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Systems and methods for virtual sub-metering

A technology of energy and Bayesian estimation, applied in the field of systems and methods for virtual assisted metering, capable of solving problems preventing widespread use

Inactive Publication Date: 2012-01-11
HONEYWELL INT INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although one can couple energy meters to each appliance to measure its energy usage, the number of appliances in a typical home and business multiplied by the cost of these meters has prevented widespread use

Method used

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  • Systems and methods for virtual sub-metering
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  • Systems and methods for virtual sub-metering

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Embodiment Construction

[0007] This document, taken in conjunction with the accompanying drawings and the following claims, describes one or more specific embodiments of the invention. These embodiments, provided not to limit but merely to illustrate and teach the invention, are shown and described in sufficient detail to enable those skilled in the art to implement or practice the invention. Accordingly, where appropriate to avoid obscuring the invention, the description may omit information known to those skilled in the art.

[0008] overview

[0009] An exemplary virtual or non-intrusive assisted metering system and method are disclosed. The exemplary system incorporates a dynamic system model that fuses multivariate energy information from at least two appliances or instrument parts coupled to a single energy measurement device and derives the electrical activity of the two appliances. The exemplary system may receive cumulative energy readings from a single or a minimum number of energy met...

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Abstract

The invention discloses systems and methods for virtual sub-metering. The present inventors devised, among other things, systems (100) and methods (200) for estimating the energy usage of individual appliances (114, 115) based on cumulative household energy usage data (1231C) and energy consumption profiles (1231D) of the appliances. One exemplary system receives cumulative or aggregate energy usage for a building (112) or other structure including a set of two or more appliances (114, 115) having different load ratings. Based on the aggregate energy usage (1231C) and predefined usage profiles (1231D) for the appliances, the exemplary system estimates individual energy usage (138C, 138D, 230) of the appliances. In one embodiment, the system estimates individual energy usage of the appliances using a Bayesian estimator (124) and displays the usage estimates (130, 240), referred to as virtual submeter readings, on a graphical user interface (138).

Description

technical field [0001] Various embodiments of the invention involve indirect or virtual measurement of electrical energy usage. Background technique [0002] Recent years have seen a growing focus on energy conservation. In this field, a problem to which the present inventors have recognized is that of helping users of individual appliances and other appliance parts understand the energy consumption of these appliances and thereby more intelligently target their energy saving efforts. Although one can couple an energy meter to each appliance to measure its energy usage, the number of appliances in a typical home and business multiplied by the cost of these meters has prevented widespread use. [0003] Accordingly, the present inventors have recognized a need for a better way of measuring the energy usage of individual appliances. Contents of the invention [0004] To address this and / or other problems, the present inventors devised, inter alia, a system and method for es...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F19/00
CPCG06Q10/04G06Q50/06
Inventor P·谢蒂R·阿拉克雷
Owner HONEYWELL INT INC
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