Study of fuzzy adaptive PID controller on thermal frequency stabilizing laser with double longitudinal modes

Qingkai Mo; Tao Zhang; Yining Yan

doi:10.1117/12.2244590

19 October 2016 Study of fuzzy adaptive PID controller on thermal frequency stabilizing laser with double longitudinal modes

Qingkai Mo, Tao Zhang, Yining Yan

Author Affiliations +

Proceedings Volume 10153, Advanced Laser Manufacturing Technology; 101530D (2016) https://doi.org/10.1117/12.2244590
Event: International Symposium on Optoelectronic Technology and Application 2016, 2016, Beijing, China

Abstract

There are contradictions among speediness, anti-disturbance performance, and steady-state accuracy caused by traditional PID controller in the existing light source systems of thermal frequency stabilizing laser with double longitudinal modes. In this paper, a new kind of fuzzy adaptive PID controller was designed by combining fuzzy PID control technology and expert system to make frequency stabilizing system obtain the optimal performance. The experiments show that the frequency stability of the designed PID controller is similar to the existing PID controller (the magnitude of frequency stability is less than 10^-9 in constant temperature and 10^-7 in open air). But the preheating time is shortened obviously (from 10 minutes to 5 minutes) and the anti-disturbance capability is improved significantly (the recovery time needed after strong interference is reduced from 1 minute to 10 seconds).

Citation Download Citation

Qingkai Mo, Tao Zhang, and Yining Yan "Study of fuzzy adaptive PID controller on thermal frequency stabilizing laser with double longitudinal modes", Proc. SPIE 10153, Advanced Laser Manufacturing Technology, 101530D (19 October 2016); https://doi.org/10.1117/12.2244590

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