Balancing urban energy supply and demand through AI and ... · control, and environmental...
Transcript of Balancing urban energy supply and demand through AI and ... · control, and environmental...
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Balancing urban energy supply and demand through AI and physics-based modelling
Robbert-Jan Dikken, [email protected]
February 7 2020
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Energy transition
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Energy supply and demand
demand
supply
supply
demand
Balancing energy demand and supply
→ optimization problem
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Optimization through anticipation
Training predictive control
Desired state
Predictive control
Control strategy
Actual state
Current state andforecast external influences
External influences
Conventional control
+/-
Evaluate control
Control strategies based on predicted supply and demand
Data availability
→ physics-based models
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Illustrative example: simulation of a residential application
• Air-to-water heat pump
air temperature heat supply→
• Floor heating system
mass inertial effect on demand→
Dynamic energy model(TRNSYS/TRNFlow)
dwelling with heat pump and floor heating system and semi-stochastic user
behaviour
Weather forecast
Current state variables
Control strategy
.
. ..
.
.
.
.
Predicted state
Energy usage
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Simulation test case 1
Type of control Time control Time control Constant Self learning
Power 100% P0
40% P0
40% P0
40% P0
Energy usage (w.r.t. 100% P0) 100 % 78 % 93 % 83 %
Probability of fall below set point 6 % 12 % 6 % 6 %
Average fall below set point 0.7 °C 1.1 °C 0.6 °C 0.6 °C
Maximum fall below set point 3.7 °C 5.1 °C 2.9 °C 2.9 °C
Balancing supply and demand of heat through predictive control using a neural network
→ predicting the effect of a strategy
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Simulation test case 2
Balancing supply and demand of heat through predictive control using Q-learning
→ learning the optimal strategy
actionrewardstate
agent
environment
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At urban scale
• Heat/cold storage
• Batteries
• Scheduling of demand
• ...
Energy supply
Energy demand
Energy storage
AI-optimizer and distributor
information
energy
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Hybrid approach
dynamic energy models
artificial intelligence
optimization solution
data
energy problem
• Data availability
• Physics-based models
• Filling in the gaps
• Validation with available data
• Interpretability of data through physics
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Summary
• AI-control algorithms can be used to balance energy supply and demand
• Artificial neural networks
• Q-learning
• Physics-based models can be used to develop and test AI-control algorithms
• Physics-based models are very useful when data availability is lacking or incomplete
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Balancing urban energy supply and demand through AI and physics-based modelling
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About Peutz
Peutz is a group of independent consultants specialised in a wide range of fields related to the design and building of any type of architectural or industrial development. Specialities range from acoustics, building physics and physics of urban design, noise control, and environmental technology to fire safety, data science and AI, sustainability and the optimisation of working conditions. The Peutz Group is based in the Netherlands, Belgium, Germany and France, and has about 260 employees.
The solid reputation of Peutz is based on the quality of its consultancy work, with the use of advanced measuring and computing techniques and the availability of its own laboratories. Peutz’ main clients are found in various industries, government agencies, and institutions in the cultural, health care and the education sectors.
Peutz operates laboratories for acoustics, building physics, wind technology and fire safety. These laboratories are used for specific project-related research as well as fundamental research studies. Moreover the laboratories are accredited for various standardised measurements. Customised solutions are created by linking laboratory research, field measurements, numerical simulations, data science and AI and expert knowledge. From the simple but efficient to the distinctive, daring and innovative.
Philosophy
Through participation in national and international scientific symposia Peutz contributes to the development of the fields and increases its own knowledge. Also participating in courses and the provision of internships is seen as a social responsibility. However, advising clients in a practical way remains the core business: the (internal) exchange of experiences in this work functions as cross-pollination between the departments in which the consultancy is organized.
www.peutz.nl