Feature assessment frameworks to evaluate reduced-order grey-box building energy models
Sign Up to like & getrecommendations! Published in 2021 at "Applied Energy"
DOI: 10.1016/j.apenergy.2021.117174
Abstract: Abstract With a drive towards achieving an integrated energy system, there is a need for holistic and scalable building modelling approaches for the commercial building stock. Existing grey-box modelling approaches often fail to produce a… read more here.
Keywords: model; reduced order; grey box; energy ... See more keywords
Automated grey box model implementation using BIM and Modelica
Sign Up to like & getrecommendations! Published in 2019 at "Energy and Buildings"
DOI: 10.1016/j.enbuild.2019.01.046
Abstract: Abstract A large part of energy usage in buildings occurs during the operational phase, emphasising the need for efficient and improved facility management, operation and control. Model Predictive Control (MPC) or Fault Detection and Diagnosis… read more here.
Keywords: box; grey box; modelica; box model ... See more keywords
Grey-box state-space identification of nonlinear mechanical vibrations
Sign Up to like & getrecommendations! Published in 2018 at "International Journal of Control"
DOI: 10.1080/00207179.2017.1308557
Abstract: ABSTRACT The present paper deals with the identification of nonlinear mechanical vibrations. A grey-box, or semi-physical, nonlinear state-space representation is introduced, expressing the nonlinear basis functions using a limited number of measured output variables. This… read more here.
Keywords: grey box; mechanical vibrations; state space; nonlinear mechanical ... See more keywords
A grey-box approach for the optimization of regulation structures used in urban-water conveyance systems
Sign Up to like & getrecommendations! Published in 2024 at "Urban Water Journal"
DOI: 10.1080/1573062x.2024.2312510
Abstract: ABSTRACT This paper presents a holistic approach to address the challenges associated with deploying laboratory-derived hydraulic models in real operational conditions within Urban Water Systems (UWS). The underlying methods and tools are tested and validated… read more here.
Keywords: water; box approach; urban water; conveyance ... See more keywords
Participation Analysis in Impedance Models: The Grey-Box Approach for Power System Stability
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Power Systems"
DOI: 10.1109/tpwrs.2021.3088345
Abstract: This paper develops a grey-box approach to small-signal stability analysis of complex power systems that facilitates root-cause tracing without requiring disclosure of the full details of the internal control structure of apparatus connected to the… read more here.
Keywords: system; impedance; grey box; power ... See more keywords
Grey-Box Modeling and Decoupling Control of a Lab Setup of the Quadruple-Tank System
Sign Up to like & getrecommendations! Published in 2024 at "Actuators"
DOI: 10.3390/act13030087
Abstract: The quadruple-tank system (QTS) is a popular educational resource in universities for studying multivariable control systems. It enables the analysis of the interaction between variables and the limitations imposed by multivariable non-minimum phase zeros, as… read more here.
Keywords: system; control; tank system; decoupling control ... See more keywords
Grey-Box Model for Efficient Building Simulations: A Case Study of an Integrated Water-Based Heating and Cooling System
Sign Up to like & getrecommendations! Published in 2025 at "Buildings"
DOI: 10.3390/buildings15111959
Abstract: Efficient and accurate grey-box building models, including water-based heating and cooling systems, are crucial for simulating and optimizing the energy demand of building, neighborhood, and network scenarios. However, the numerical effort and the amount of… read more here.
Keywords: building; box model; model; grey box ... See more keywords
Grey-Box Method for Urban Building Energy Modelling: Advancements and Potentials
Sign Up to like & getrecommendations! Published in 2024 at "Energies"
DOI: 10.3390/en17215463
Abstract: Urban building energy modelling (UBEM) has consistently been a pivotal tool to evaluate and control a building stock’s energy consumption. There are two main approaches to build up UBEM: top-down and bottom-up. The latter is… read more here.
Keywords: energy; research; grey box; box ... See more keywords
A Grey Box Modeling Method for Fast Predicting Buoyancy-Driven Natural Ventilation Rates through Multi-Opening Atriums
Sign Up to like & getrecommendations! Published in 2019 at "Sustainability"
DOI: 10.3390/su11123239
Abstract: The utilization of buoyancy-driven natural ventilation in atrium buildings during transitional seasons helps create a healthy and comfortable indoor environment by bringing fresh air indoors. Among other factors, the air flow rate is a key… read more here.
Keywords: ventilation; buoyancy driven; grey box; modeling method ... See more keywords
Adaptive Grey-Box Modelling for Energy-Efficient Building Retrofits: Case Studies in Denmark
Sign Up to like & getrecommendations! Published in 2025 at "Sustainability"
DOI: 10.3390/su17041702
Abstract: Optimizing energy efficiency in existing buildings can yield substantial savings, though collecting the necessary data for energy modelling often poses challenges. This study developed a flexible, room-level framework for evaluating retrofit strategies using simplified energy… read more here.
Keywords: case studies; box modelling; energy; adaptive grey ... See more keywords