Русская версия English version

Models and methods of CAD user and CAD expert communication in «learning by doing» mode

E.R. Panteleev, V.A. Zuykov, A.U. Katanaev

Vestnik IGEU, 2016 issue 5, pp. 60—69

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Abstract in English: 

Background: Contemporary CAD systems multiply the efficiency and quality of design solutions, and change their very design pardigm. This causes a mismatch between the opportunities provided by CAD technologies and the ability of CAD users to apply them effectively. It is generally recognized that the most effective way to overcome this problem is training CAD users in «learning by doing» mode. However, the known approaches to the implementation of learning by doing have some drawbacks, the most significant ones are the high cost of the proposed solutions and/or focus on a specific CAD product. Therefore, this study focuses on developing models and methods of two-way CAD user – CAD expert communication which are invariant to a specific CAD for the purpose of training while solving CAD problems.

Materials and methods: The study used the methods of hooking the operating system messages about events caused by user actions and addressed to the window function of CAD application as well as models and methods of knowledge representation, object-oriented programming and database management.

Results: We have developed a set of models and methods to record and playback CAD user actions. These models and methods are invariant to specific CAD systems and provide an objective examination of these actions and formation of contextual guidelines. They include a frame-based model of user actions, a transactional model of action filtration, a local context model and methods of recording and playback of design scripts based on the above-mentioned models.This set of models and methods is implemented as AddInCAD application.

Conclusions. The AddInCAD application has been tested on CAD systems provided by CSoft company, a Russian CAD manufacturer. The testing has confirmed the possibility of script-based interaction between CAD user and CAD expert in «learning by doing» mode.

Key words: design automation, learning by doing, user-expert interaction.

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Ключевые слова на русском языке: 
автоматизация проектирования, обучение через деятельность, коммуникация пользователя и эксперта
Ключевые слова на английском языке: 
design automation, learning by doing, user-expert interaction
The DOI index: 
10.17588/2072-2672.2016.5.060-069
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44