Publication: Automatización del control de inventario mediante redes de sensores
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2015-10
Defense date
2015-10-29
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Abstract
El propósito del presente proyecto consiste en el desarrollo de una aplicación de control de inventario. Este sistema se compone de una red de nodos de sensores (Waspmote) conectados en modo infraestructura contra un punto de acceso de red WLAN. El back-end es una aplicación web ejecutándose sobre el contenedor de servlets Apache Tomcat.
Waspmote es un dispositivo ampliamente configurable mediante distintos tipos de módulos y sensores. La configuración hardware que se ha utilizado en los nodos Waspmote está conformada a por un módulo WiFi, como dispositivo de comunicación de datos, y un módulo RFID, para la lectura de las tarjetas de los elementos a inventariar, ambos conectados a la placa madre del dispositivo Waspmote.
Los nodos se encuentran sincronizados con el servidor del sistema utilizando el protocolo NTP. Para la transmisión hacia el servidor de los datos leídos haciendo uso del módulo RFID, los dispositivos Waspmote se valen del protocolo web HTTP 1.0. Cuando se produce algún error en la transmisión de los datos, los nodos disponen de una tarjeta SD que es utilizada para almacenar y guardar las cadenas HTTP que iban a ser enviadas al servidor.
Desde el punto de vista de los usuarios administradores, la aplicación de control de inventario actúa como una interfaz web para los datos de la lógica del sistema. Esta interfaz cuenta con diferentes roles de acceso que proporcionan a los administradores diferentes capacidades de actuación sobre el sistema.
La solución utiliza también una aplicación DNS y un servidor SMTP que complementan las funcionalidades del sistema de control de inventario.
The aim of this project is the development of an inventory control application. This system consists of a network of nodes connected in infrastructure mode against a WLAN access point device. The back-end is a Web application running on the servlet container Apache Tomcat. Waspmote is a highly configurable device that allows using different types of modules and sensors. The hardware configuration used in the Waspmote node is formed by a WiFi module as communication device, and a RFID module for reading the items to inventory, both connected to the motherboard of the Waspmote device. These nodes are synchronized with the system server using the NTP protocol. To transmit the data read using RFID module to the server, the Waspmote devices use the web protocol HTTP 1.0. When an error occurs in the transmission of the data, the nodes have an SD card that is used to store and save the HTTP chains that were going to be sent to the server. From the point of view of the administrator users, the inventory control application acts as a web interface for the system logic data. This interface has different access roles that grant to the administrators different capacities for action on the system. The solution also has installed a DNS application and a SMTP server which complement the functionality of the inventory control system simulating a real business environment.
The aim of this project is the development of an inventory control application. This system consists of a network of nodes connected in infrastructure mode against a WLAN access point device. The back-end is a Web application running on the servlet container Apache Tomcat. Waspmote is a highly configurable device that allows using different types of modules and sensors. The hardware configuration used in the Waspmote node is formed by a WiFi module as communication device, and a RFID module for reading the items to inventory, both connected to the motherboard of the Waspmote device. These nodes are synchronized with the system server using the NTP protocol. To transmit the data read using RFID module to the server, the Waspmote devices use the web protocol HTTP 1.0. When an error occurs in the transmission of the data, the nodes have an SD card that is used to store and save the HTTP chains that were going to be sent to the server. From the point of view of the administrator users, the inventory control application acts as a web interface for the system logic data. This interface has different access roles that grant to the administrators different capacities for action on the system. The solution also has installed a DNS application and a SMTP server which complement the functionality of the inventory control system simulating a real business environment.
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Radiocomunicación, Redes de comunicación, Waspmote, WiFi, RFID