高速摄影同步触发光源系统设计及应用

梁海坚; 邓军; 王高; 焦宁; 李仰军; 郭亚飞

doi:10.7510/jgjs.issn.1001-3806.2016.03.006

高速摄影同步触发光源系统设计及应用

1.
中北大学电子测试技术国家重点实验室, 太原 030051;
2.
中北大学仪器科学与动态测试教育部重点实验室, 太原 030051;
3.
中国兵器工业第二〇八研究所, 北京 102202

作者简介: 梁海坚(1992-),男,硕士研究生,主要研究方向为光纤通信、光电传感器。.

通讯作者: 王高, 917978149@qq.com ;

中图分类号: TN29

Design and application of synchronous trigger light sources for high-speed photography

1.
National Key Laboratory for Electronic Measurement Technology, North University of China, Taiyuan 030051, China;
2.
Key Laboratory of Instrumentation Science & Dynamic Measurement of Ministry of Educations, North University of China, Taiyuan 030051, China;
3.
No. 208 Research Institute, China Ordnance Industries, Beijing 102202, China

Corresponding author: WANG Gao, 917978149@qq.com ;

CLC number: TN29

摘要: 为了解决高速摄影中由于时间短、同步难和照度低导致拍摄不到弹丸的问题,设计了一种同步触发光源系统。该系统以高亮度发光二极管(LED)阵列为光源,采用现场可编程门阵列进行控制。使用MATLAB软件对LED阵列进行仿真后可知,在距光源1m的中心位置上,该阵列光源的最大光照度可以达到9104Lux。实验中,实验弹出膛时启动相机拍摄,同时输出触发电平同步触发光源系统。结果表明,当实验弹的装药量为0.15g、相机帧频为5000frame/s时,经估算出膛速率大约为100m/s,并且同步触发光源有效地提高了照度和补充光照的同步程度。此研究对提高弹丸测试技术是有帮助的。
- 光电子学 /
- 光源 /
- 高速摄影 /
- 发光二极管阵列 /
- 照度 /
- 同步触发
Abstract: In order to solve the missing projectile under high-speed photography which caused by short time, harder synchrotron and low-light-level, a synchronous trigger light source system was designed. A high brightness light-emitting didoe(LED) array controlled by the field-programmable gate array was used as light source. The simulation of LED array by MATLAB software shows that the maximum intensity of the light source array can reach 9104 Lux one meter away from the center position of light source. In the experiment, the camera is triggered when the projectile leaves the muzzle. At the same time, the camera outputs a synchronous trigger signal to trigger the lighting system. The results show that, the bullet charge is 0.15g and the camera frame rate is 5000frame/s. Collide speed is about 100m/s. Experiment results demonstrate that the synchronous trigger system has an effective improvement of the illumination intensity and the degree of synchronization. This study is helpful to improve the projectile testing technology.
- optoelectronics /
- light source /
- high-speed photography /
- light-emitting diode array /
- illumination /
- synchronous trigger

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高速摄影同步触发光源系统设计及应用

作者简介: 梁海坚(1992-),男,硕士研究生,主要研究方向为光纤通信、光电传感器。.

通讯作者: 王高, 917978149@qq.com ;

Design and application of synchronous trigger light sources for high-speed photography

Corresponding author: WANG Gao, 917978149@qq.com ;

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高速摄影同步触发光源系统设计及应用

通讯作者: 王高, 917978149@qq.com;

作者简介: 梁海坚(1992-),男,硕士研究生,主要研究方向为光纤通信、光电传感器。

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Design and application of synchronous trigger light sources for high-speed photography

Corresponding author: WANG Gao, 917978149@qq.com

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高速摄影同步触发光源系统设计及应用

作者简介: 梁海坚(1992-),男,硕士研究生,主要研究方向为光纤通信、光电传感器。.

通讯作者: 王高, 917978149@qq.com ;

Design and application of synchronous trigger light sources for high-speed photography

Corresponding author: WANG Gao, 917978149@qq.com ;

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高速摄影同步触发光源系统设计及应用

通讯作者: 王高, 917978149@qq.com;

作者简介: 梁海坚(1992-),男,硕士研究生,主要研究方向为光纤通信、光电传感器。

English Abstract

Design and application of synchronous trigger light sources for high-speed photography

Corresponding author: WANG Gao, 917978149@qq.com

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