Key Laboratory of Optoelectronic Measuring Controlling and Optical Information Transmitting

Changchun, China

Key Laboratory of Optoelectronic Measuring Controlling and Optical Information Transmitting

Changchun, China
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Su S.,Changchun University of Science and Technology | Su S.,Key Laboratory of Optoelectronic Measuring controlling and Optical Information Transmitting | Zhang G.-Y.,Changchun University of Science and Technology | Zhang G.-Y.,Key Laboratory of Optoelectronic Measuring controlling and Optical Information Transmitting | And 2 more authors.
Jiliang Xuebao/Acta Metrologica Sinica | Year: 2013

Based on the actual needs of quality assessment of solar radiation measuring instrument, a new kind of multi-function test system which consists of solar simulator and versatile detection platform is proposed. In this research, a solar simulator is used to provide a stable and uniform radiation source, and versatile detection platform is used to meet the function of attitude control for the solar radiation meter. The results show that the solar simulator satisfies the 3A rank of AM1.5 standard, and can be used to test the cosine, direction response error, oblique error, nonlinear error and sensitivity of the radiation meter.


Sun X.,Changchun University of Science and Technology | Sun X.,Changchun University | Zhang G.,Changchun University of Science and Technology | Zhang G.,Key Laboratory of Optoelectronic Measuring controlling and Optical Information Transmitting | And 3 more authors.
Yi Qi Yi Biao Xue Bao/Chinese Journal of Scientific Instrument | Year: 2011

Aiming at the practical problem that conventional star simulator can not meet the requirement of high precision simulating the angular distance and high magnitude star in the calibration of high precision optical navigation simulator, a new type of high precision star simulator with large caliber and long-focus is presented, and the optical mechanical structure designs of the main compositions of this simulator, such as the simulator, the steering mirror and the standard target source and etc., are given in detail. According to the characteristics of the simulator, such as large size lens and multi lens, the lens cone is designed as a structure with the tube sleeve and inner sleeves fixed together. To eliminate the mirror deformation, the steering mirror is designed using the tiny stress design method. In order to achieve the simulation of 5 to 10 magnitude stars, the standard target source is designed using an OLED array light source that is connected to high precision star drone through optical fiber. Practical test indicates that the angular distance accuracy is ≤1″, and 5 to 10 magnitude stars can be simulated, which meets the calibration requirements of current high-precision optical navigation sensors.


Sun X.,Changchun University of Science and Technology | Sun X.,Changchun University | Zhang G.,Changchun University of Science and Technology | Zhang G.,Key Laboratory of Optoelectronic Measuring Controlling and Optical Information Transmitting | Duan J.,Changchun University of Science and Technology
Zhongguo Jiguang/Chinese Journal of Lasers | Year: 2012

In order to sovle design difficulties about failure of opto-mechanical system features due to axial pre-loading caused by thermal deformation, a controlled design method with axial conformity for opto-mechanical structure is proposed. The relationship between the thermal deformation and axial pre-loading is got based on the analysis of the thermal effect model. By comparing with the thermal analysis in the conventional axial pressure structure, a flexible element with controllable conformity between the axial pre-load and the thermal deformation is designed. The deformation analysis of the flexible elements with various model parameters showed that there is controllable conformity for the axial thermal deformation when the temperature is changed. A practice design method is given to built a model to calculate the axial thermal deformation and parameters for the flexible element. The controlled design method of axial conformity is used to design the construction of the star simulator. The measured results reveal that the method is feasible and effective.


Sun X.-Y.,Changchun University of Science and Technology | Sun X.-Y.,Changchun University | Zhang G.-Y.,Changchun University of Science and Technology | Zhang G.-Y.,Key Laboratory of Optoelectronic Measuring controlling and Optical Information Transmitting | And 3 more authors.
Guangdian Gongcheng/Opto-Electronic Engineering | Year: 2010

As professional equipment for calibration of space-location vision camera, the static target simulator supplies exact simulated targets in special work environment. The precision of target decides calibration level as a key part of target simulator. The mathematic model of deformed target is built based on special working conditions, and score of deformation h is determined that can meet required precision through analysis of two points position precision Δδij and geometrical relationship between Δδij and h. For final optimum values, by applying Ansys, the target structure is further optimized with h as one of optimized parameters. The correctness of design is proved by reconstructed target with a result that the optimized parameters h=5.5 urn is smaller than theoretical value 14μm.

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