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SmartBuildings: an Ambient Intelligence System for Energy EfficiencyGiuseppe Lo Re, Marco Ortolani, Marco Morana, Alessandra De PaolaUniversity of Palermo, Italy
Motivations
SmartBuildings: an AmI System for Energy Efficiency
� Smart Cities composed of efficient urban elements ¡ Energy, Transportation, Buildings
� Buildings are responsible for 40% of energy consumption and 36% of CO2 emissions in the EU [European Commission, 2015].
� Old buildings consume 6-8 times more than newer ones.
� Currently, about 35% of the EU's buildings are over 50 years old.
� ICT for reducing energy consumption of pre-existing buildings
Goals
SmartBuildings: an AmI System for Energy Efficiency
� Ambient Intelligence (AmI) for developing Smart Buildings ¡ Pervasive monitoring equipment ¡ Responsiveness to the users’ needs ¡ Respectful of energy saving requirements
� Smart Cities composed of Smart Buildings ¡ User communicates with Smart Buildings through mobile
devices ¡ Smart Buildings communicate each other to improve energy
efficiency and exchange services
Past Experiences
SmartBuildings: an AmI System for Energy Efficiency
� Wireless Sensor and Actuator Networks (WSANs) extend the functionalities of traditional WSNs by adding control devices, i.e., actuators.
� Artificial Intelligence approaches for optimizing the energy efficiency and satisfying user’s needs
� Research funded by ¡ POR FESR SICILIA 2007-2013, “SmartBuildings” for the realization
of an intelligent system for ubiquitous observations of pre-existing buildings.
¡ PON R&C Industria 2015, “SeNSori” for the definition of an Ambient Intelligence architecture for integrating sensors via a Plug&Play middleware
SmartBuildings Architecture
SmartBuildings: an AmI System for Energy Efficiency
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� Three-Layers architecture
� From raw data to abstract concepts
SmartBuildings Architecture - Physical Layer
SmartBuildings: an AmI System for Energy Efficiency
� Heterogeneous sensor network ¡ Environmental
conditions ÷ CO2/Temp/
Hum/Light ¡ Power
Consumption ¡ User Actions
� Actuators ¡ HVAC ¡ Light ¡ Windows
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Pervasive & distributed sensor & actuator
networks
WSN
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SmartBuildings: an AmI System for Energy Efficiency
Case Study – Campus
SENSORS ACTUATORS
SmartBuildings: an AmI System for Energy Efficiency
Case Study – Campus
SENSORS
CO2/Temp/Hum/Light
ACTUATORS
SmartBuildings: an AmI System for Energy Efficiency
Case Study – Campus
SENSORS
¢ CO2/Temp/Hum/Light u SW
ACTUATORS
SmartBuildings: an AmI System for Energy Efficiency
Case Study – Campus
SENSORS
¢ CO2/Temp/Hum/Light u SW
¤ Power consumption
ACTUATORS
¤
¤
¤ ¤ ¤
SmartBuildings: an AmI System for Energy Efficiency
Case Study – Campus
SENSORS
¢ CO2/Temp/Hum/Light u SW
¤ Power consumption n RFID
ACTUATORS
SmartBuildings: an AmI System for Energy Efficiency
Case Study – Campus
SENSORS
¢ CO2/Temp/Hum/Light u SW � Kinect
¤ Power consumption n RFID
ACTUATORS
�
SmartBuildings: an AmI System for Energy Efficiency
Case Study – Campus
� HVAC
ACTUATORS SENSORS
¢ CO2/Temp/Hum/Light u SW � Kinect
¤ Power consumption n RFID
�
�
�
SmartBuildings: an AmI System for Energy Efficiency
Case Study – Campus
� HVAC � Rolling shutters/curtains
ACTUATORS SENSORS
¢ CO2/Temp/Hum/Light u SW � Kinect
¤ Power consumption n RFID
� � �
�
SmartBuildings: an AmI System for Energy Efficiency
Case Study – Campus
� HVAC � Rolling shutters/curtains � Light
ACTUATORS SENSORS
¢ CO2/Temp/Hum/Light u SW � Kinect
¤ Power consumption n RFID
� � �
� � �
�
�
SmartBuildings Architecture - Middelware Layer
SmartBuildings: an AmI System for Energy Efficiency
� AmI building blocks ¡ Prediction of
how the observed physical quantities change over time ÷ Exploits past
and current measurements
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Pervasive & distributed sensor & actuator
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Environmental Predictor
SmartBuildings Architecture - Middelware Layer
SmartBuildings: an AmI System for Energy Efficiency
� AmI building blocks ¡ Environmental
Prediction ¡ User activity
recognition ÷ Hidden Markov
Model ÷ Heterogeneous
sensors
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Pervasive & distributed sensor & actuator
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Environmental Predictor
Activity Recognizer
SmartBuildings Architecture - Middelware Layer
SmartBuildings: an AmI System for Energy Efficiency
� AmI building blocks ¡ Environmental ¡ User activity
recognition ¡ Learning user
preferences ÷ Implicit and
explicit feedback ÷ Reinforcement
Learning
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Pervasive & distributed sensor & actuator
