A ship equipment environment adaptability assessment method based on evidence reasoning

Abstract

The invention discloses a ship equipment environment adaptability assessment method based on evidence reasoning, and belongs to the technical field of ship equipment environment adaptability assessment. The method comprises the following steps: firstly, carrying out importance sorting on ship equipment environment adaptability to-be-selected evaluation parameters by utilizing an analytic hierarchyprocess, and establishing a ship equipment environment adaptability evaluation index set; Secondly, constructing a data fusion model based on evidence reasoning, establishing an identification framework and basic credibility, giving an evidence conflict judgment basis, and synthesizing ship equipment environment adaptability evaluation indexes into a credibility function; And finally, based on the credibility function, evaluating the environmental adaptability of the ship equipment. According to the method, the influence factors of the natural environment and the mechanical environment can beaccurately cut, the evaluation index of the ship equipment environment adaptability is correctly selected, the evaluation information of an expert group is effectively processed, and the ship equipment environment adaptability is quickly and accurately evaluated.

Description

technical field [0001] The invention belongs to the technical field of ship equipment environmental adaptability assessment, and in particular relates to a ship equipment environmental adaptability assessment method based on evidence reasoning, which can be used for use management and evaluation decision-making of ship equipment. Background technique [0002] The environmental adaptability of ship equipment, together with its reliability, maintainability, support, testability and safety, is called the "six characteristics" of ship The ability to realize all its intended functions, performance and non-destructive capabilities under the action of such an environment is one of the important quality characteristics of ship equipment. As the core component of the maritime military power system, ship equipment should have the comprehensive ability to perform normalized and diversified tasks while maintaining the integrity of combat readiness. In the process of carrying out divers...

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Problems solved by technology

The first is the problem of tailoring the index system: if all the influencing factors of the natural environment and the mechanical environment are used to construct the evaluation index system for the environmental adaptation of ship equipment, the evaluation index system will be too complicated, and dozens of evaluation indexes will be included in all The evaluation and analysis of environmental adaptability leads to the evaluation process is too cumbersome; the second is the selection of evaluation indicators: on the one hand, the same type of ship equipment will face different environmental conditions when performing different tasks; on the other hand, different types of ship Facing the same environment, ship equipment will show different adaptability. Therefore, based on the combat technical requirements of ship equipment, evaluation indicators that are not related to mission requirements and environmental conditions must be screened out in order to obtain accurate evaluation results. The third is the processing of evaluation information: The evaluation information of the environmental adaptability of ship equipment comes from the subjective cognition of the expert group, and how to effectively improve the objectivity of expert evaluation and the consistency of the evaluation conclusions is still a technical problem to be solved in the evaluation of the environmental adaptability of ship equipment

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