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Reconfigurable machine tool module selection method based on knowledge

A machine tool and knowledge technology, applied in the field of knowledge-based reconfigurable machine tool module selection, can solve the problems of lack of support capability for RMT module selection, lack of comprehensive and fast support means for RMT module selection and reasoning, etc., to shorten the design of machine tools. cycle, reduce design experience requirements, and improve the effect of enterprise competitiveness

Active Publication Date: 2018-11-13
BEIJING INSTITUTE OF TECHNOLOGYGY
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Problems solved by technology

[0010] To sum up, the existing RMT module selection and reasoning lack comprehensive and fast support methods, and lack the support ability for a wider range of RMT module selection problems

Method used

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  • Reconfigurable machine tool module selection method based on knowledge
  • Reconfigurable machine tool module selection method based on knowledge
  • Reconfigurable machine tool module selection method based on knowledge

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Embodiment Construction

[0034] The present invention will be described in detail below with reference to the accompanying drawings and examples.

[0035] To overcome the shortcomings of the above-mentioned RMT module representation schemes in facilitating module selection, we represent RMT modules using an ontology that captures features, operations, and semantic relationships between modules so that modules can be inferred based on these relationships.

[0036]Selection of appropriate modules to form an RMT configuration that satisfies a set of operational requirements (such as machining of a family of parts) is essentially a knowledge-based multi-domain mapping process that relies heavily on the designer's expertise employed in the manufacturing process. In order to choose a suitable module, the process designer needs to have a sufficient understanding of the three different fields of machining features, machining operations, and machine tool modules, as well as the relevant mapping rules between th...

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Abstract

The invention discloses a reconfigurable machine tool module selection method based on knowledge. A part feature library is built, and machining operations required by part features are determined according to expert knowledge; motion modules are determined according to the operations, a set of RMT configurations is generated, and a designer is supported to find out the minimum and sufficient modules to form different RMT configurations used for machining a part family, so that the design experience requirements on the designer are reduced, the design efficiency can be greatly improved, and high practicability is achieved; and discrete knowledge contained in a reconfigurable machine tool (RMT) design process is integrated into protege software, the part feature library, a machining operation library and an RMT module library for RMT configuration design are formed, and the necessary modules are selected in the initial design of a reconfigurable machine tool (RMT), thereby quickly designing the RMT configurations according to the given part family in the design process, shortening the design period of the machine tool and improving the enterprise competitiveness.

Description

technical field [0001] The invention belongs to the field of machine tool design, and in particular relates to a knowledge-based reconfigurable machine tool module selection method. Background technique [0002] With the increasingly fierce enterprise competition and diversified customer needs, enterprises urgently seek to quickly change their production methods to quickly respond to customer needs at a lower cost while maintaining product quality. The development of reconfigurable machine tools (RMTs, Reconfigurable Machine Tools) is one of the effective alternatives for manufacturing companies to increase their ability to respond to market changes. A reconfigurable machine tool is a new generation of machine tools designed for a specific need, with a customized range of operations, and which can be converted cost-effectively as requirements change. [0003] Compared with traditional CNC machine tools and general-purpose machine tools, reconfigurable machine tools have bet...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/50
CPCG06F30/20
Inventor 明振军曾聪王国新郝佳阎艳
Owner BEIJING INSTITUTE OF TECHNOLOGYGY
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