A two-axis servo control system orthogonality compensation method for vehicle-mounted photoelectric sighting and sighting system

A technology of servo control system and sight-seeing system, which is applied in the direction of electric speed/acceleration control, etc.

Active Publication Date: 2021-03-30
西安应用光学研究所
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  • Application Information

AI Technical Summary

Problems solved by technology

For the first time, it is proposed to solve the problem of orthogonality of the vehicle-mounted photoelectric observation and sight system from the servo control system, and compensate the orthogonality of the vehicle-mounted photoelectric observation and sighting system to control it within a reasonable range, so that the operator can accurately aim and capture the target

Method used

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  • A two-axis servo control system orthogonality compensation method for vehicle-mounted photoelectric sighting and sighting system

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Embodiment Construction

[0017] Describe the present invention below in conjunction with specific embodiment:

[0018] Aiming at the orthogonality problem of the vehicle-mounted photoelectric observation and sighting system, the present invention proposes to solve the orthogonality problem of the vehicle-mounted photoelectric observation and sighting system from the servo control system, provides a compensation method for solving the orthogonality error, and carries out the orthogonality analysis of the vehicle-mounted photoelectric observation and sighting system. Compensation makes it controlled within a reasonable range, enabling the operator to accurately aim and capture the target.

[0019] The main principle of the present invention is that when the azimuth is moving at a high speed, the DSP of the servo control system is used to collect the angle value of the pitching motion, and the angular velocity of the pitching motion is calculated, and it is superimposed into the control system as a revers...

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Abstract

The invention provides a method for orthogonality compensation of a two-axis servo control system for a vehicle-mounted photoelectric observing and aiming system. During the directional high-speed motion, a DSP of a servo control system is used for collecting an angle value of a pitch motion and an angular velocity of the pitching motion is calculated; and the angular velocity as a reverse compensation amount is added to a control system to realize compensation on the pitching motion. The method is suitable for the photoelectric observing and aiming system in high-speed searching in a 360-degree omnidirectional range, so that a problem of an offset between a gyroscope sensitive axis and a product rotary table rotary axis is solved. The method has advantages of simple algorithm and real-time compensation.

Description

technical field [0001] The invention belongs to the technical field of automatic control, and mainly relates to a compensation method for the orthogonality of a two-axis servo system of a vehicle-mounted photoelectric sighting and sighting system. Background technique [0002] The vehicle-mounted photoelectric sighting and sighting system includes photoelectric sensing systems such as visible light, thermal imaging, and laser rangefinders. It has the capabilities of independent search, two-way stability, 360° azimuth search, and pitch -10°~+45° search. How to accurately aim and capture the target is very necessary for the user when searching around. However, when searching and aiming, there is always an irreversible deviation between the two axes of the servo control system and the two axes of the gyro itself due to factors such as processing and assembly, resulting in two-axis involvement. Uncontrolled movement affects the operation and use of the product. Therefore, it i...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G05D13/62
CPCG05D13/62
Inventor 郭新胜谭名栋党力韩伟赵青林胥青青张兰兰李丹李浩陈洪彩
Owner 西安应用光学研究所
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