitting such signals over a range of 100 metres or more without line of sight, including underground.
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Code replacement for irrigation controllers

TL;DR: In this article, the authors provide irrigation controllers comprising: a housing; a control unit including a first microcontroller configured to execute irrigation programs and a first set of code; and a removable plug-in device that removably mates with a portion of the irrigation controller.
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Distributed environmental control in a wireless sensor system

Dale Hitt
TL;DR: In this article, the authors propose a method for providing environmental monitoring and control using a network of wireless nodes, the wireless nodes include an array of sensor nodes and a array of actuator nodes, each wireless node including a wireless transceiver, a processor and one of a sensor device or an actuator device.
References
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Patent

Highly automated agricultural production system

TL;DR: In this article, the authors present a highly automated agricultural production system which comprises, as essential components: 1. A data transmitting subsystem for forwarding data generated by the direct and indirect sensing means to computing means and for transmitting instructions from the computing means via interfacing means to various devices (field effectors) in the agricultural area to perform various functions.
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Closed loop control system, sensing apparatus and fluid application system for a precision irrigation device

TL;DR: In this article, an automatic irrigation system includes a movable irrigation device having a fluid delivery nozzle and a fluid manifold positioned along the mobile irrigation device and adapted to receive irrigation fluid from a supply source, including a detector of moisture present within an agricultural field including an output on which signals representing the detected moisture level are placed.
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TL;DR: In this article, a system and method for using evapotranspiration (ET) and/or predicted precipitation data in controlling automated and semi-automated irrigation systems is presented.
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TL;DR: In this paper, a transportable memory device (30) that holds sixty-four separate programs for microprocessor-controlled irrigation controllers is used to upload a program from a personal computer to the controller.
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Method and apparatus for a customizable low power RF telemetry system with high performance reduced data rate

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