Holder mechanical structure multi-objective integrated optimization method based on ISIGHT joint simulation

A multi-objective integration, mechanical structure technology, applied in the field of aviation inertial stabilization platform design, can solve problems such as lack of practical research in papers, and achieve the effects of improving optimization efficiency, reducing time consumption, and improving accuracy and reliability

Inactive Publication Date: 2019-08-16
BEIHANG UNIV
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  • Application Information

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Problems solved by technology

[0005] In summary, with the development of light and small UAV technology and the popularization of applications, there is a broad prospect for the optimiza

Method used

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  • Holder mechanical structure multi-objective integrated optimization method based on ISIGHT joint simulation
  • Holder mechanical structure multi-objective integrated optimization method based on ISIGHT joint simulation
  • Holder mechanical structure multi-objective integrated optimization method based on ISIGHT joint simulation

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Embodiment Construction

[0043] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0044] figure 1 It is a three-dimensional model diagram of the mechanical structure of the cloud platform of the present invention, including: azimuth motor 1, shock absorber 2, azimuth shaft system 3, limit mechanism 4, pitch motor 5, pitch shaft system 6, pitch frame 7, roll frame 8 , roll axis system 9, roll motor 10, azimuth frame 11; the three frames distributed from inside to outside are the main structure of the pan / tilt. The pitch components in the three frames include: pitch motor 5, pitch shaft system 6, and pitch frame 7; the roll component includes: roll frame 8, roll shaft system 9, and roll motor 10; the azimuth component includes: azimuth motor 1 , azimuth axis system 3, azimuth frame 11. Among them, the azimuth motor 1, the pitch motor 5, and the roll motor 10 are respectively fixed on the azimuth axis system 3, the pitch axis...

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Abstract

The invention discloses a holder mechanical structure multi-objective integrated optimization method based on ISIGHT joint simulation. According to the method, a light and small multi-rotor unmanned aerial vehicle holder is used as a research object. The objective of the invention is to solve the problems of multi-objective requirements of a light and small multi-rotor unmanned aerial vehicle pan-tilt system on a structure and low optimization efficiency of a complex finite element simulation model. Appropriate optimization design parameters are selected through sensitivity analysis, an approximation model algorithm is established by utilizing a response surface model and a neural network model, meanwhile, a multi-objective integrated optimization algorithm scheme is established by combining and utilizing an improved genetic algorithm, and light-weight high-mode multi-objective optimization design of the pan-tilt-zoom mechanical system is realized. According to the invention, a joint simulation platform is established based on the integration of an SOLIDWORKS and an ANSYS WORKBENCH by the ISIGHT. A complex pan-tilt structure simulation model does not need to be established, the design cycle and cost are saved when the design requirements are met, and the method has the advantages of being high in efficiency and facilitating engineering implementation.

Description

technical field [0001] The invention belongs to the technical field of aviation inertial stability platform design, and specifically relates to a multi-objective integrated optimization method for the mechanical structure of the pan / tilt based on ISIGHT joint simulation, which is used to improve the optimization efficiency of the mechanical structure of the pan / tilt while meeting the design requirements. For the optimization of the mechanical structure of large, medium and small UAV platform systems. Background technique [0002] The light and small aerial remote sensing system with multi-rotor UAV as the flight carrier has the advantages of flexible image acquisition, high image resolution, and low cost. It has become an effective supplement to traditional aerial remote sensing measurement methods and has been widely used in geographic surveying It can be used in important military and civilian areas such as inspection, disaster relief, and police stability maintenance, and...

Claims

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Application Information

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IPC IPC(8): G06F17/50
CPCG06F30/17G06F30/23
Inventor 周向阳何俊峰朱军
Owner BEIHANG UNIV
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