Journal Title : International Journal of Modern Trends in Engineering and Science
Author’s Name : K.Saravana Kumar, S.Vaishnavi
Volume 01 Issue o3 March 2014
ISSN no: 2348-3121
Abstract—Indoor air quality (IAQ) is a key factor for ensuring safety, health and comfort of the people. Since physical variables describing IAQ, such as the concentration of volatile organic compounds (VOCs), concentrations of gaseous air contaminants and that of other toxic gases need to be closely monitored, concept of control network needs to be implemented. In this paper, a framework of sensor network for monitoring IAQ is explained where sensors are physically distributed and the serial communication network CAN (Controller Area Network) is used to exchange system information. CAN is a high integrity serial bus protocol that is designed to operate at high speeds ranging from 20kbit/s to 1Mbit/s which provide an efficient, reliable and very economical link between sensor nodes and display node. The communication between the sensor nodes and the display node through the CAN bus is evaluated using Hardware tests.
Keywords— Indoor Air Quality, Sensor Network, Controller Area Network
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