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Fuzzy Logic and Control: Software and Hardware Applications, Volume 2 by Timothy J. Ross - University of New Mexico, Nader Vadiee, Mohammad Jamshidi

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7 A Fuzzy Two-Axis Mirror Controller For Laser Beam Alignment

Richard D. MarchbanksUniversity of New Mexico(Current address: Los Alamos National Laboratory, Los Alamos, NM 87545)

Fuzzy logic was used to control a two-axis mirror gimbal for aligning a laser beam using a quadrant detector. A PC based controller was configured with a simple rule set to control and stabilize the device. A comparison between a non-fuzzy proportional controller and the fuzzy controller was made. Experiments were performed to study the tracking characteristics and the effect of rule pruning on the fuzzy controller response.

7.1 Introduction

The use of fuzzy logic is rapidly becoming a popular method of solving problems that require a human-type response. Fuzzy logic ...

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