Simulation sight line error correction method and system based on straight guide rail mechanical motion platform

Abstract

The invention provides a simulation sight line error correction method and system based on a straight guide rail mechanical motion platform. The simulation sight line error correction method comprises the steps that S1, a simulation control system carries out real-time calculation to obtain a flight rotary table control instruction and theoretical target sight line information; s2, the mechanical motion platform control system receives the theoretical target sight line information, calculates a mechanical motion platform five-dimensional control instruction in real time and sends the mechanical motion platform five-dimensional control instruction to the mechanical motion platform; and S3, the mechanical motion platform responds to the five-dimensional control instruction, and the flight turntable responds to the flight turntable control instruction, so that target sight line simulation error correction is realized. According to the method, the simulation error of the sight line is corrected from the two aspects of the angular position and the beam pointing, and the high-precision simulation capability of a wide-frequency-band simulation system is effectively improved.

Description

technical field [0001] The invention relates to the technical field of weapon guidance control simulation control, in particular, to a method and system for correcting a simulation line of sight error based on a mechanical motion platform with a straight guide rail, and more particularly, to a simulation error of a target line of sight based on a mechanical motion platform with a flat guide rail The correction method is to realize the correction of the visual simulation error of the mechanical motion platform from five dimensions. Background technique [0002] With the rapid development of electronic information technology, the working frequency band of weapon radar detection system has been expanded from single frequency band to multi-mode wide frequency band field with wide bandwidth and good anti-jamming performance. In order to realize the simulation of the wide-band electromagnetic environment of the weapon in the guidance and control hardware-in-the-loop simulation sys...

AI Technical Summary

Problems solved by technology

In order to accurately simulate the target line of sight, the radio frequency target signal radiation unit needs to move on the spherical surface with the center of rotation of the flying turntable as the center of the sphere. At present, the mechanical motion platform has two kinds of guide rails: arc and straight. The arc guide rail can meet the requirements of spherical motion. However, compared with the straight guide rail, the mechanical motion platform based on the arc guide rail design has limited movement speed and cannot simulate the highly dynamic line-of-sight angular velocity

The traditional two-dimensional (horizontal and vertical two dimensions) straight guide rails cannot realize the spherical motion of the radio frequency target signal radiation unit, which will generate a line of sight error. Therefore, under the premise of ensuring a relatively high dynamic line of sight angular velocity, it is necessary to The guide rail design control method corrects the line of sight simulation error caused by aspheric surface movement

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