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《Geomatics World》 2017-04
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Energy Consumption Analysis and Visualization Based on CityGML——A Case Study of Swedish Smart City

LI Bingchan;MAO Bo;School of Electrical and Automation Engineering, Jiangsu Maritime Institute;College of Information Engineering, Collaborative Innovation Center for Modern Grain Circulation and Safety,Jiangsu Key Laboratory of Modern Logistics, Nanjing University of Finance & Economics;  
As one of the most important place for human activities,cities consume main parts of material and energy.To achieve low-carbon sustainable development of the city by promoting energy conservation,environmental protection is of great significance.At present,the EU is promoting its low-carbon green city transformation by renewable energy,regulating energy prices,improving building materials,reducing consumption and other ways.However,a comprehensive analysis on the overall energy situation is missed considering the different types of energy resources and consumptions,which prevented the efficient design and decision-making.Therefore,the EU launched an integrated analysis of the city's integrated energy production and consumption research project.The project employs the three-dimensional city model City GML,to integrate the urban building model,energy pipe network facilities,and energy consumption to a standardized data management.On the basis of the unified data format,the data interface with the professional energy analysis software(Energy Plus,Trnsys,etc.)is realized,and the analysis result is shared and visualized through the City GML standard.The project selects Stockholm as one of the test area to analysis its electricity,geothermal energy,solar energy and other energies for economic and emission simulation,in which it is also combined with building cooling,consumption and other factors.This framework can analysis and compare various energy policies in environmental,economic,and cultural impact aspect and can contribute to the sustainable development of European cities.This paper introduces the research content,expected results and organization of the project,and summarizes the research methods and visualization strategies of city based on City GML.It has a sense of promotion for the development of China's cities.
【Key Words】: smart city energy consumption analysis visualization CityGML
【Fund】: 国家自然科学基金项目(41671457);; 江苏省高校自然科学研究重大项目(16KJA170003);; 江苏省自然科学基金(BK20151551);; 江苏省现代教育技术研究2017年度立项课题(2017-R-54931)资助
【CateGory Index】: F299.1;F49;P208
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