NDLI: Active LOS Stabilization of Pan-Tilt Motion Control System Using an Adaptive Notch Filtering Based on Gyro Sensing and FFT Analysis

Content Provider	IEEE Xplore Digital Library
Author	Byeong-Hak Kim Min Young Kim
Copyright Year	2014
Description	Author affiliation: Sch. of Electron. Eng., Kyungpook Nat. Univ., Daegu, South Korea (Byeong-Hak Kim; Min Young Kim)
Abstract	In opto-mechatronic systems using electric signals to drive motion control systems integrated with optical components, the driving signal may include the unwanted frequency band, such as resonant frequencies and noise frequencies. It can affect the accuracy and the repeatability of final opto-mechatronic system, and finally results into serious damage to the system due to resonance phenomenon of the mechatronic system. LOS (Line Of Sight) control unit is used to automatically rotate gimbal system with surveillance video imaging system, generally mounted on modern aerial vehicles. It still suffers from the natural frequency variation problem due to variations of operational temperature. To solve this problem, this paper proposes an adaptive notch filtering technique based on real-time noise analysis and variable notch-filtering for stabilized LOS control system. The details of design procedures of the proposed filtering technique and the experiments for the performance verification are described in this paper. Results verify how our proposed method maintains the LOS stabilization performance.
Starting Page	61
Ending Page	65
File Size	423718
Page Count	5
File Format	PDF
ISBN	9781467367523
DOI	10.1109/ISOT.2014.23
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-11-05
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Temperature LOS control system Noise Noise reduction Resonant frequency Adaptive filters IIR filters Gyro sensing Adaptive filtering Control systems Real-tiem FFT analysis Frequency control
Content Type	Text
Resource Type	Article

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