Research

Research Overview

BIOR LOGO

Smart

Low-carbon

Energy-efficient

Demand-flexible

Climate-resilient

Equitable

Building, District, and Urban Energy Systems.

Our BIOR lab aims at developing sustainable and scalable technologies and computational tools to make building, district, and urban energy systems smart, low-carbon, energy-efficient, energy-flexible, climate-resilient, and equitable using optimization, learning, and control.

Our interdisciplinary research is at the interface of Building Science, Computer Science, and Control Engineering.

We employ a multifaceted approach that encompasses data analytics & machine learning, physics-based modeling & simulation, optimization & model-based optimal controls, as well as experiments. These approaches have been deployed across a spectrum of scales, spanning from equipment- through building- and community- to city-scale.

Specifically, our research interests include:

  • Flexible, Resilient, Efficient, and Equitable (FREE) multi-scale energy systems with Distributed Energy Resources (DERs)
  • Optimal and Learning-based Control
  • Explainable AI for Building and Urban Science and Engineering (XABUSE)
  • Digital twin-enabled Energy Management Information System (DEMIS)
  • Urban Microclimate and Building Energy Modeling (UMBEM)

Research Thrusts

  • Thrust 1: Flexible, Resilient, Efficient, and Equitable (FREE) multi-scale energy systems with Distributed Energy Resources (DERs)
Complex Cyber-Physical District Energy System [Link][Link]
Coordination and Negotiation in a Cyber-Physical Multi-Entity Residential Microgrid [Link]



  • Thrust 2: Optimal and Learning-based Control
Schematic diagram of MPC for building energy systems [Link][Link]



  • Thrust 3: Explainable AI for Building and Urban Science and Engineering (XABUSE)
Explainable Machine Learning using Large-Scale Smart Meter Data [Link][Link][Link]



  • Thrust 4: Digital twin-enabled Energy Management Information System (DEMIS)



  • Thrust 5: Urban Microclimate and Building Energy Modeling (UMBEM)
Quantifying Uncertainty in Aggregate Energy Use and Demand Flexibility of Building Clusters Considering Stochastic Occupancy [Link]

Research Methodology

Data Analytics

Data Cleaning | Data Visualization | Data Clustering | EDA

Data-driven Modelling

Grey-/Black-box | Machine Learning | Deep Learning

Physics-based Modelling

Building Thermal Dynamics | Refrigeration/HVAC systems | ODEs and State Space Representations

Computational Optimisation

Mathematical and Metaheuristic (GA/PSO) Algorithms

Model Predictive Control (MPC)

Moving from predictive to prescriptive analytics | MPC = Data-driven Modeling + Receding-horizon Numerical Optimization + Online Feedback Control

Uncertainty Analysis

Monte Carlo technique |Stochastic Occupancy and Occupant Behavior (Markov Chain)