Two-Dimensional Laser Detection Front End Circuit and Algorithm

Abstract:

This paper describes the design of a two-dimensional photoelectric detector, in which silicon photovoltaic cells are used as photoelectric receiver, and laser signal is converted into electrical signals. The weak electrical signals can be amplified by the high power low noise with variable magnification amplifier controlled by single-chip microcontroller PIC. Then using the variable attenuator MAX521 complete selectable attenuation for the analog signal. The detector is able to adapt for high-precision detection of the laser light source in the case of changes in the strength of the near and far distances and light. The practicality and detection performance of the receiver can be ensured. This two-dimensional photoelectric detector is particularly applicable to the construction site where are special requirements for some installation accuracy, which can be a good solution to the problem of excessive error of the traditional installation process.

• Periodical: Advanced Materials Research (Volume 748)
• Pages: 549-554
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.748.549
• Online since: August 2013
• Authors: Can Hua Xing, De Xiang Zhang, Tao Zhao
• Keywords: Algorithm (GA), Front End Circuit, Laser, Photovoltaic Cells

References

[1] Wang Fadeng, Gao Chumlei, Two-dimensional laser tracking system tamping machine [J], Railway Construction 2009(1): 86-88

[2] Xing Canhua, Zhang Dexiang, Railroad tracks flatness laser detector design [J] Geodesy and Geodynamics 2012 (6): 160-163

[3] Zhao Tao, Zhou Bing, etc. Design of solar cells automatic tracking controller based CAN bus [J], the production industry automatically, 2012,34 (14) :105-108

[4] Xia Jiangtao, Xiao Shaorong, Two-dimensional plane photoelectric tracking targeting system design [J] MISSILES AND GUIDANCE, 2009,29 (5): 200-203

[5] Active Low-Pass Filter Design [G] Application Report，SLOA049A - October 2000 Texas Instrument.