面向TRIZ理论的深度知识获取及应用研究
[Abstract]:The traditional product design process has insufficient innovation ability to the conceptual design stage, the designer is often difficult to produce the truly innovative product because of their own single professional knowledge. Although the TRIZ theory can guide the designer's innovation, But in the practical application is not easy to be fully grasped. Patent is the main knowledge resource of product innovation, but the traditional patent library contains countless patent files, and is based on disciplines, so it is difficult to be searched and utilized by designers. Therefore, according to the relevant knowledge extraction, reorganization and analysis of TRIZ theory, as well as the expansion and updating of the existing knowledge base, it is beneficial to the practical application and self-improvement of the TRIZ theory. From the perspective of innovation theory, it helps people to grasp the general law of innovative design. It is very meaningful to stimulate the divergent thinking of designers on the basis of analogizing past successful cases. A deep knowledge acquisition model based on TRIZ theory is proposed. The model is based on TRIZ theory and uses data mining technology to acquire deep knowledge by using Chinese patent literature resources. The research of patent in-depth knowledge acquisition is helpful to the interdisciplinary application of patent knowledge and the research of knowledge discovery and reuse, as well as the exploration of TRIZ theory from a theoretical height to a general understanding and practical application accepted by ordinary designers. According to the implementation method and key technology of the Chinese patent depth knowledge acquisition model based on TRIZ theory, this paper discusses the following parts: patent text extraction module, text classifier module and depth knowledge mining module. First, the patent text extraction module introduces how to obtain the required patent library information in a web page such as the State intellectual property Office, and store it in the database. Patent text extraction is the premise of the whole process of knowledge mining. If the patent abstract and basic information can not be extracted correctly, the patent database can not be constructed and the next step can be analyzed. The research of this module is very important for further research. Secondly, the text classifier module mainly realizes the patent text classification process. This paper expounds the principle and process of patent classification from two aspects: manual classification and computer classification. Artificial assistant patent classification is based on manual careful reading of patent specification, which requires classifier to master certain TRIZ knowledge and related domain knowledge. The objects of computer classification are abstracts of patent documents, which can not only replace the basic contents of patent full text, but also simplify the difficulty of computer calculation greatly, and it is very simple and practical for classifiers in the testing stage. The patent classification of this module mainly refers to the classification and analysis of patents using the invention principle as the classification background. Thirdly, the deep knowledge mining module mainly uses the classification results to extract the depth knowledge. On the basis of reading patent specification, mining process is analyzed according to the deep knowledge template guide. Finally, the results of the analysis are stored in the case library. Finally, a software system named DKMining. is constructed for the deep knowledge acquisition model. The software system realizes the function of each module, and can retrieve, delete, modify and update the information in patent library and instance library. The paper verifies the above theory research with the concrete patent example, therefore the software system has certain feasibility.
【学位授予单位】:陕西科技大学
【学位级别】:硕士
【学位授予年份】:2014
【分类号】:TP391.1;TB472
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