A semi-physical simulation large dynamic energy infrared target simulation system
A semi-physical simulation and simulation system technology, which is applied in the direction of measuring devices, machine/structural component testing, instruments, etc., can solve the problem that weak energy infrared targets and strong energy infrared targets are difficult to balance, so as to improve the accuracy of energy control and use flexible effects
Active Publication Date: 2019-05-03
SHANGHAI INST OF ELECTROMECHANICAL ENG
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Problems solved by technology
[0004] Aiming at the deficiencies of the prior art, the purpose of the present invention is to solve the problem that it is difficult to balance weak energy infrared targets and strong energy infrared targets in hardware-in-the-loop simulation, and realize infrared point source target simulation with a large dynamic energy range
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[0020] Such as figure 1 As shown, the present invention is composed of a control module 1 , a radiation source module 2 , an optical system 3 and a supporting device 4 . The radiation source module 2 generates a blackbody infrared radiation beam of a certain size and energy, and the optical system 3 converges and collimates the blackbody infrared radiation generated by the radiation source module 2 into a parallel light output. The control module 1 obtains the control instructions of the host computer through communication with the host computer, and converts them into target energy control signals, target shape control signals, and target light blocking control signals, and controls the target energy and target shape sizes generated by the radiation source module 2. And target switch status for real-time control.
[0021] Such as figure 1 , figure 2 , Figure 4 , Figure 5 , Figure 6 and Figure 7 As shown, the radiation source module 2 of the present invention is co...
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The invention provides a large-dynamic-energy infrared target simulation system. The system is formed by a radiation source module, an optical system, a control module and a matching device. The radiation source module comprises a blackbody radiation source, a blackbody controller, a collecting lens, a light blocking piece, an attenuation slice group and a diaphragm group. The attenuation slice group comprises an attenuation slice A and an attenuation slice B. The diaphragm group comprises a diaphragm sheet A and a diaphragm sheet B. The optical system comprises a relay optical lens and a collimation optical lens. The control module comprises an industrial control computer (with a reflection memory card and a motion control card), an I / O card, a motor driver, a servo motor, a control cable and control software and the like. The control module can control change of shape, size and energy of a target. The blackbody controller adjusts the temperature of a blackbody to realize adjustment of spectral characteristics of the radiation source.
Description
technical field [0001] The invention relates to an infrared target simulation system, which is used in infrared semi-physical simulation. Specifically, it relates to an infrared target simulation system with a large energy dynamic range. Background technique [0002] Infrared technology has always been one of the fastest-growing high-tech technologies, especially high-sensitivity infrared systems are currently a hot spot in research and application. Infrared hardware-in-the-loop simulation test has the advantages of being realistic, economical, controllable, and repeatable. It is the main means to simulate the working process of the infrared system and test the performance of the infrared system in the laboratory. The infrared target simulation system is a key component of the infrared hardware-in-the-loop simulation system. Its function is to generate real-time changing infrared target signals in the field of view of the tested infrared system and simulate the dynamic radi...
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IPC IPC(8): G01M11/00
Inventor 杨扬李艳红李奇刘晓娟张励史明余海鸣
Owner SHANGHAI INST OF ELECTROMECHANICAL ENG