A Linear Least Square with Duffing Chaotic Detection Designed in Micro-Distance Movement Measurement System | Zendy

Xiao Lin | Zendy; Yaping Dai | Zendy; Linhui Zhao | Zendy

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A Linear Least Square with Duffing Chaotic Detection Designed in Micro-Distance Movement Measurement System

Author(s) -

Xiao Lin,

Yaping Dai,

Linhui Zhao

Publication year - 2016

Publication title -

journal of advanced computational intelligence and intelligent informatics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.172

H-Index - 20

eISSN - 1343-0130

pISSN - 1883-8014

DOI - 10.20965/jaciii.2016.p0287

Subject(s) - computer science , amplifier , lock (firearm) , chaotic , realization (probability) , displacement (psychology) , strain gauge , lock in amplifier , control theory (sociology) , simulation , acoustics , artificial intelligence , mathematics , structural engineering , physics , telecommunications , statistics , bandwidth (computing) , psychology , control (management) , engineering , psychotherapist

High precision micro displacement measurement framework is fundamental for drilling strain gauges. We replaced the traditional lock-in amplifier method by the linear least square (LLS) based on Duffing chaotic detection (DCD) in drilling strain gauges. Simulation results showed that LLS based on DCD has a relative error 7.7% when SNR = −20.79 dB. It is 410.1% lower than lock-in amplifier method in the detection. Even more, the design and realization of LLS based on DCD is easier than lock-in amplifier method.

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