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Energy-Smart Buildings: Monitoring and Control via Wireless Sensor Networks

Honor Student Energy-Smart Buildings: Monitoring and Control via Wireless Sensor Networks

Department: Physics and Engineering
Symposium Year: 2013
Student(s): Wade Robinson, Josiah Rawlings, Matthew White, Ryan Masters, Raymond Azenadaga
Faculty Mentor(s): Dr. Mohammed Eltayeb

The new Sustainable Energy Research Facility (S.E.R.F.) has plans to be a completely off-grid facility that will require no outside power to function.  The facility will generate its power through wind turbines, solar panel grids, solar collectors, biomass incinerator, and hydrogen ionizer.  Our project will focus on monitoring and controlling the efficiency of the facility through wireless sensor networks.  Our main focus was monitoring and controlling the temperature in the main research laboratory using radiant floor actuators.  In order to control the radiant floor actuators, we designed an array of sixteen wireless motes (4 by 2 by 2).  The array is configured with two layers so that we could gain a more complete understanding of the heat map of the room.  We then created an actuator control circuit that uses optocouplers to control the three radiant floor actuators for the three different zones of the room using the LED outputs of the mote processor board.  We also created a circuit that would step down and convert the 28 Volt AC transformer output to a compatible voltage that could be handled by the motes.  The transformer circuit allowed us to eliminate the need for batteries to power our controlling circuit for the actuators.  Then, we combined the actuator controller, wireless sensor mote, transformer, and our designed circuit into a sealed water resistant electrical box that would be mounted in S.E.R.F. for operation.  Finally, we set up a long range transmitter and receiver that allowed us to transmit our collected data from S.E.R.F. to Compton Science Center. 

 

 

 

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