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year 28, Issue 2 (ICOP & ICPET 2022 2022)
ICOP & ICPET _ INPC _ ICOFS 2022, 28(2): 68-72 |
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yazdani kahkeshi S, Saghafifar H, Mardanian Dehkordi H, Moosavi A. Design and construction of proportional-integral-derivative (PID) control circuit for using in adaptive optics system. ICOP & ICPET _ INPC _ ICOFS 2022; 28 (2) :68-72
URL: http://opsi.ir/article-1-2554-en.html
URL: http://opsi.ir/article-1-2554-en.html
Abstract: (1194 Views)
In this paper, In order to correct the laser wavefront propagated through the free space communication channel, the circuit of a control system with a maximum frequency of 150 Hz is designed and fabricated to correct the tip-tilt aberrations of the laser wavefront in turbulence with a tip-tilt mirror. Measured wavefront error by a quadrant sensor enters the analog-to-digital converter circuit and the PID algorithm after converting it to analog sends the calculated commands to the mirror driver. The performance of the control system in laboratory and free space environment is successfully evaluated.
Type of Study: Experimental |
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