RCAR Project - Robotic Context Awareness by RFID [v.3]
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Uploaded by ramontebar on Jun 15, 2008
http://labloguera.net/blogs/rcar
Base on location awareness concept, RCAR Project present an RFID approach to improve location accuracy of autonomous systems in indoor spaces.
The system is composed of these elements:
• Robot Lego Mindstorm NXT with light sensor and two servomotors. Basically, we have built a three wheel robot that is able to carry a PDA client system in the middle of the artifact to get its center position.
The robot is controlled by an application that runs in a desktop PC and gets through the client by Bluetooth (watch video: RCAR - NXT Remote Control).
• Sensing surfaces, which are physical surfaces where autonomous entities, like the NXT robot, can be located within a space. A sensing surface is divided into a grid of small squared surfaces or locations units. Each location unit has a unique identifier.
To implement this, we have used passive tags RFID, where each one represents a location unit. Therefore, a sensing surface will be a grid of tags RFID.
• PDA with Wi-Fi connection. It has been attached a compact flash passive RFID reader (HF-13.56 MHz). The reader reads tags from the sensing surface and retrieves the location unit identification code. This code is sent through the wireless communication to a localization manager.
We have developed a .NET mobile application that sends these codes to the localiton manager through low-level socket connection.
• The location manager is responsible for mapping the identification code to the physical surface that it represents. It is a socket server that is waiting a request from the RFID mobile client.
• Map representation client. The user can trace the robot route and explore its localization by means of this application client. In our case, this is a desktop application which is also connected with the location manager (watch video: RCAR -- Map Representation client). Nevertheless, it could be a mobile or a web application, according to our necessities.
Uploader Comments (ramontebar)
All Comments (2)
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english
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Muy buena presentación y un buen proyecto muy "currado" con una gran idea.
Buen futuro estas labrando.
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Muchas gracias por el comentario!
ramontebar 3 years ago