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Evaluation and improvement of the energy performance of a building's equipment and subsystems through continuous monitoring

机译：通过连续监控评估和改善建筑物设备和子系统的能源性能

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摘要

This study proposes an experimental method tor the evaluation of a building's equipment and subsystems through the continuous monitoring of electrical and environmental process variables. The aim of the study is to improve the building's comfort and energy performance using an automatic control system. A case study of a building's air-conditioning system is presented using the proposed method. A dynamic equipment-control model for an artificially conditioned environment is described. Additionally, empirical models are developed that relate equipment variables, the conditioned environment and a building's surroundings and occupation characteristics using representation through transfer functions and auto-regressive models with exogenous inputs (ARX). The empirical models were created using continuous monitoring data via the Internet and a low-cost platform known as the end use monitoring centre (EUMC). These models represent the relevant characteristics of the involved variables in consideration of the complexity of the modelled phenomena. An automatic equipment control system was designed and installed. The systems resulted in significant improvements in comfort and energy efficiency. The proposed method can be applied to diverse types of equipment and subsystems in buildings.
机译：这项研究提出了一种通过对电气和环境过程变量进行连续监控来评估建筑物的设备和子系统的实验方法。研究的目的是使用自动控制系统来改善建筑物的舒适度和能源性能。使用所提出的方法对建筑物的空调系统进行了案例研究。描述了用于人工条件环境的动态设备控制模型。此外，还建立了经验模型，该模型使用传递函数和具有外来输入（ARX）的自回归模型，通过表示将设备变量，条件环境以及建筑物的周围环境和职业特征联系起来。经验模型是通过互联网和称为最终用途监控中心（EUMC）的低成本平台使用连续监控数据创建的。考虑到建模现象的复杂性，这些模型代表了所涉及变量的相关特征。设计并安装了自动设备控制系统。该系统显着改善了舒适度和能源效率。所提出的方法可以应用于建筑物中的各种类型的设备和子系统。

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  • 来源
    《Energy and Buildings》 |2014年第6期|368-381|共14页
  • 作者

    Ana Paula Batista; Maria Eugenia A. Freitas; Fabio G. Jota;

  • 作者单位

    Graduate Program in Electrical Engineering, Federal University of Minas Gerais, Av. Antonio Carlos 6627, 31270-901 Belo Honzonte, MG, Brazil,Centre for Intelligent Energy Research, IERC, Federal Centre of Technological Education, CEFET-MG, Av. Amazonas 7675, 30510-000 Belo Horizonte, Brazil;

    Centre for Intelligent Energy Research, IERC, Federal Centre of Technological Education, CEFET-MG, Av. Amazonas 7675, 30510-000 Belo Horizonte, Brazil;

    Graduate Program in Electrical Engineering, Federal University of Minas Gerais, Av. Antonio Carlos 6627, 31270-901 Belo Honzonte, MG, Brazil;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Building monitoring; Modelling; Control; Equipment;

    机译：建筑监控;造型;控制;设备;

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