一种基于高斯混合模型的高校中央空调计量方法

doi:10.16180/j.cnki.issn1007-7820.2020.10.006

摘要/Abstract

摘要：

随着中央空调在高校中的大规模使用,对中央空调进行准确计量和合理计费已成为高校管理人员和学生日益关注的问题。为了解决空调使用中管理方与用户方的利益矛盾,文中提出一种基于高斯混合模型的高校学生宿舍中央空调计量方法。该方法依据高校学生宿舍中央空调的负荷特征,使用高斯混合模型建模分析空调负荷的概率统计特性,对中央空调总机用电量和末端风机盘管用电量进行计量,并根据空调负荷的概率统计特性,采用时间差分法进行分摊计费。文中方法在实现准确计量和计费的同时,还结合了智能用电管理系统,使用电过程更加透明化,具有一定的节能效用。

关键词: 中央空调, 计量系统, 高斯混合模型, 高斯差分法, 可靠度分析, 分摊计费

Abstract:

With the large scale use of central air conditioners in colleges, accurate measurement and reasonable billing of central air conditioners has become an increasingly concerned issue for administrators and students. In order to solve the conflicts of interests between managers and users, a college dormitory’s central air conditioning measurement method based on Gaussian mixture model is proposed in this study. The method is based on the load characteristics of central air conditioning in college student dormitory, and uses Gaussian mixture model to analyze the probability and statistical characteristics of air conditioning load. By measuring the electricity consumption of central air conditioning and terminal fans, the calculus of time differences method based on its statistical characteristic is adopted to achieve split charging. The proposed method not only realize accurate metering and charge, but also combines the intelligent power management system to make the electricity process more transparent and has certain energy-saving effects.

Key words: central air conditioning, metering system, Gaussian mixture model, Gaussian difference method, reliability analysis, split charging

中图分类号:

TP391

祁鑫,张丽,王福忠,王晓慧. 一种基于高斯混合模型的高校中央空调计量方法[J]. 电子科技, 2020, 33(10): 33-39.

QI Xin,ZHANG Li,WANG Fuzhong,WANG Xiaohui. A Central Air Conditioning Measurement Method Based on Gaussian Mixture Model[J]. Electronic Science and Technology, 2020, 33(10): 33-39.

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时间	用电量均值/kW·h	用电量标准差
1时~9时	0.024	0.032
10时~14时	0.055	0.052
15时~19时	0.059	0.049
20时~24时	0.104	0.090
中央空调机组	0.054	0.063

文献	方法	特点	月电费/元
[5]	面积分摊法	计量简单、方便,但易造成恶性消费	113.40
[13]	冷量计费法	理论上最准确的计量,但计量复杂,普适性差	90.80
本文方法	高斯差分计量法	计量准确,适用于工程实际	74.77