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 

Page No:64-67

AbstractIndoor 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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