Case-based reasoning method capable of supporting time sequence matching

A technology of time series and reasoning method, applied in data processing applications, electrical digital data processing, special data processing applications, etc., can solve problems such as single numerical value, limited case reasoning, and no time series support, to improve accuracy , high engineering application value, the effect of important practical significance

Inactive Publication Date: 2016-07-20
SHENYANG INST OF AUTOMATION - CHINESE ACAD OF SCI
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Problems solved by technology

[0003] At present, the core link of case reasoning is case retrieval, that is, to find the case that is most similar to the problem description in the case library. It m

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  • Case-based reasoning method capable of supporting time sequence matching
  • Case-based reasoning method capable of supporting time sequence matching
  • Case-based reasoning method capable of supporting time sequence matching

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[0036] The present invention will be further described in detail below in conjunction with the examples.

[0037] In order to make the object, technical solution and advantages of the present invention more clear, the present invention will be further described in detail below in conjunction with the examples. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0038] The present invention can be applied to the field of manufacturing industry. First, the programming language is used to implement the code of the case reasoning method supporting time series matching proposed by the present invention, and it is packaged into software, and then the PC, server or industrial computer on the industrial site is used as the carrier to carry out Software installation, and finally on-site personnel can perform functions such as process control and fault analysis according to the case re...

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Abstract

The invention relates to a case-based reasoning method capable of supporting time sequence matching. The method includes the following steps of: case base construction; case retrieval: with the state information of a current target event adopted as input, case retrieval is carried out based on the case base, so that the comprehensive distance from the current target event to cases in the case base can be obtained; case reuse: if the comprehensive distance from the current target event to a certain case in the case base is smaller than a set threshold value, the current target event is successfully matched with the case, and the case result of the case is outputted so as to be used for a target event; case correction: when the case is wrong, the successfully-matched case result is corrected according to the feedback information of the target event, and the corrected case result is submitted to the case base, and case-based reasoning is terminated. According to the case-based reasoning method capable of supporting time sequence matching of the invention, a time sequence matching mechanism is introduced into case feature item matching, so that case-based reasoning has a time trend analysis ability, and can be better applied to the engineering field emphasizing time trend analysis.

Description

technical field [0001] The invention relates to a case reasoning method, in particular to a case reasoning method supporting time series matching. This method belongs to the field of artificial intelligence. Background technique [0002] Case-based reasoning (CBR) is an emerging field of artificial intelligence. The problem-solving method based on case reasoning is very suitable for decision-making environments where there is no strong theoretical model and domain knowledge is incomplete, it is difficult to define or the definition is inconsistent, and it is currently in the fields of medical diagnosis, legal consultation, engineering planning, and fault diagnosis. have been widely applied. [0003] At present, the core link of case reasoning is case retrieval, that is, to find the case that is most similar to the problem description in the case library. It mainly depends on the matching of case feature items. support, which makes case reasoning relatively limited in some...

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Application Information

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IPC IPC(8): G06Q10/06G06F17/30
Inventor 史海波潘福成里鹏于淼段彬胡国良
Owner SHENYANG INST OF AUTOMATION - CHINESE ACAD OF SCI
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