دانلود مقاله ISI انگلیسی شماره 21443
عنوان فارسی مقاله

تجزیه و تحلیل طراحی ساختمان با انرژی کارآمد از طریق روش های داده کاوی

کد مقاله سال انتشار مقاله انگلیسی ترجمه فارسی تعداد کلمات
21443 2011 7 صفحه PDF سفارش دهید محاسبه نشده
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عنوان انگلیسی
Analysis of an energy efficient building design through data mining approach
منبع

Publisher : Elsevier - Science Direct (الزویر - ساینس دایرکت)

Journal : Automation in Construction, Volume 20, Issue 1, January 2011, Pages 37–43

کلمات کلیدی
شبیه سازی انرژی - داده کاوی - طبقه بندی - انتخاب عامل - فرایند طراحی انرژی -
پیش نمایش مقاله
پیش نمایش مقاله تجزیه و تحلیل طراحی ساختمان با انرژی کارآمد از طریق روش های داده کاوی

چکیده انگلیسی

Incorporating energy efficiency and sustainable green design features into new/existing buildings has become a top priority in recent years for building owners, designers, contractors, and facility managers. This paper intends to address why delivery of an energy efficient building is not just the result of applying one or more isolated technologies. Rather, it can best be obtained using an integrated whole building process throughout the entire project development process, which leads building designers to generate a large amount of data during energy simulations. The authors observed that even a simple energy modeling run generated pages of data with many different variables. The volumes of energy modeling data clearly overwhelm traditional data analysis methods such as spreadsheets and ad-hoc queries with so many factors to be considered. An integrated or whole building design process involves studies of the energy-related impacts and interactions of all building components, including the building location, envelope (walls, windows, doors, and roof), heating, ventilation and air conditioning (HVAC) system, lighting, controls, and equipment, which shows why it is so difficult to find the correlation between different systems. The objective of this research is to develop an energy efficient building design process using data mining technology which can help project teams discover important patterns to improve the building design. This paper utilizes the data mining technology to extract interrelationships and patterns of interest from a large dataset. Case study revealed that data mining based energy modeling help project teams discover useful patterns to improve the energy efficiency of building design during the design phase. The method developed during this research could be used to guide designers and engineers through the process of completing an early design energy analysis based on energy simulation models.

مقدمه انگلیسی

Building energy simulation programs are in use throughout the building energy community. Energy modeling programs provide users with key building performance indicators such as thermal loads, energy use and demand, temperature, humidity, and costs. The A/E/C industry is embracing energy simulation programs, so building designers are currently dealing with a large amount of data generated during energy simulations. From our experience, even a simple energy modeling run generated pages of data with many different variables. Examples of those variables include but are not limited to the estimated energy costs or savings in terms of building orientation, HVAC system, lighting efficiency and control, construction of roof and walls, glazing type, water usage, day-lighting, etc. Such volumes of data clearly overwhelm traditional data analysis methods such as spreadsheets and ad-hoc queries with so many factors to be considered. It is difficult to find the best correlation/combination of different energy systems during the building design process. The objective of this research is to develop a process which can help project teams discover useful patterns to improve energy efficient building design. This paper utilized data mining technology, which is a data analysis process that combines different techniques from machine learning, pattern recognition, statistics, and visualization, to automatically extract concepts, interrelationships and patterns of interest from a large dataset. By applying data mining technology to the analysis of energy efficient building designs one can identify valid, useful, and previously unknown patterns out of energy simulation modeling. This paper presents the necessary steps to develop the data mining approach such as 1) requirement identification, 2) energy simulation, 3) data mining, and 4) refinement. In order to establish a process, a case study was conducted with an on-going design project. Then detailed steps showing how energy analysis tools were used early in the design process are presented.

نتیجه گیری انگلیسی

Utilizing data mining based energy modeling technology, this research conducted an energy modeling process where project teams may utilize energy simulations and see the results early in the design process. To date, energy modeling tasks are usually conducted later in the design process due to its time consuming data entry. The case study revealed that data mining based energy modeling helps project teams discover useful patterns to improve the energy efficiency of building design during the design phase. The method developed during this research could be used to guide designers and engineers through the process of completing an early design energy analysis based on energy simulation models. There is an essential need to conduct further research with energy simulations early in the design process, such as during charrettes, to see to it that project teams can design an ultra-efficient building that takes advantage of free site energy for day-lighting, natural ventilation and passive solar heating. Once the building orientation and form is optimized, then high efficiency mechanical and lighting systems can be integrated to minimize annual energy consumption and work towards a “Net Zero” building. (A Net Zero building generates as much energy as it uses over a year.) The integration of energy analysis tools with Building Information Modeling (BIM) Tools is a promising development because it would reduce the duplicative work of recreating a representation of the building design to conduct energy analysis. Instead, project delivery teams could apply these integrated tools to obtain better feedback on how their design decisions affect the building's annual energy use. Next, the application of a data mining technique could really help project delivery teams sort through results of numerous energy analysis runs generated when designing a building to select the most cost effective alternative and system. Finally, the comparison between estimated computer results and real energy consumption would provide us a better understanding and reflection on the actual performance. The collection of actual energy and water consumption data is being requested by the US Green Building Council for projects being certified using the new version of the LEED (Leadership in Energy and Environmental Design) rating tool (LEED v.3) [10].

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