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Simulation model credibility evaluation method based on hesitant cloud language term set and group decision

A simulation model and group decision-making technology, applied in design optimization/simulation, etc., can solve problems such as ambiguity and hesitation

Active Publication Date: 2020-01-21
UNIT 63892 OF PLA
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Problems solved by technology

However, words based on natural language contain uncertainties such as randomness, ambiguity, and hesitation properties

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  • Simulation model credibility evaluation method based on hesitant cloud language term set and group decision
  • Simulation model credibility evaluation method based on hesitant cloud language term set and group decision
  • Simulation model credibility evaluation method based on hesitant cloud language term set and group decision

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[0056] In order to enable those skilled in the art to better understand the present invention, the technical solution of the present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0057] This embodiment is to apply the simulation model credibility evaluation method based on the hesitant cloud language term set and group decision-making proposed by the present invention to the credibility assessment of a certain aircraft simulation model, including the following steps:

[0058] Step 1: Select domain expert set E: decision maker invites 3 domain experts E={e 1 ,e 2 ,e 3 }, to comprehensively evaluate and make decisions on the credibility of a certain aircraft simulation model;

[0059] Step 2: Determine the evaluation index set C and its weight W C : The decision makers and the expert group selected four credibility evaluation indicators C={c 1 ,c 2 ,c 3 ,c 4 }, respectively for the structure design...

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Abstract

The invention discloses a simulation model credibility evaluation method based on a hesitant cloud language term set and a group decision. The method comprises eight steps of selecting a domain expertset, determining an evaluation index set and a weight thereof, defining a language term set, obtaining an evaluation result, calculating an evaluation weight, calculating a comprehensive cloud model,calculating an expert aggregation result and calculating a comprehensive evaluation result. The hesitant cloud language term set is used for modeling language variables, fuzziness, randomness and hesitant characteristics of subjective evaluation can be described at the same time, and the objective reality of expert decision making is better met. The weight of the evaluation result is determined by quantitatively calculating the average difference degree and the comprehensive uncertainty of the expert evaluation result, so that the model is more scientific and reasonable. The uncertain information is reserved in the calculation process, the loss of decision information is avoided, and the final comprehensive evaluation result not only contains size and magnitude information, but also reflects the uncertainty. A group decision technology is adopted for evaluation, knowledge limitation of a single expert is overcome, and the reliability of an evaluation result is improved.

Description

technical field [0001] The invention belongs to the field of evaluation of the credibility of simulation models, in particular to a method for evaluating the credibility of simulation models based on hesitant cloud language term sets and group decision-making. Background technique [0002] Simulation is an economical and effective way to observe and study the real world. In recent years, with the rapid development of computer, modeling and simulation technology, simulation models have been widely used in military, industrial, economic, environmental and social fields. [0003] The credibility of the simulation model is the key to the success of the simulation application. The simulation results produced by the simulation model lacking sufficient credibility may mislead decision makers, and even cause irreparable military, political, and economic losses. Therefore, choosing a sufficiently credible simulation model becomes a key decision for management departments and users. ...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F30/20
CPCY02P90/30
Inventor 杨小军徐忠富赵洋周食耒贺正求严长伟乔冠禹张永鑫
Owner UNIT 63892 OF PLA
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