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Knowledge engineering-based self-adaptive ship profile end cutting model establishment method

A technology of knowledge engineering and end-cutting, applied in knowledge expression, special data processing applications, geometric CAD, etc., can solve the problems of unfavorable modeling convenience, heavy workload, unfavorable modeling accuracy, etc., to improve design efficiency, Strong adaptability, avoiding the effect of mistakes

Pending Publication Date: 2022-05-27
CHINA SHIP DEV & DESIGN CENT
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Problems solved by technology

Regardless of the above methods, it is necessary to manually judge its type and corresponding parameter values ​​when creating end cuts. Since the characteristics of profile end cuts account for a large proportion of the entire ship modeling features, the workload is relatively huge, which is not conducive to The convenience of modeling is not conducive to the accuracy of modeling

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  • Knowledge engineering-based self-adaptive ship profile end cutting model establishment method
  • Knowledge engineering-based self-adaptive ship profile end cutting model establishment method
  • Knowledge engineering-based self-adaptive ship profile end cutting model establishment method

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Embodiment Construction

[0027] In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention.

[0028] like figure 1 As shown in the figure, a method for establishing an adaptive ship profile end-cutting model based on knowledge engineering includes the following steps:

[0029] 1) Establish end-cut basic type library;

[0030] Obtain the basic type of end cut according to the profile type and end cut style;

[0031] The commonly used types of profiles are mainly flat steel, bulb flat steel, angle steel and T profiles. The commonly used end cutting styles are S type, F type, W type, SS type and FS type. The above profile types and end cutting styles form an end cut. Basic types, as shown in Table 1;

[00...

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Abstract

The invention discloses a knowledge engineering-based self-adaptive ship profile end cutting model establishment method. The method comprises the following steps of 1) establishing an end cutting basic type library; 2) according to the basic type of end cutting, establishing an end cutting design universal template of each type; 3) performing parameter assignment on the ship profile by utilizing knowledge engineering rules; and 4) warehousing and calling the end cutting model. According to the method, the design logic is matched from the design rule, and the method has the self-adaptive characteristic, so that the design efficiency is improved.

Description

technical field [0001] The invention relates to a ship digital design technology, in particular to a knowledge engineering-based self-adaptive ship profile end-cutting model establishment method. Background technique [0002] Profile end cutting is a commonly used method for the end of profiles in ships. It is mainly used for the ends of flat steel, bulb flat steel, T profiles and angle steel. In the process of three-dimensional ship design, end cutting is one of the typical characteristics of profiles. , almost covering most of the profile models. There are two conventional processing methods for the end cutting of profiles. One is parameter table drive. The working principle is to first mark each profile of the profile specially, control the length and angle of the specified position through fixed parameters, and then restore the end through basic elements. Basic style of cut. The second method is to use the parametric method to directly complete the modeling of the nega...

Claims

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Application Information

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IPC IPC(8): G06F30/15G06N5/02G06F111/20
CPCG06F30/15G06N5/022G06F2111/20Y02T90/00
Inventor 黄亮吴宏敏林锐宋一淇万鹏
Owner CHINA SHIP DEV & DESIGN CENT
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