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Encoding method for circuit diagram characteristic string

A technology of character strings and encoding methods, which is applied in the fields of electrical digital data processing, CAD circuit design, special data processing applications, etc.

Inactive Publication Date: 2016-05-11
GUANGXI POLYTECHNIC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As for the code comparison technology of analog circuit diagrams, there is no relevant literature report in China.

Method used

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  • Encoding method for circuit diagram characteristic string
  • Encoding method for circuit diagram characteristic string
  • Encoding method for circuit diagram characteristic string

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] Embodiment one: the following is the combination Figure 1 ~ Figure 3 The application of the present invention will be described in detail.

[0031] figure 1 The standard LED drive circuit built in the practice system is designed for analog circuits. During the practice, the practice system deletes the connecting lines between the circuit components, retains only the components, and re-arranges the placement direction and placement of the components randomly; students according to the design requirements of the topic , rearrange components and add connectors, figure 2 and image 3 Examples of designs completed by different students.

[0032] figure 1 The encoding steps of the characteristic string of the circuit diagram are as follows:

[0033] (1) Pin feature string encoding: traverse all components in the circuit diagram, and generate pin feature strings according to the pin feature string encoding rules for each pin of each component, as shown in Table 1.

[0...

Embodiment 2

[0060] Embodiment two: the following is the combination Figure 4 ~ Figure 6 Application of the present invention will be described again.

[0061] Figure 4 The built-in standard 10 times AC voltage inverse proportional amplifier for the analog circuit design practice system. During the practice, the practice system deletes the connecting lines between the circuit components, keeps only the components, and re-arranges the placement direction and placement of the components randomly; students According to the design requirements of the topic, rearrange the components and add connecting lines, Figure 5 and Figure 6 Examples of designs completed by different students.

[0062] Figure 4 The encoding steps of the characteristic string of the circuit diagram are as follows:

[0063] (1) Pin feature string encoding: Traverse all components in the circuit diagram, and generate pin feature strings according to the pin feature string encoding rules for each pin of each componen...

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Abstract

The invention provides an encoding method for a circuit diagram characteristic string. The encoding method comprises four steps: encoding a pin characteristic string; encoding a branch equivalent characteristic string; encoding a node characteristic string; and encoding a circuit diagram characteristic string. The encoding method can map a two dimensional circuit diagram into a one dimensional string by setting an encoding and ordering rule, and can define the obtained one dimensional string as a circuit diagram characteristic string. By extracting and comparing the circuit diagram characteristic strings of two circuits, the encoding method can determine whether the two circuits are consistent. If the circuit diagram characteristic strings of two circuits are completely consistent, the two circuit diagrams belong to the same circuit; and if not, the two circuits are different circuits. Therefore, the encoding method can be used for simulating a circuit design practice system to realize comparison between a standard circuit and a circuit designed by a student.

Description

technical field [0001] The invention relates to a coding method of a circuit diagram, in particular to a coding method of a characteristic character string of a circuit diagram, and belongs to the fields of electronic technology and computer technology. Background technique [0002] Analog Electronics Technology is one of the most important technical basic courses for majors in electronic information, communication and electrical engineering. It aims to cultivate students' ability to analyze and design typical analog circuits. For the training of analysis ability, it is relatively easy to realize, but for the training of design ability, it is more difficult to realize. The main reason is that most of the practice questions provided by the teaching materials and the supporting practice system are circuit analysis questions, and there are almost no circuit design questions. Therefore, most of the students' usual training is for circuit analysis training, and seldom for circuit...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09B23/18G06F17/50
CPCG06F30/36G09B23/183
Inventor 韦忠善邓云刘东海李显圣朱海燕
Owner GUANGXI POLYTECHNIC
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