Ingeniería en Sistemas, Electrónica e Industrial

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    Sistema electrónico para el monitoreo y control de variables agrícolas empleando los principios de smart farming y agricultura de precisión
    (Universidad Técnica de Ambato. Facultad de Ingeiería en Sistemas, Electrónica e Industrial. Carrera de Telecomunicaciones, 2025-02) Chato Guangasi Henry Paul; Córdova Córdova Edgar Patricio
    In contemporary society, agriculture plays a pivotal role. Although it is predominantly cultivated in the conventional manner, which is outdoors, there has been a notable increase in the cultivation of crops in controlled environments, such as greenhouses. This shift is driven by the need to safeguard plantations from the adverse effects of abrupt climate changes. Moreover, the integration of advanced technology tools has enabled enhanced control over the soil in which the plantations are situated, a practice known as precision agriculture. In this context, a study was conducted with the primary objective of implementing a system to control and monitor agricultural variables using Precision Agriculture and Smart Farming principles. It is imperative to have soil conducive to successful harvesting, as this is directly linked to achieving higher production and quality. The system is founded on the implementation of LoRaWAN technology, a system capable of managing multiple nodes with a high degree of reliability and without the loss of any information. The system is comprised of four distinct stages: data acquisition, transmission, control and processing, and visualization. The acquisition stage involves the use of sensors to gather data from the soil and the environment within the greenhouse, with a demonstrated reliability of 98.1%.The transmission stage employs LoRaWAN technology, utilizing Heltec LoRa32 microcontrollers and a gateway that functions as a central receiver for data from all nodes. The processing and visualization stage employs a dedicated graphical interface, facilitating the observation of measured variables through time-series graphs. In the control stage, the actuators demonstrated high efficiency, responding promptly and accurately to the programmed instructions
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    Sistema automatizado de control y monitoreo basado en tecnología Lorawan y MQTT para el cultivo de hortalizas bajo invernadero
    (Universidad Técnica de Ambato. Facultad de Ingeniería en Sistemas, Electrónica e Industrial. Carrera de Ingeniería en Electrónica y Comunicaciones, 2023-03) Pérez Reyes, Freddy Josué; Sánchez Zumba, Andrea Patricia
    The continuous progress of technology and the application of the Internet of Things (IoT) in the agricultural sector has allowed an advance in the systems that favor the development of crops. This project develops a control and monitoring system for the cultivation of vegetables under greenhouse in the Huachi Grande parish of Ambato. The objective is to provide the grower with an autonomous system capable of making intelligent decisions without the need for constant supervision by a person. The system allows monitoring and control of temperature and humidity, as well as pH levels and the amount of radiation that the plants receive during the day, and also has an artificial lighting system. The purpose of this research work is to provide a favorable environment for cultivation inside a greenhouse, for this we work with temperature and humidity sensors, soil moisture sensors, pH sensor and solar radiation sensor. In order to control the temperature inside the greenhouse, two fans and an automatic curtain closing and opening system by means of a low-speed electric motor are used, as well as soil humidity control, which is carried out by means of drip irrigation. On the other hand, for pH monitoring, a sensor is used for the water that enters the crop through the irrigation hoses. Finally, a solar radiation sensor is used to monitor the amount of radiation received by the plants, in order to activate artificial lighting, if necessary, with the objective of increasing the period of time during which the plant performs photosynthesis. The technology used is based on LoRaWAN and the MQTT protocol. The system has two Lora nodes and a gateway to communicate with the server and connect the system to the Internet. To control the system, an HMI based on Node-RED is used, which allows constant real-time monitoring, automatic or manual control of the system and visualization of daily statistics. In addition, the system has a control and monitoring through the Telegram application, through which the producer receives alert notifications and can control the system manually.