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Development of Measuring System for EVA Spacesuit View Area

Author: ZhangZuo
Tutor: ZhouMingLian
School: Beijing Jiaotong University
Course: Mechanical Engineering
Keywords: Vision Spacesuit Articulated arm Detect Three-dimensional display
CLC: TP274
Type: Master's thesis
Year: 2011
Downloads: 10
Quote: 0
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Abstract


The development of manned space flight, the development of space resources is an important goal in the field of aerospace, to highlight the growing important role in this goal spacesuit. Spacesuit not only be able to open the harsh environment of isolation astronauts and space to protect the lives and safety of the astronauts, and activities of the spacesuit performance determines astronaut extravehicular job the degree of difficulty. But the first condition of all extravehicular activity astronaut able to see the need to operate the region, the field of view of this paper is to study the astronauts wearing spacesuits case. Flying spacesuit vision is developed detection system capable of testing, the field of view of the astronauts wearing spacesuits provide research based on the ergonomics of the space suit. First article based on the principle of medical perimetry test for the shape characteristics of the flying spacesuit design vision detection system suitable for flying spacesuit detection programs, dynamic vision detection method of detection. In the basis of this program, the mechanical structure of the detection system design, using the the plane rotation manipulator structure as the structure of the main body portion of the detector. The homogeneous transformation theory of the detection system using robotics and DH coordinate description method to establish the mathematical model of the system. Analysis of the sources of systematic error, system error model, and use Matlab to analyze the various rotating joint angular error on the test system error. The design of the electrical portion of the software portion of the system. Electrical parts including part of the servo motor positioning technology and use of PCI boards for data acquisition. Testing software system in VC 6.0 development environment, combined with OpenGL technology to achieve the effect of real-time three-dimensional display of real-time data acquisition and testing data in the software interface. Dressed in spacesuits astronauts field of view in the horizontal direction of the open angle greater than 180 degrees, so you want to test results with a graphical representation of the more difficult and for this, we designed a mole Witt, and three-dimensional diagram method using Matlab7.10.0 for data processing. Data on the test results were used to report the way, said the way and three-dimensional diagram of Second 维摩尔维特 diagram method. The results were analyzed using the grid method using the powerful computing capabilities of Matlab software and expressed astronauts with a three-dimensional visual area, the test results more intuitive. In summary shown flying spacesuit vision range detection equipment for the national initiative, the test system to fill the blank of this field of research, and provides a scientific and effective data for the future improvement of the spacesuit of China the development of the aerospace industry has played a catalytic role.

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CLC: > Industrial Technology > Automation technology,computer technology > Automation technology and equipment > Automation systems > Data processing, data processing system
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