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    • 4. 发明申请
    • ANOMALY DETECTION, FORECASTING AND ROOT CAUSE ANALYSIS OF ENERGY CONSUMPTION FOR A PORTFOLIO OF BUILDINGS USING MULTI-STEP STATISTICAL MODELING
    • 异常检测,预测和根本原因分析使用多步统计建模的建筑物组合能源消耗
    • US20120278051A1
    • 2012-11-01
    • US13098044
    • 2011-04-29
    • Huijing JiangYoung Min LeeFei Liu
    • Huijing JiangYoung Min LeeFei Liu
    • G06F17/10G06F19/00G01R19/00
    • G06Q10/04G06Q50/06
    • Multi-step statistical modeling in one embodiment of the present disclosure enables anomaly detection, forecasting and/or root cause analysis of the energy consumption for a portfolio of buildings using multi-step statistical modeling. In one aspect, energy consumption data associated with a building, building characteristic data associated with the building, building operation and activities data associated with the building, and weather data are used to generate a variable based degree model. A base load factor, a heating coefficient and a cooling coefficient associated with the building and an error term are determined from the variable based degree model and used to generate a plurality of multivariate regression models. A time series model is generated for the error term to model seasonal factors which reflect monthly dependence on energy use and an auto-regressive integrated moving average model (ARIMA) which reflects temporal dependent patterns of the energy use.
    • 在本公开的一个实施例中的多步统计建模使得能够使用多步统计建模对建筑物组合的能量消耗进行异常检测,预测和/或根本原因分析。 一方面,使用与建筑物相关联的能量消耗数据,构建与建筑物相关联的特征数据,建筑物操作和与建筑物相关联的活动数据以及天气数据来生成基于变量的度模型。 从基于变量的度模型确定基础负荷因子,与建筑物相关联的加热系数和冷却系数以及误差项,并用于产生多个多元回归模型。 为误差项生成时间序列模型,以模拟每月依赖能源使用的季节因素和反映能量使用的时间依赖模式的自回归积分移动平均模型(ARIMA)。
    • 5. 发明授权
    • Anomaly detection, forecasting and root cause analysis of energy consumption for a portfolio of buildings using multi-step statistical modeling
    • 使用多步统计建模的建筑物组合能耗的异常检测,预测和根本原因分析
    • US08738334B2
    • 2014-05-27
    • US13098044
    • 2011-04-29
    • Huijing JiangYoung Min LeeFei Liu
    • Huijing JiangYoung Min LeeFei Liu
    • G06F17/10
    • G06Q10/04G06Q50/06
    • Multi-step statistical modeling in one embodiment of the present disclosure enables anomaly detection, forecasting and/or root cause analysis of the energy consumption for a portfolio of buildings using multi-step statistical modeling. In one aspect, energy consumption data associated with a building, building characteristic data associated with the building, building operation and activities data associated with the building, and weather data are used to generate a variable based degree model. A base load factor, a heating coefficient and a cooling coefficient associated with the building and an error term are determined from the variable based degree model and used to generate a plurality of multivariate regression models. A time series model is generated for the error term to model seasonal factors which reflect monthly dependence on energy use and an auto-regressive integrated moving average model (ARIMA) which reflects temporal dependent patterns of the energy use.
    • 在本公开的一个实施例中的多步统计建模使得能够使用多步统计建模对建筑物组合的能量消耗进行异常检测,预测和/或根本原因分析。 一方面,使用与建筑物相关联的能量消耗数据,构建与建筑物相关联的特征数据,建筑物操作和与建筑物相关联的活动数据以及天气数据来生成基于变量的度模型。 从基于变量的度模型确定基础负荷因子,与建筑物相关联的加热系数和冷却系数以及误差项,并用于产生多个多元回归模型。 为误差项生成时间序列模型,以模拟每月依赖能源使用的季节因素和反映能量使用的时间依赖模式的自回归积分移动平均模型(ARIMA)。
    • 7. 发明授权
    • Optimal planning of building retrofit for a portfolio of buildings
    • 建筑物组合改造的最佳规划
    • US08355941B2
    • 2013-01-15
    • US13150721
    • 2011-06-01
    • Young Min LeeChandrasekhara K. Reddy
    • Young Min LeeChandrasekhara K. Reddy
    • G06F17/50
    • G06Q10/06313G06Q10/04G06Q50/06G06Q50/16
    • Generating an optimal planning of building retrofit for a portfolio of buildings may include providing a plurality of objective functions that may be selected for maximizing cost reduction, maximizing green house gas emission reduction, or maximizing energy reduction, or combinations thereof. The objective function may be solved based on information including at least a retrofit cost for retrofitting a building, payback period specifying the length of time needed to recover the retrofit cost, a budget available for retrofitting the building, expected price of energy, estimated energy savings from retrofitting and estimated green house gas emission from retrofitting. The planning of building retrofit may be generated based on the solutions of one or more of the objective functions, which may provide for an optimal plan of building retrofit.
    • 为建筑物组合生成建筑物改造的最佳规划可以包括提供可以选择用于最大化成本降低,最大化温室气体排放减少或最大化能量减少或其组合的多个目标函数。 目标功能可以基于至少包括改造建筑物的改造成本的信息来解决,回收期限指定恢复改造成本所需的时间长度,可用于改造建筑物的预算,能源的预期价格,估计的能量节约 从改造和估计温室气体排放改造。 可以基于一个或多个目标函数的解决方案来生成建筑物改造的规划,其可以提供建筑改造的最佳计划。
    • 8. 发明申请
    • OPTIMAL PLANNING OF BUILDING RETROFIT FOR A PORTFOLIO OF BUILDINGS
    • 建筑改造建筑改造的最佳规划
    • US20120310689A1
    • 2012-12-06
    • US13150721
    • 2011-06-01
    • Young Min LeeChandrasekhara K. Reddy
    • Young Min LeeChandrasekhara K. Reddy
    • G06Q10/00
    • G06Q10/06313G06Q10/04G06Q50/06G06Q50/16
    • Generating an optimal planning of building retrofit for a portfolio of buildings may include providing a plurality of objective functions that may be selected for maximizing cost reduction, maximizing green house gas emission reduction, or maximizing energy reduction, or combinations thereof. The objective function may be solved based on information including at least a retrofit cost for retrofitting a building, payback period specifying the length of time needed to recover the retrofit cost, a budget available for retrofitting the building, expected price of energy, estimated energy savings from retrofitting and estimated green house gas emission from retrofitting. The planning of building retrofit may be generated based on the solutions of one or more of the objective functions, which may provide for an optimal plan of building retrofit.
    • 为建筑物组合生成建筑物改造的最佳规划可以包括提供可以选择用于最大化成本降低,最大化温室气体排放减少或最大化能量减少或其组合的多个目标函数。 目标功能可以基于至少包括改造建筑物的改造成本的信息来解决,回收期限指定恢复改造成本所需的时间长度,可用于改造建筑物的预算,能源的预期价格,估计的能量节约 从改造和估计温室气体排放改造。 可以基于一个或多个目标函数的解决方案来生成建筑物改造的规划,其可以提供建筑改造的最佳计划。