Method for measuring angular displacement of gyroscope stabilization platform
A technology for a gyro-stabilized platform and a measurement method, which is applied to measurement devices, instruments, electrical devices, etc., can solve the problems of encoders occupying the axial space of azimuth axis, high processing accuracy and installation and adjustment requirements, and increase the loadable task load. Space, the effect of reducing the axial dimension
Inactive Publication Date: 2018-07-20
CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI
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[0004] The invention aims to solve the technical problem that the encoder occupies a large axial space of the azimuth axis or the pitch axis in the prior art, and has high requirements for machining accuracy and assembly and adjustment, and provides a method for measuring the angular displacement of the gyro-stabilized platform
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[0016] The specific embodiments of the present invention will be further described below in conjunction with the accompanying drawings.
[0017] The present invention provides a method for measuring the angular displacement of a gyro-stabilized platform in an embodiment. The gyro-stabilized platform includes an azimuth axis, a pitch axis, a first capacitive sensor and a second capacitive sensor, such as figure 2 As shown, the measurement method includes the following steps:
[0018] Step S11, setting the azimuth axis eccentricity detection arc surface on the azimuth axis, and setting the pitch axis eccentricity detection arc surface on the pitch axis;
[0019] Step S12, according to the preset installation distance of the capacitive sensor, fix the first capacitive sensor on the platform frame of the gyro-stabilized platform to detect the azimuth axis eccentricity detection arc surface, and fix the second capacitive sensor on the platform frame of the gyro-stabilized platform...
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The invention provides a method for measuring the angular displacement of a gyroscope stabilization platform. The gyroscope stabilization platform comprises an azimuth shaft, a pitching shaft, a firstcapacitive sensor and a second capacitive sensor. The measuring method comprises the steps of arranging an azimuth shaft eccentric detection arc surface on the azimuth shaft, arranging a pitching shaft eccentric detection arc surface on the pitching shaft; fixing the first capacitive sensor on a platform frame of the gyroscope stabilization platform according to the preset installation distance of the capacitive sensor, so as to detect the azimuth shaft eccentric detection arc surface, fixing the second capacitive sensor on the platform frame of the gyroscope stabilization platform so as to detect the pitching shaft eccentric detection arc surface, obtaining the angular displacement of the azimuth shaft according to the first eccentric distance of the azimuth shaft eccentric detection arcsurface and the first linear displacement detected by the first capacitive sensor, and obtaining the angular displacement of the pitching shaft according to the second eccentric distance of the pitching shaft eccentric detection arc surface and the second linear displacement detected by the second capacitive sensor.
Description
technical field [0001] The invention relates to the field of measuring methods for optical-mechanical structures, in particular to a measuring method for angular displacement of a gyro-stabilized platform. Background technique [0002] In order to realize the reconnaissance and positioning of the same target in multiple ways, it is often required that the airborne gyro-stabilized platform can carry a variety of task loads within a limited volume range, so improving the load-to-volume ratio of the airborne gyro-stabilized platform is directly related to the gyro Stabilize the performance of the platform. At present, most gyro-stabilized platforms adopt the structural form of two axes and two frames or two axes and four frames. The common feature of these two structures is that the drive motor and angle measuring encoder are all connected in series on the azimuth rotation axis and the pitch rotation axis. On the other hand, this directly limits the space that the gyro-stabili...
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IPC IPC(8): G01B7/30
CPCG01B7/30
Inventor 张宇鹏汪永阳
Owner CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI