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A Knowledge Base-Based Approach for Product Concept Novelty Evaluation

An evaluation method and novelty technology, which is applied in the field of product concept novelty evaluation based on knowledge base, can solve the problems of being easily affected by experts’ personal preferences and knowledge limitations, quantitative evaluation of product concept novelty, etc., to avoid inappropriate Deterministic, predictive and accurate results

Active Publication Date: 2020-10-16
BEIJING INSTITUTE OF TECHNOLOGYGY
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Problems solved by technology

However, these qualitative evaluation methods are easily affected by experts' personal preferences and knowledge limitations in the evaluation process. In order to make the evaluation of product concepts more objective and accurate, some quantitative evaluation methods need to be introduced.
[0004] At present, there is no method for quantitative evaluation of product concept novelty

Method used

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  • A Knowledge Base-Based Approach for Product Concept Novelty Evaluation
  • A Knowledge Base-Based Approach for Product Concept Novelty Evaluation
  • A Knowledge Base-Based Approach for Product Concept Novelty Evaluation

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Embodiment Construction

[0040] The present invention will be described in detail below with reference to the accompanying drawings and examples.

[0041] Principle of the present invention is:

[0042] The existing product design data contains certain design principles and design rules, and the existing products all have certain novelties. Therefore, using data mining and statistical learning methods, an evaluation model can be constructed from existing products to support the evaluation of product concepts, which will help to gradually get rid of the qualitative expert evaluation method based on personal experience. The function of the product represents the needs of customers, is the starting point of product design and development, and is also the basic criterion for testing product design results. Components that realize functions are an important aspect to reflect product performance and meet customer needs, and are directly related to all aspects of the design process. Through data mining, th...

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Abstract

The invention discloses a product concept novelty evaluation method based on a knowledge base. The method can directly calculate a product concept novelty value according to a product concept, and canprevent uncertainty brought by expert evaluation. The method comprises the following steps: extracting product concepts from existing products and converting the product concepts into a data expression form, and storing the product concepts into a product concept knowledge base; analyzing the product concept knowledge base using a mathematical statistics method, and determining key characteristicparameters of each product concept; determining novelty indexes as evaluation standard, obtaining a value and weight of each novelty index by an expert evaluation method, determining a novelty valueof a product concept; using the key characteristic parameters of product concept as input of an artificial neural network and the novelty value of the product concept as output of the artificial neural network, training the artificial neural network, to obtain an evaluation model of product concept novelty which is used to evaluate novelty of a product concept to be evaluated.

Description

technical field [0001] The invention relates to the technical field of product concept design, in particular to a method for evaluating the novelty of a product concept based on a knowledge base. Background technique [0002] In the fierce market competition environment, new product research and development capabilities are an important source for enterprises to maintain competitiveness. In the process of product development, conceptual design is the most important, critical and most innovative link. Its main task is to complete the generation and evaluation of product concept proposals. The evaluation of conceptual proposals is the process of scoring the generated series of conceptual proposals under different evaluation indicators, and then selecting the most conceptual proposals. Since conceptual design is in the early stages of product development, the quality of the conceptual scheme will have a great impact on the subsequent stages of product development. Studies ha...

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Application Information

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IPC IPC(8): G06Q50/18G06F40/216
CPCG06F40/216G06Q50/184
Inventor 郝佳徐灵艳王国新阎艳金怡伶叶文斌
Owner BEIJING INSTITUTE OF TECHNOLOGYGY
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