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Environmental Predictor
Activity Recognizer Profiler
SmartBuildings Architecture - Application Layer
SmartBuildings: an AmI System for Energy Efficiency
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Pervasive & distributed sensor & actuator
networks
� Hybrid Intelligence ¡ Deliberative
Intelligence ÷ Daily planning ÷ Find best action
rules for Reactive Intelligence
¡ Reactive Intelligence ÷ Fast reacts to
environment changes
WSN
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Environmental Predictor
Activity Recognizer Profiler
Deliberative Intelligence
Reactive Intelligence
Deliberative and Reactive Intelligence
SmartBuildings: an AmI System for Energy Efficiency
� Exploits output of AmI modules
ENVIRONMENTAL PREDICTOR
ACTIVITY RECOGNIZER PROFILER
DELIBERATIVE REACTIVE
Deliberative and Reactive Intelligence
SmartBuildings: an AmI System for Energy Efficiency
� Deliberative Intelligence: Daily planning (best action rules)
ENVIRONMENTAL PREDICTOR
ACTIVITY RECOGNIZER PROFILER
DELIBERATIVE REACTIVE
TABU SEARCH
FUZZY RULES
Deliberative and Reactive Intelligence
SmartBuildings: an AmI System for Energy Efficiency
� Reactive Intelligence: Fast reacts to environment changes
ENVIRONMENTAL PREDICTOR
ACTIVITY RECOGNIZER PROFILER
PLANNER
DELIBERATIVE REACTIVE
FUZZY CONTROL
TABU SEARCH
FUZZY RULES
Deliberative and Reactive Intelligence
SmartBuildings: an AmI System for Energy Efficiency
ENVIRONMENTAL PREDICTOR
ACTIVITY RECOGNIZER PROFILER
PLANNER
DELIBERATIVE REACTIVE
FUZZY CONTROL
TABU SEARCH
FUZZY RULES
IF Ti HIGH & Te HIGH & Hum LOW & A == MEETING THEN SET HVAC COOL, SET TEMP NORMAL COMMAND : [COOL, 24 °C]
Main Research Results
SmartBuildings: an AmI System for Energy Efficiency
� Intelligent Management Systems for Energy Efficiency in Buildings: A Survey. A. De Paola, M. Ortolani, G. Lo Re, G. Anastasi, S.K. Das. ACM Computing Surveys, 2015
� Adaptive Distributed Outlier Detection for WSNs. A. De Paola, S. Gaglio, G. Lo Re, F. Milazzo, M. Ortolani. In IEEE Transactions on Cybernetics, 2014
� Sensor 9k: A testbed for designing and experimenting with WSN-based ambient intelligence applications. A. De Paola, S. Gaglio, G. Lo Re, M. Ortolani. In Pervasive and Mobile Computing, 2012
Smart Cities: communities of SmartBuildings
SmartBuildings: an AmI System for Energy Efficiency
� Smart Buildings capable of communicating each other
� Cooperatively refine their energy saving strategies
Internet
Smart Cities: communities of SmartBuildings
SmartBuildings: an AmI System for Energy Efficiency
� Smart Buildings capable of communicating each other
� Cooperatively refine their energy saving strategies
� New buildings may exploit past experience of other buildings ¡ Adopt strategy already proved to be efficient
¡ Learned model for actuator effect on the environment
¡ Learned model of user behavior and preferences
Smart Cities: communities of SmartBuildings
SmartBuildings: an AmI System for Energy Efficiency
� Smart Buildings capable of communicating each other
� Cooperatively refine their energy saving strategies
� New buildings may exploit past experience of other buildings ¡ Adopt strategy already proved to be efficient
¡ Learned model for actuator effect on the environment
¡ Learned model of user behavior and preferences
� Distributed optimization for meeting common constraints and goals
Smart Cities: communities of SmartBuildings
SmartBuildings: an AmI System for Energy Efficiency
� Technological issues: Security ¡ Sensitive information can be intercepted by non authorized users
Smart Cities: communities of SmartBuildings
SmartBuildings: an AmI System for Energy Efficiency
� Technological issues: Security ¡ Sensitive information can be intercepted by non authorized users
¡ Malicious users can introduce false information into the system and compromise system reliability
Smart Cities: communities of SmartBuildings
SmartBuildings: an AmI System for Energy Efficiency
� Technological issues: Knowledge abstraction ¡ Buildings can have heterogeneous structures and equipment
Smart Cities: communities of SmartBuildings
SmartBuildings: an AmI System for Energy Efficiency
� Technological issues: Knowledge abstraction ¡ Buildings can have heterogeneous structures and equipment
¡ Buildings can adopt different tecnhological approach (e.g. fuzzy controller, Bayesian decision network)
FUZZY CONTROL
Smart Cities: communities of SmartBuildings
SmartBuildings: an AmI System for Energy Efficiency
� Technological issues: Knowledge abstraction ¡ Buildings can have heterogeneous structures and equipment
¡ Buildings can adopt different tecnhological approach (e.g. fuzzy controller, Bayesian decision network)
¡ How to represent energy strategies?
