Articles with "hvac systems" as a keyword



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Development of grid-responsive buildings: Opportunities, challenges, capabilities and applications of HVAC systems in non-residential buildings in providing ancillary services by fast demand responses to smart grids

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Published in 2019 at "Applied Energy"

DOI: 10.1016/j.apenergy.2019.04.159

Abstract: Renewable electricity generations have been growing rapidly in recent years worldwide as a result of efforts to address the global energy issue. However, it has also imposed increasing challenges on the balance of power grids… read more here.

Keywords: non residential; smart grids; ancillary services; providing ancillary ... See more keywords
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A semi-physical static model for optimizing power consumption of HVAC systems

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Published in 2020 at "Control Engineering Practice"

DOI: 10.1016/j.conengprac.2020.104312

Abstract: Abstract Mathematical models of heating, ventilation and air conditioning (HVAC) systems is of great significance for optimizing power consumptions in large buildings. This paper proposes a semi-physical model to describe static characters of a typical… read more here.

Keywords: hvac systems; semi physical; power; optimizing power ... See more keywords
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Energy efficient HVAC systems

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Published in 2018 at "Energy and Buildings"

DOI: 10.1016/j.enbuild.2018.09.001

Abstract: Abstract To achieve energy efficient Heating, Ventilation and Air Conditioning (HVAC) systems in buildings it is essential to enhance the designs of their various integrated mechanical and electrical components and to control and operate plant… read more here.

Keywords: hvac systems; efficient hvac; energy efficient; energy ... See more keywords
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P&ID-based automated fault identification for energy performance diagnosis in HVAC systems: 4S3F method, development of DBN models and application to an ATES system

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Published in 2020 at "Energy and Buildings"

DOI: 10.1016/j.enbuild.2020.110289

Abstract: Abstract Current methods for energy diagnosis in heating, ventilation and air conditioning (HVAC) systems are not consistent with process and instrumentation diagrams (P&IDs) as used by engineers to design and operate these systems, leading to… read more here.

Keywords: hvac systems; performance diagnosis; diagnosis; energy ... See more keywords
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Fault detection and diagnosis of large-scale HVAC systems in buildings using data-driven methods: A comprehensive review

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Published in 2020 at "Energy and Buildings"

DOI: 10.1016/j.enbuild.2020.110492

Abstract: Abstract Abnormal operation of HVAC systems can result in an increase in energy usage as well as poor indoor air quality, thermal discomfort, and low productivity. Building automated systems (BAS) collects a massive amount of… read more here.

Keywords: detection diagnosis; large scale; fault detection; data driven ... See more keywords
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Thermal modelling of manufacturing processes and HVAC systems

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Published in 2020 at "Energy"

DOI: 10.1016/j.energy.2020.117984

Abstract: Abstract The two main energy consumers within a manufacturing plant are the HVAC systems and manufacturing processes. Studies have predominately looked at energy demand associated with manufacturing a single product or a production line, as… read more here.

Keywords: hvac systems; modelling manufacturing; energy; manufacturing processes ... See more keywords
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Virtual Storage Plant Aggregating Electrical Energy Storages and HVAC Systems Providing Regulating Reserve and Voltage Regulation

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Published in 2021 at "IFAC-PapersOnLine"

DOI: 10.1016/j.ifacol.2021.08.516

Abstract: Abstract This paper presents a distributed predictive control framework coordinating battery energy storage systems and Heating, Ventilation and Air Conditioning (HVAC) systems in the distribution network for the provision of ancillary services to the power… read more here.

Keywords: hvac systems; voltage; storage; virtual storage ... See more keywords
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Model extension for model based MIMO control in HVAC systems

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Published in 2017 at "Journal of building engineering"

DOI: 10.1016/j.jobe.2017.04.015

Abstract: Abstract The presented work deals with the multi-input multi-output (MIMO) control of Heating Ventilating and Air Conditioning (HVAC) systems. In previous work a model based control strategy consisting of a linear model predictive control (MPC)… read more here.

Keywords: hvac systems; model based; mimo control; control ... See more keywords
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Reducing energy consumption and increasing filter life in HVAC systems using an aspiration efficiency reducer: Long-term performance assessment at full-scale

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Published in 2017 at "Journal of building engineering"

DOI: 10.1016/j.jobe.2017.06.014

Abstract: Abstract The concept of using an aspiration efficiency reducer (AER) in building heating ventilation and air conditioning (HVAC) systems to control particulate air pollution concentrations was previously demonstrated using a 1:4 scale experimental device. The… read more here.

Keywords: hvac systems; full scale; energy consumption; energy ... See more keywords
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Autonomic Management Architecture for Multi-HVAC Systems in Smart Buildings

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Published in 2019 at "IEEE Access"

DOI: 10.1109/access.2019.2937639

Abstract: This article proposes a self-managing architecture for multi-HVAC systems in buildings, based on the “Autonomous Cycle of Data Analysis Tasks” concept. A multi-HVAC system can be plainly seen as a set of HVAC subsystems, made… read more here.

Keywords: system; architecture multi; hvac; multi hvac ... See more keywords
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Optimal Strategy for Participation of Commercial HVAC Systems in Frequency Regulation

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Published in 2021 at "IEEE Internet of Things Journal"

DOI: 10.1109/jiot.2021.3076434

Abstract: In this article, an optimal strategy is proposed for heating, ventilation, and air conditioning (HVAC) systems in commercial buildings to fairly ensure the occupants’ comfort, while participating in frequency regulation. With the nonlinear relationship between… read more here.

Keywords: optimal strategy; frequency regulation; regulation; frequency ... See more keywords