Modeling, simulation, and development of building integrated energy systems towards net-zero energy status

本研究的总体目标是建立数学模型，对新型环境友好型先进建筑综合能源系统及其最佳配置和控制策略进行高分辨率模拟，并与最先进的建筑能源模拟软件一起用于超节能建筑的设计、分析和开发，以实现净零能耗建筑状态。本研究分为五个子项目：1)超节能太阳能住宅住宅特性识别与优化；2)面向净零能耗状态的低成本能源改造升级研究；3)风能、太阳能光伏、热能和热泵综合能源系统建模研究；4)太阳能住宅地板与辐射联合空调系统优化预测控制研究；5)净零能耗住宅全屋动态建模与仿真。研究将集中在新的和创新的可再生能源技术，如太阳能混合PV/集热器，太阳能辅助空气源和地源热泵，组合地板/辐射板/强制空气间距调节系统，热质量和相变材料作为建筑的组成部分的战略应用，以及不同系统的混合组合。以及考虑建筑及其暖通空调系统动态和短期天气预报信息的整体优化控制策略，以最大限度地利用现场可再生能源潜力，同时保持最佳的热舒适性。正确配置、集成和控制先进的混合建筑综合能源系统是推动建筑实现净零能源状态的下一个能源效率水平的主要关键驱动因素。本研究的结果将为设计、评估和建筑集成可再生能源系统的组件大小以及先进混合暖通空调系统的最佳控制策略提供现实和准确的建模工具，以促进这些环保、清洁能源系统在建筑领域的更快采用。

The overall objective of the proposed research is to develop mathematical models to conduct high resolution simulation of novel environmental-friendly advanced building integrated energy systems and their optimal configurations and control strategies that can be used with state-of-the-art building energy simulation software for the design, analysis, and development of super energy efficient buildings towards the net-zero energy building status. The research is divided into five subprojects: 1) Identification and Optimization of Housing Characteristics of Super Energy Efficient Solar House, 2) Development of Least Cost Energy Retrofit Upgrades Towards Net-zero Energy Status, 3) Modeling of Integrated Wind, Solar PV and Thermal, and Heat Pump Hybrid Energy Systems, 4) Development of Optimal Predictive Control of Combined In-floor and Radiant Conditioning System with Hybrid HVAC Systems in Solar Houses, 5) Dynamic Whole House Modeling and Simulation of Net-Zero Energy House. The research will focus on new and innovative renewable energy technologies such as solar hybrid PV/thermal collectors, solar assisted air- and ground-source heat pumps, combined infloor/radiant panel/forced air spacing conditioning system, strategic applications of thermal mass and phase change materials as integral part(s) of the building, and hybrid combinations of different systems, as well as their overall optimal control strategies considering the building and its HVAC system dynamics and short term weather forecast information for maximum utilization of on-site renewable energy potentials while maintaining optimal thermal comfort. Proper configuration, integration, and control of the advanced hybrid building integrated energy systems are the major key drivers in advancing next level of energy efficiency in building towards net-zero energy status. The results from the proposed research will provide realistic and accurate modeling tools for designing, assessing, and component sizing of building integrated renewable energy systems and their optimal control strategies in advanced hybrid HVAC systems to foster faster adoption of these environmental-friendly, clean energy systems in the building sector.