The document discusses the role of sensors and analytics in the context of smart buildings, emphasizing their contribution to energy efficiency and occupant comfort. It highlights key components like HVAC systems, energy distribution, and various types of sensors used for monitoring. Furthermore, energy analytics is presented as an essential tool for identifying energy savings and improving overall building performance.

1. SENSORS AND ANALYTICS
FOR SMART BUILDINGS
DAWN JOHN MULLASSERY
ELECTRICAL ENGINEER, ENERGY SYSTEMS
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2. OVERVIEW
• BUILDINGS AND ENERGY CONSUMPTION
• SMART BUILDINGS
• ENERGY DISTRIBUTION IN BUILDINGS
• HVAC - WORKING AND COMPONENTS
• SENSORS
• SENSOR AND CONTROLLER DATA IN
ENERGYANALYTICS
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3. BUILDINGS AND ENERGY
Source: https://www.seas.ucla.edu/~pilon/PCMIntro.html3

4. SMART BUILDINGS
Source: http://www.ibm.com/smarterplanet/us/en/green_buildings/overview/4

5. WHAT MAKES A BUILDING
SMART ?
Safe, Comfortable
and Productive
Environment for
Occupants
Energy
Efficiency
SMART
BUILDING
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6. ENERGY DISTRIBUTION IN
SMART BUILDINGS
Source: http://www2.schneider-electric.com/sites/corporate/en/products-services/product-launch/smart-panels/building-energy-
savings.page
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7. HVAC Systems
 HVAC: Heating, Ventilation, Air Conditioning
 Condition air to a preferred temperature and
humidity for comfort
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8. HVAC SYSTEMS
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9. HVAC WORKING
A H U
Source: https://www.eclimatenotebook.com/fundamentals_nl.php
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10. AIR HANDLING UNIT (AHU)
Source: https://www.eclimatenotebook.com/fundamentals_nl.php
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11. SENSORS AND CONTROLLERS
Source: http://www.electrical-knowhow.com/2012/04/hvac-control-systems-and-building.html
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12. SENSORS
 THERMISTORS (20ºC to 24ºC)
 HUMIDITY SENSORS (50% RH to 65% RH)
 CARBON DIOXIDE SENSORS ( 450 ppm to 650
ppm)
 OCCUPANCY SENSORS
(ASHRAE standards)
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13. ENERGY ANALYTICS
 Fault Detection in building systems
 Continuous energy monitoring and real time or close-
to-real time alerts
 Identifies anomalies and patterns in building data
Where does the data come from??
Sensors and Controllers
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14. ENERGY ANALYTICS
Source: Advanced Sensors and Controls for Building Applications: Market Assessment and Potential R&D Pathways
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15. SUMMARY
 Buildings contribute to 40% of total energy
consumption
 Excellent candidates for energy savings
 Smart buildings and building automation is critical
and gaining popularity
 Energy analytics is a powerful tool that has the
potential to save energy and improve building
performance
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16. THANK YOU!
Q & A
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