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Network-based engineering drawing automatic judging method

A kind of engineering drawing and automatic technology, applied in the direction of electric operation teaching aids, special data processing applications, instruments, etc.

Inactive Publication Date: 2006-05-24
NANJING NORMAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There are serious flaws in the technology of using the current test method for graphic operation test questions

Method used

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  • Network-based engineering drawing automatic judging method
  • Network-based engineering drawing automatic judging method
  • Network-based engineering drawing automatic judging method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0116] Architecture Framwork framework, using Visual Basic.net language to write management applications, based on hypertext server and client, as well as SQL Server database server, encryption module and other hardware to run.

[0117] User identity verification module: including user ID, password and random verification code;

[0118] The tree display module organizes the content of the list tree on the left. The footer is the public management module;

[0119] SQL design database, build relational database according to graphic knowledge points in detail.

[0120]Compile the encryption module, encrypt the core judgment engine, save the key data and some engine execution instructions in the special encryption hardware, and identify whether it can run when the engine is called.

[0121] Working principle and working process:

[0122] Question making process:

[0123] The question bank part in the database is added through the question making interface, and the content incl...

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PUM

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Abstract

The invention is applicable to computer aided instruction for engineering drawing. According to different users, the method decomposes relevant functions into different module units including management module based on network, kernel module for judging credit based on detailed analyzing knowledge points, module for students to submit homework, module for completing homework and querying feed back, and networked module for managing titles of engineering drawing. Under specific requirement, the system can implement specific rules for judging credits, possessing better flexibility. According to presetting rules, the method can mark highlighted tags on error positions in graph. Through colors, linewidth, line type, and text discrition, taking full advantage of graphical display, the invention realizes adding artificial comment automatically.

Description

technical field [0001] The invention relates to a method for computer-aided engineering drawing teaching, which belongs to the technical field of computer automatic evaluation and testing systems. Background technique [0002] There are too many manual intervention links in the existing drawing exercises and evaluation of tests. In the case of paper work, judges need to visually inspect or even use drawing instruments to measure in order to judge the correctness of the work graphics. If computer graphics are used for homework, it is still at the stage of manual review. The method adopted is to manually open the graph, perform manual query, attribute display, etc., or insert the correct answer, perform comparison, and give a score. Obviously, there are uncertainties in the accuracy of visual inspection and the correctness of detailed attributes. Furthermore, if appropriate comments are to be given, the workload is enormous. Obviously, there are defects such as low efficie...

Claims

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Application Information

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IPC IPC(8): G06F17/00G06Q10/00G09B7/00
Inventor 徐文胜俞梅栗合营
Owner NANJING NORMAL UNIVERSITY
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