A method for aligning the zero position of the installation angle of the photoelectric platform and the carrier
A photoelectric platform and installation angle technology, applied in the field of aviation testing, can solve the problems of inaccurate positioning accuracy and achieve the effect of improving accuracy
Active Publication Date: 2020-10-13
CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI
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[0004] Aiming at the problem of inaccurate positioning caused by the rotation between the coordinate system of the photoelectric platform and the coordinate system of the carrier, it is necessary to propose a method that can ensure that the zero position of the azimuth axis of the photoelectric platform is parallel to the longitudinal axis of the carrier, and the zero position of the pitch axis of the photoelectric platform is parallel to the vertical axis of the carrier. A method for zero alignment of the photoelectric platform parallel to the pitch axis of the carrier and the installation angle of the carrier
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[0022] In order to enable those skilled in the art to better understand the solutions of the present invention, the following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only It is an embodiment of a part of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.
[0023] The terms "first", "second", "third", "fourth", etc. (if any) in the description and claims of the present invention and the above drawings are used to distinguish similar objects and not necessarily Describe a specific order or sequence. It is to be understood that the terms so used are interchangeable under appropriate cir...
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The embodiment of the invention discloses a method for aligning the zero position of the installation angle of the photoelectric platform and the carrier aircraft. In this method, the position of the autocollimating theodolite is adjusted by aiming at two vertical lines on the longitudinal axis of the carrier aircraft and the linear guide rail, the autocollimating theodolite is fixed on the extension line of the longitudinal axis of the carrier aircraft, and the first orientation and The first pitch angle; point the visual axis of the self-collimation theodolite to the optical axis of the photoelectric platform, and when the center of the reticle of the photoelectric platform coincides with the reticle of the self-collimation theodolite, record the second azimuth and the second pitch angle of the self-collimation theodolite; Obtain the azimuth angle between the first azimuth angle and the second azimuth angle, and the pitch angle between the first pitch angle and the second pitch angle; modify the azimuth angle of the photoelectric platform to the azimuth angle by debugging the computer software, and change the pitch of the photoelectric platform The angle is changed to a pitch angle, effectively ensuring that the zero position of the azimuth axis of the photoelectric platform is parallel to the longitudinal axis of the carrier, and the zero position of the pitch axis of the photoelectric platform is parallel with the pitch axis of the carrier.
Description
technical field [0001] The invention relates to the technical field of aviation testing, in particular to a method for zero alignment of an airborne photoelectric platform and an installation angle of an airborne aircraft. Background technique [0002] The target positioning of air reconnaissance is based on the azimuth angle and pitch angle of the photoelectric platform pointing to the target and the distance between the target and the photoelectric platform given by the laser rangefinder, combined with the position information of the carrier aircraft and the attitude angle of the carrier aircraft, the target position in the earth coordinate system is calculated. longitude, latitude, and altitude. The essence of target positioning is several coordinate transformation relationships among the photoelectric platform coordinate system, aircraft coordinate system, aircraft geographic coordinate system, earth rectangular coordinate system, and earth coordinate system. The final ...
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IPC IPC(8): G01C25/00
CPCG01C25/00
Inventor 郎小龙
Owner CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI