The research of the high precision universal stable reconnaissance platform in near space
2011
The appliance of military was recognized more and more ,It is important that pod can bear the weight of the
availability payload achieve the observation to the earth in 20km-100km area and work in the all-weather. The stable
platform can load high imaging spectrometer, the thermal infrared imager, the infrared radiometer, the millimeter waves
radar, the laser weapon and so on,in order to realize reconnaissance and attacking integrative and warning the long-distant
missile. The stabilization accuracy of platform is prior to 20μrad and burden heavy load to the best of one's abilities. It
used high precision velocity and acceleration gyroscope to fulfill the stabilization of the platform. Light-weight design
by using new composite material and optimizing design. It was adapt to the near space environment better by structure
design and simulation analysis.Enhance its basic frequency and sure the rigid of the frame platform .In addition, the
structure of platform apply the two-axis and four-frame and use the method of FEA to fulfill the optimum design in order
to attain the object of light-weight.In consider to the precision of the platform I establish the math model and make use of
the monte carlo method to appraise and analysis the error that affect the precision of the platform. After emulating by the
software of the Matlab to verify the results. It is apply the method that link the platform and aerocraft by mounting the no
angular displacement shock absorbers on the elevator mechanism. This kind of design insulate the angular vibration and
minish the linear vibration to ensure the image quality.
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