基于本體的人機工程學知識分類與知識表示研究
[Abstract]:This paper is an attempt to digitize, intelligently accumulate and use the basic model of ergonomics knowledge. Ergonomics has been paid more and more attention in the world, but the existing digital methods of ergonomics knowledge accumulation and expression in our country can not fully meet the requirement of knowledge sharing and reuse in modern intelligent design. Through computer knowledge representation technology, a suitable ergonomics knowledge model is constructed, and then developed into expert system in related fields, so that ergonomics knowledge can be accumulated and used more widely and deeply. Taking the ergonomics knowledge system as the research object and using ontology as the method of knowledge representation, this paper studies the goal of semantic knowledge representation of ergonomics knowledge. The model of ergonomics knowledge representation based on ontology is constructed. The main contents of this paper are as follows: based on the attribute of ergonomics knowledge, through the analysis and comparison of six knowledge representation methods, such as state space method, frame method and ontology method, ontology is selected as the representation method of ergonomics knowledge. This paper analyzes the technical composition of ontology method, compares different ontology algebra systems, construction methods, description languages and compiling tools horizontally, and finally chooses to compile ontology based on OWL language through Prot 茅 g 茅. According to the expression requirements of ontology, the universal knowledge of ergonomics is classified into three parent categories: human factor, environment element and device element, and the parent is divided into three subclasses with three-layer structure. A knowledge classification scheme for ergonomics meta-ontology model is determined. Based on the knowledge classification scheme, the general knowledge of ergonomics is represented. Referring to the principle of Ontology Construction of T.Gruber et al., to construct ergonomics knowledge metontology (EKMO). For short) EKMO is formally defined and compiled through Prot 茅 g 茅. In the process of compiling, the hierarchical framework of classes and classes in ontology is constructed, and the formal coding of ontology based on OWL language is given. The attribute of subclass knowledge in domain is analyzed, and the domain ontology of EKMO is constructed by selecting static parameter knowledge of human body. The core concepts in the domain are identified, the logical relationships among them are combed, and the basic structure of the domain ontology model is determined. According to the method of EKMO knowledge representation, the domain ontology is formally defined, and the hierarchical framework of domain ontology class is constructed. The attribute constraint and instance definition of class are completed, and the query method of ontology is studied and displayed. Finally, OWL coding is given for the modification and development of knowledge systems. The model of knowledge classification representation and the construction of meta-ontology and domain ontology show that it is feasible to apply ontology to ergonomics knowledge representation, which provides a technical means for sharing and reusing ergonomics knowledge.
【學位授予單位】:哈爾濱工程大學
【學位級別】:碩士
【學位授予年份】:2014
【分類號】:TB18
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