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Mobile cable modeling and motion simulation method and device based on physical characteristics

A technology of physical characteristics and motion simulation, applied in electrical digital data processing, special data processing applications, instruments, etc.

Inactive Publication Date: 2010-06-09
BEIJING INSTITUTE OF TECHNOLOGYGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Because the designer cannot understand many special problems of the active cable in the actual working process at the design stage

Method used

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  • Mobile cable modeling and motion simulation method and device based on physical characteristics
  • Mobile cable modeling and motion simulation method and device based on physical characteristics
  • Mobile cable modeling and motion simulation method and device based on physical characteristics

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Embodiment Construction

[0073] The technical scheme of the invention includes: establishing a physical characteristic model, solving the physical characteristic model and motion simulation. The establishment of the physical characteristic model includes the establishment of a coordinate system, the force analysis of the micro-elements of the cable, and the construction of the Kirchhoff equilibrium equation. Solving the physical characteristic model is to divide the cable section according to the relevant theory of numerical analysis and to solve the Kirchhoff equilibrium equation theoretically. Motion simulation is the process of applying the above-established physical characteristic model and its solution to realize the function of motion simulation.

[0074] figure 1 It is a structural block diagram of a modeling, model solving and motion simulation device based on physical characteristics of an active cable in an embodiment of the present invention, figure 1 Including:

[0075] Model building m...

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Abstract

The invention discloses a mobile cable modeling and motion simulation method and a device based on physical characteristics. The method comprises: building the physical characteristic model of a mobile cable; solving the physical characteristic model of the mobile cable; according to the obtained solution, carrying out motion simulation on the mobile cable, and dispersing the path of the motion end node of the mobile cable into a set of path key points according to time sequence; storing the path key point information; obtaining the path key point information; according to the obtained path key point information, calculating the position information of multiple nodes of the mobile cable; substituting the obtained path key point information into the physical characteristic model of the mobile cable to be solved to obtain the position information of multiple nodes of the mobile cable corresponding to the obtained path key point information; and determining the space attitude of the mobile cable corresponding to the obtained path key point information. The invention can accurately express the physical property of the mobile cable and realizes physical characteristic modelling and motion process simulation of a flexible object in the true sense.

Description

technical field [0001] The invention mainly relates to the field of mechanical engineering, in particular to a method and device for modeling and motion simulation of an active cable based on physical characteristics. Background technique [0002] Cables occupy a large proportion in complex electromechanical products such as aviation, aerospace, automobiles, and ships. As an important transmission "link" between electronic equipment and extension modules of electromechanical products, cables are important to ensure reliable operation of products It is also self-evident. Cable routing quality and assembly reliability directly impact product performance and reliability. [0003] For example: General Electric Company of the United States, after summarizing the air parking incidents that occurred in the use of engines developed in the past, found that 50% of the real causes of air parking incidents were due to damage and failure of external pipelines, cables, and sensors. caus...

Claims

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Application Information

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IPC IPC(8): G06F17/50
Inventor 刘检华宁汝新赵涛
Owner BEIJING INSTITUTE OF TECHNOLOGYGY
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