¡ How adapt models learned by other buildings?
Smart Cities: communities of SmartBuildings
SmartBuildings: an AmI System for Energy Efficiency
� Technological issues: Interaction with Users ¡ Users communicate remotely with buildings via mobile devices
Smart Cities: communities of SmartBuildings
SmartBuildings: an AmI System for Energy Efficiency
� Technological issues: Interaction with Users ¡ Users communicate remotely with buildings via mobile devices
¡ Privacy issues: identity privacy, location privacy
References
SmartBuildings: an AmI System for Energy Efficiency
� SmartBuildings: an AmI System for Energy Efficiency. A. De Paola, G. Lo Re, M. Morana, M. Ortolani. In Proceedings of the 4th International Conference on Sustainable Internet and ICT for Sustainability, 2015
� Human Activity Recognition Process Using 3-D Posture Data. S. Gaglio, G. Lo Re, M. Morana. In Human-Machine Systems, IEEE Transactions on, vol.45, no.5, pp.586-597, 2015
� Autonomic Behaviors in an Ambient Intelligence System. A. De Paola, P. Ferraro, S. Gaglio, G. Lo Re. In Proceedings of the 2014 IEEE Symposium on Computational Intelligence for Human-like Intelligence (IEEE SSCI 2014)
� User activity recognition for energy saving in smart homes. P. Cottone, S. Gaglio, G. Lo Re, M. Ortolani. In Journal of Pervasive and Mobile Computing, Volume 16, Issue PA, 2015, Pages 156-170
� Sensor Networks for Energy Sustainability in Buildings. A. De Paola, M. Ortolani, G. Lo Re, G. Anastasi, S.K. Das. In Sensor Networks for Sustainable Development, 2014, pp. 107-122, ISBN: 978-1-4665-8206-4, DOI: 10.1201/b17124-10
� Intelligent Management Systems for Energy Efficiency in Buildings: A Survey. A. De Paola, M. Ortolani, G. Lo Re, G. Anastasi, S.K. Das. ACM Computing Surveys, Vol. 47,n. 1, 2014, Article a13
� User Activity Recognition via Kinect in an Ambient Intelligence Scenario. P. Cottone, G. Maida, M. Morana. In Proceedings of 2013 International Conference on Applied Computing, Computer Science, and Computer Engineering, 2013
� User Activity Recognition for Energy Saving in Smart Homes. P. Cottone, S. Gaglio, G. Lo Re, M. Ortolani. In Proceedings of the 3rd International Conference on Sustainable Internet and ICT for Sustainability, 2013, pp. 1-9
� Bio-inspired Sensory Data Aggregation. A. De Paola, M. Morana. In Biologically Inspired Cognitive Architectures, 2012, pp. 367-368.
References
SmartBuildings: an AmI System for Energy Efficiency
� Improving User Experience via Motion Sensors in an Ambient Intelligence Scenario. G. Lo Re, M. Morana, M. Ortolani. In Proceedings of the 3rd International Conference on Pervasive and Embedded Computing and Communication Systems, 2013
� Motion Sensors for Activity Recognition in an Ambient-Intelligence Scenario. P. Cottone, G. Lo Re, G. Maida, M. Morana. In Proocedings of the 5th International Workshop on Smart Environments and Ambient Intelligence, 2013, pp. 646-651
� Mimicking biological mechanisms for sensory information fusion. A. De Paola, M. La Cascia, G. Lo Re, M. Morana, M. Ortolani. In Journal of Biologically Inspired Cognitive Architectures, vol. 3, 2013, pp. 27-38.
� An intelligent system for energy efficiency in a complex of buildings. A. De Paola, G. Lo Re, M. Morana, M. Ortolani. In Proceedings of the 2nd International Conference on Sustainable Internet and ICT for Sustainability, 2012, pp. 1-5
� Sensor 9k: A testbed for designing and experimenting with WSN-based ambient intelligence applications. A. De Paola, S. Gaglio, G. Lo Re, M. Ortolani. In Pervasive and Mobile Computing, vol. 8, issue 3, 2012, pp. 448-466
� A Distributed Bayesian Approach to Fault Detection in Sensor Networks. G. Lo Re, F. Milazzo, M. Ortolani. In Proceedings of the IEEE Global Telecommunications Conference (GlobeCom), 2012, pp. 634-639
� User detection through multi-sensor fusion in an AmI scenario. A. De Paola, M. La Cascia, G. Lo Re, M. Morana, M. Ortolani. In Proceedings of the 15th International Conference on Information Fusion, 2012, pp. 2502-2509