Monitoring methods and apparatus

A device and functional technique used in the field of monitoring the state of evolving systems

Active Publication Date: 2010-07-28
COMMONWEALTH SCI & IND RES ORG +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This approach does not require knowledge of the underlying system mechanisms, but does requ

Method used

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  • Monitoring methods and apparatus
  • Monitoring methods and apparatus
  • Monitoring methods and apparatus

Examples

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Embodiment Construction

[0069] refer to figure 1 , systems 1 that evolve over time, such as degenerated physical structures, are often complex in nature. For example, multiple mechanical, physical, and / or chemical processes may be taking place in a system, and it may be difficult to know precisely how these processes proceed or interact with each other or how they develop over time. Therefore, it may be difficult to model such systems using conventional modeling techniques.

[0070] In the present method, a mathematical expression or "theory" 2 is determined which may represent the various processes / mechanisms that may be at work in the system 1 . These theories 2 are then grouped into individual elementary functionals g 1 to g n , each functional can be associated with one or more processes or theories2.

[0071] A functional can be thought of as a function of functions that acts on one or more input time-coded data streams to produce an output time-coded data stream.

[0072] These individual ...

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Abstract

A method of monitoring an evolving system, the method including the steps of : obtaining a plurality of sensor data streams relating to outputs from sensors monitoring said system, wherein at least one of said sensors monitors a condition of said system, and wherein at least one of said sensors monitors a causal agent for said condition; iteratively constructing a plurality of functional nests, each functional nest being a functional formed from a combination of selected functionals from a basic set of functionals; determining an output data stream for each functional nest by inputting said sensor data streams into said functional nests; selecting a functional nest from said plurality of functional nests based on said output data streams; and using said selected functional nest to monitorsaid system.

Description

technical field [0001] The present invention relates to methods and devices for monitoring the state of an evolving system. Background technique [0002] In many cases it is desirable to monitor the state of an evolving system and provide diagnostic and predictive services about the system as it evolves over time. These situations include, for example, monitoring structures such as buildings or vehicles and / or monitoring processes such as industrial or environmental processes. The results can be used to evaluate system performance and can assist in maintaining the system and early intervention to improve performance, stability, prevent failures or take some other preventive or remedial action. [0003] There are basically two known ways to monitor evolving systems: statistical analysis of evolution or "a-priori" based process models. [0004] In an "a priori" based approach, the mechanisms underlying the system, such as physical and / or chemical processes, are studied, unde...

Claims

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Application Information

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IPC IPC(8): G06F17/10
CPCG05B23/021G05B23/0254
Inventor D·A·佩特森I·S·科尔
Owner COMMONWEALTH SCI & IND RES ORG
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