应用光学, 2017, 38 (5): 826, 网络出版: 2017-10-12   

激光三角法中工作角对系统灵敏度的影响

Effect of working angle on system sensitivity in laser triangulation
作者单位
内蒙古工业大学 机械学院,内蒙古 呼和浩特 010051
摘要
通过推导激光三角测量系统的灵敏度公式,分析了光学结构参数对系统灵敏度的影响,主要包括被测表面起伏量、成像系统的放大倍率与工作角。建立表面粗糙度的激光三角测量系统,重点针对工作角对灵敏度的影响关系进行实验研究。结果显示,较大的工作角能够获得更高的系统灵敏度。但是当工作角较大时,需考虑工作角与系统放大倍率对灵敏度的综合影响,并保证光接收器上的光强大于其灵敏度。对于文中采用的测量系统,最高的系统灵敏度所对应的工作角约为70°左右。
Abstract
Through analyzing sensitivity formula of laser triangulation measuring system, effect of optical structure parameters on system sensitivity is analyzed, which mainly include measured surface fluctuation, magnification of imaging system and working angle as well. Additionally, laser triangulation system of surface roughness is established, and influence of working angle on sensitivity is experimentally studied. Results show that larger working angle can achieve higher system sensitivity. However, when working angle is large, it needs to consider optical magnification and working angle on sensitivity of integrated influence and ensure that intensity of light receiver is greater than its sensitivity. For measuring system used in this paper, working angle corresponding to highest sensitivity equals to about 70°.
参考文献

[1] 胡庆英.激光三角法及其在几何测量中的应用[J].宇航计测技术,1996(2): 10-14.

    Hu Qingying. Application of laser triangulation in geometry measurement[J].Practical Measurement Technology,1996(2): 10-14.

[2] 刘维,韩旭东,艾华.激光三角法在位移测量中的应用[J].光学精密工程,2004,12(4): 104-107.

    Liu Weil,Han Xudong,Ai Hua.Application of laser triangulation in displacement measurement[J].Optics and Precision Engineering, 2004,12(4):104-107.

[3] 王晓嘉,高隽,王磊.激光三角法综述[J].仪器仪表学报,2004,25(4): 602-604.

    Wang Xiaojia, Gao Jun, Wang Lei. Survey on the triangulation[J]. Chinese Journal of Science Instrument, 2004, 25(4): 602-604.

[4] 邢冀川,罗小红.利用激光三角法测量货车车厢体积[J].红外与激光工程,2012,41(11): 3084-3087.

    Xing Jichuan, Luo Xiaohong. Measurement of truck carriage volume with laser triangulation[J]. Infrared and Laser Engineering, 2012,41(11):3084-3087.

[5] 杨贵栓,陈涛,张志峰.基于激光三角法对透明平板厚度测量光线补偿的研究及应用[J].中国激光,2015,42(7):1-3.

    Yang Guishuan, Chen Tao, Zhang Zhifeng. Study and application on transparent plate thickness measurement based on laser Ttriangulation with light compensation [J].Chinese Journal of Lasers, 2015, 42(7):1-3.

[6] 冯俊艳,冯其波,匡萃方.高精度激光三角位移传感器的技术现状[J].应用光学,2004,25(3): 33-36.

    Feng Junyan,Feng Qibo,Kuang Cuifang.Present status of high precision laser displacement sensor based on triangulation[J].Journal of Applied Optics,2004,25(3):33-36.

[7] 钱晓凡,吕晓旭,钟丽云,等.提高激光三角法测量精度的新方法[J].激光杂志,2000,21(3): 54-55.

    Qian Xiaofan, Lv Xiaoxu, Zhong Liyun, et al. A novel method for improving measuring accuracy in laser triangle method[J].Laser Journal, 2000,21(3):54-55.

[8] 李东东,王永强,许增朴,等.激光三角法在物体倾斜时的测量误差研究[J].传感器与微系统,2015,34(2): 28-36.

    Li Dongdong, Wang Yongqiang, Xu Zengpu,et al.Research on measurement error while workpiece surface is inclining by laser triangulation[J].Transducer and Microsystem Technologies, 2015,34(2):28-36.

[9] 何凯,陈星,王建新,等.高精度激光三角位移测量系统误差分析[J] .光学与光电技术,2013,11(3): 67-71.

    He Kai, Chen Xing, Wang Jianxin, et al. Analysis of error in high precision laser triangulation displacement measurement system[J].Optics & Optoelectronic Technology, 2013,11(3):67-71.

[10] 褚俊,李顶根,罗锋,等.激光三角法位移测量中光强度的模糊自适应控制[J] .红外与激光工程,2013,42(6): 1459-1462.

    Chu Jun, Li Dinggen, Luo Feng, et al. Fuzzy adaptive control of light intensity in laser triangulation displacement measurement[J].Infrared and Laser Engineering,2013,42(6):1459-1462.

[11] 周兴敏,刘恒彪,葛剑敏.激光三角测量中物面反射光斑重心偏移的修正[J] .光学学报,2015,35(5): 1-5.

    Zhou Xingmin, Liu Hengbiao, Ge Jianmin. Reflected spot center offset correction in laser triangulation measurement[J]. Acta Optica Sinica, 2015,35(5):1-5.

[12] 戴立铭,江憧君.激光三角测量传感器的精密位移测量[J].仪器仪表学报,1994,15(4): 400-404.

    Dai Liming, Jiang Tongjun.The laser triangulation measuring sensor for accurate displacement measurement[J]. Chinese Jounal of Scientific Instrument, 1994,15(4): 400-404.

[13] 卢晋人,黄元庆.激光三角法测量表面形貌[J].厦门大学学报:自然科学版,2004,43(1): 50-53.

    Lu Jinren, Huang Yuanqing. Laser triangulation method for surface measurement[J]. Journal of Xiamen University:Natural Science, 2004,43(1):50-53.

白福忠, 张小艳, 刘珍, 高晓娟, 王颖. 激光三角法中工作角对系统灵敏度的影响[J]. 应用光学, 2017, 38(5): 826. Bai Fuzhong, Zhang Xiaoyan, Liu Zhen, Gao Xiaojuan, Wang Ying. Effect of working angle on system sensitivity in laser triangulation[J]. Journal of Applied Optics, 2017, 38(5): 826.

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