Navigation and positioning method based on sky polarized light distribution mode
A distributed mode, navigation and positioning technology, applied in the field of navigation and positioning, can solve the problems of high precision, easy to be affected by meteorological factors, navigation methods, and inability to locate
Active Publication Date: 2014-04-30
DALIAN UNIV OF TECH
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Problems solved by technology
[0006] The purpose of the present invention is to overcome the defects that the existing sky polarized light polarization mode matching navigation method is easily interfered by meteorological factors and the sensor-based navigation method cannot be located, and to invent a method that can use the sky polarized light distribution mode to realize navigation for various weather conditions And positioning method, this method completely uses sky polarized light for autonomous navigation and positioning, without the need for other auxiliary information, good real-time performance, good operability, free from any external factors, high precision, and can quickly provide accurate heading information and location information
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[0036] The concrete implementation of the present invention is described in detail below in conjunction with accompanying drawing and technical scheme:
[0037]In the present invention, the sky polarized light test instrument is used to test the distribution mode of polarized light in the whole sky. The instrument includes five parts: polarization rotation system I, optical system II, spectrum receiving system III, computer IV, and support structure V, see image 3 . Among them, the polarization rotation system I is equipped with a rotatable linear polarizer, and the spectrum receiving system III uses a cosine corrector and an optical fiber to connect the optical system and the spectrometer, and the data collected by the spectrometer is transmitted to the computer IV; the test instrument is installed on the supporting structure V Above; the supporting structure V includes an equatorial mount 1 and a supporting platform 2 to ensure that the instrument can realize the test of li...
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The invention relates to a navigation and positioning method based on a sky polarized light distribution mode, belongs to the field of celestial navigation and positioning and relates to the navigation and positioning method based on the sky polarized light distribution mode. According to the method, the sky polarized light is completely utilized to perform autonomous navigation and positioning, theoretical data information of the sky polarized light distribution mode is obtained by calculation through solar height and azimuth information and position information of a test site, then polarization mode data information obtained by real-time testing and the theoretical data information are used for performing data matching, and the accurate position information of the test site can be directly obtained according to theoretical data of the sky polarized light distribution mode after the matching succeeds. According to the method provided by the invention, the sky polarized light is completely utilized to perform the autonomous navigation and the positioning, other auxiliary information is not required, the real-time property is good, the operability is good, the method can not be interfered by any external factor, the precision is high, and the accurate course information and the position information can be fast provided.
Description
technical field [0001] The invention belongs to a celestial navigation and positioning method, in particular to a navigation and positioning method of sky polarized light distribution mode, and belongs to the field of navigation and positioning. Background technique [0002] The celestial navigation and positioning method based on the sky polarized light distribution mode uses the sky polarized light distribution mode as a navigation beacon, obtains the sky polarized light distribution mode through the test instrument, and obtains effective polarization navigation information, which is a completely autonomous navigation method, thus It has strong anti-interference ability. [0003] Scholars at home and abroad have respectively proposed a sky polarization distribution pattern matching algorithm (Liang Hua. Navigation and positioning method based on sky polarization distribution pattern matching: China, 201210504865.2 [P]. 2013-03-13) and the use of polarization The included ...
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Login to View More IPC IPC(8): G01C21/02
CPCG01C21/02G01C21/20
Inventor 崔岩陈小龙陈辰李晨牧褚金奎关乐张然
Owner DALIAN UNIV OF TECH