Title :
Modeling and Simulation of Digital Closed-loop Fiber Optic Gyroscope
Author :
Han, Junliang ; Ge, Shengmin ; Shen, Yi ; Li, Xiangjun
Author_Institution :
Dept. of Control Sci. & Eng., Harbin Inst. of Technol.
Abstract :
Computer modeling and simulation are important for the researches and applications of the fiber optic gyroscope (FOG). In the paper, the dynamic model and stochastic model of digital closed-loop FOG are developed. With a number of reasonable approximations, the nonlinear dynamic model is simplified into a linear discrete dynamic model. The digital control algorithm in the closed-loop control is analyzed, and the dynamic simulation is conducted. In the stochastic modeling, different stochastic processes are built to simulate the various types of random gyro noise. A novel method is investigated to simulate 1/f noise with the orthogonal wavelet transform. The stochastic simulations are conducted and the effectiveness of the stochastic model is validated with Allan variance analysis
Keywords :
1/f noise; closed loop systems; digital control; discrete systems; fibre optic gyroscopes; linear systems; nonlinear dynamical systems; stochastic processes; 1/f noise; Allan variance analysis; closed-loop control; computer modeling; computer simulation; digital closed-loop fiber optic gyroscope; digital control algorithm; linear discrete dynamic model; nonlinear dynamic model; orthogonal wavelet transform; stochastic modeling; stochastic processes; stochastic simulation; Analytical models; Application software; Computational modeling; Computer simulation; Digital control; Gyroscopes; Optical computing; Optical fibers; Stochastic processes; Stochastic resonance; Allan variance; Fiber Optic Gyroscope; dynamic model; modelling; stochastic model;
Conference_Titel :
Intelligent Control and Automation, 2006. WCICA 2006. The Sixth World Congress on
Conference_Location :
Dalian
Print_ISBN :
1-4244-0332-4
DOI :
10.1109/WCICA.2006.1712634
