Calibration device and calibration method for radio frequency homing-based semi-physical simulation system

A semi-physical simulation and radio frequency simulation technology, applied in the direction of electrical testing/monitoring, can solve the problem of inability to align the position of the column and the center calibration of the array, the deviation of the data from the real technical state of the system, and the inability to fully and truly reflect the radio frequency semi-physical simulation system technology Status and other problems, to achieve the effect of high calibration progress, convenient installation and convenient operation

Inactive Publication Date: 2015-04-15
GUIZHOU AEROSPACE INST OF MEASURING & TESTING TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] (1) The self-test monitoring data of the RF simulation system comes from different feedback units, and there is distortion in data collection and transmission, so there is a certain deviation between the data and the real technical state of the system, which cannot fully and truly ref

Method used

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  • Calibration device and calibration method for radio frequency homing-based semi-physical simulation system
  • Calibration device and calibration method for radio frequency homing-based semi-physical simulation system
  • Calibration device and calibration method for radio frequency homing-based semi-physical simulation system

Examples

Experimental program
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Example Embodiment

[0041] Embodiment 1: The method for calibrating the angular position of the radio frequency simulation turntable, including a 23-sided prism and a photoelectric autocollimator with a resolution of 0.1 seconds, a radio frequency simulation turntable angular position calibration module, and the polyhedral prism is fixedly connected to the radio frequency. On the table surface of the simulation turntable, coaxial with the RF simulation turntable, the optical autocollimator reading head is aligned with the center of the polygonal prism mirror surface, fixed on the fixed support base, and connected with the data acquisition device connected with the upper computer. connected, the steps include the following:

[0042] (1) Align the autocollimator with the first side of the polyhedral prism, and record the reading of the autocollimator;

[0043] (2) According to the angle of the polyhedral prism, rotate the RF simulation turntable clockwise by a corresponding angle, and record the re...

Example Embodiment

[0048] Embodiment 2: The method for calibrating the angular rate of the radio frequency simulation turntable includes a circular ring grating, which includes a grating ring and a grating head, is installed on a grating mounting seat, and is connected to the table surface of the radio frequency simulation turntable. The head is aligned with the grating ring, and it is connected to the data acquisition device connected with the host computer. The host computer and the data acquisition device are connected through a wireless transmitting and receiving module. The steps include the following: when the radio frequency simulation turntable moves, the time base The circuit starts timing immediately, and at the same time, the angle measuring device records the rotation angle of the angular rate calibration device, records and analyzes the data through the data acquisition and processing system, and obtains the angular rate parameter index, which is compared with the angular rate paramet...

Example Embodiment

[0053] Embodiment 3: The method for calibrating the position of the radio frequency array target speaker includes a Leica TCR1201 total station for 0.1 seconds, the lens of the total station is aimed at the target speaker, and it is connected to the data acquisition device connected with the host computer The steps include the following steps: by measuring the angle and distance of the array target speakers, recording the corresponding data, analyzing and processing the data received by the host computer, and obtaining the center of the array and the position and distance between the speakers. Angle relationship, to achieve the calibration of the RF array target.

[0054] The calibration device is calibrated by a metrology technical institution. The angle measurement error of the calibration device is 2 seconds, and the rate stability is up to 1×10 -6 . Field tests are carried out in the RF simulation laboratory, and the calibration data analysis of the RF simulation system p...

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Abstract

The invention discloses a calibration device and a calibration method for a radio frequency homing-based semi-physical simulation system. The calibration device comprises a radio frequency simulation turntable angular position calibration module, a radio frequency simulation turntable angular rate calibration module and a radio frequency array target loudspeaker position calibration module, wherein the data information of the radio frequency simulation turntable angular position calibration module, the radio frequency simulation turntable angular rate calibration module and the radio frequency array target loudspeaker position calibration module are transmitted to an upper computer through a data acquisition and transmission device. According to the calibration device and the calibration method, the radio frequency homing-based semi-physical simulation system is calibrated through the calibration device with the three modules, so that the problem that the calibration is easily distorted in the prior art is solved; calibration data are independent of a calibrated system; the credibility of the calibration data is improved; the technical state of a radio frequency simulation system is really reflected; the position and the center of a loudspeaker are calibrated through the loudspeaker position calibration module; calibration equipment is high in precision, convenient to mount and calibrate and simple in structure; the calibration method is simple, the data are reliable, and the efficiency is high.

Description

technical field [0001] The invention relates to a calibration device and a calibration method for a semi-physical simulation system for radio frequency homing, and belongs to the technical field of instrument equipment calibration. Background technique [0002] The application of the radio frequency hardware-in-the-loop simulation system not only solves the problem of low accuracy of full digital simulation although it is simple and easy, but also overcomes the limitations of the flight test, which has high real-time performance and high reliability of results. , its large scale, long time, complex technology, and high cost limit the number of tests, and it is impossible to collect system performance data with sufficient number of tests. The performance and reliability of the weapon system play an irreplaceable role, so it is very important to calibrate the RF hardware-in-the-loop simulation system. [0003] RF hardware-in-the-loop simulation test avoids the complexity and ...

Claims

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Application Information

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IPC IPC(8): G05B23/02
CPCG05B23/02
Inventor 刘亮
Owner GUIZHOU AEROSPACE INST OF MEASURING & TESTING TECH
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