Bayesian Filters for Parameter Identification of Duffing Oscillator
Sign Up to like & getrecommendations! Published in 2018 at "IFAC-PapersOnLine"
DOI: 10.1016/j.ifacol.2018.05.068
Abstract: Abstract In this paper, a joint state and parameter estimation problem of Duffing oscillator is explored using Bayesian filters, where the parameter to be identified is considered as an additional state variable. From a variety… read more here.
Keywords: parameter identification; duffing oscillator; bayesian filters; filters parameter ... See more keywords
The saddle case of a nonsmooth Rayleigh–Duffing oscillator
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DOI: 10.1016/j.ijnonlinmec.2020.103657
Abstract: Abstract We consider a single degree freedom oscillator in order to accurately represent some modelling with ship roll damping. The proposed oscillator is a nonsmooth Rayleigh-Duffing equation x + a x + b x |… read more here.
Keywords: saddle case; duffing oscillator; oscillator; nonsmooth rayleigh ... See more keywords
Defect detection in pipe structures using stochastic resonance of Duffing oscillator and ultrasonic guided waves
Sign Up to like & getrecommendations! Published in 2020 at "International Journal of Pressure Vessels and Piping"
DOI: 10.1016/j.ijpvp.2020.104168
Abstract: Abstract Ultrasonic guided wave based non-destructive testing is an effective method to inspect defects in long-distance pipe structures. This paper proposes a novel defect detection approach for the pipes using stochastic resonance of Duffing oscillator… read more here.
Keywords: defect detection; detection; stochastic resonance; duffing oscillator ... See more keywords
Solution for nonlinear Duffing oscillator using variable order variable stepsize block method
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DOI: 10.11113/matematika.v33.n2.1015
Abstract: Real life phenomena found in various fields such as engineering, physics, biology and communication theory can be modeled as nonlinear higher order ordinary differential equations, particularly the Duffing oscillator. Analytical solutions for these differential equations… read more here.
Keywords: order; block; duffing oscillator; block method ... See more keywords
Response of Duffing Oscillator with Time Delay Subjected to Combined Harmonic and Random Excitations
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DOI: 10.1155/2017/4907520
Abstract: This paper aims to investigate the stationary probability density functions of the Duffing oscillator with time delay subjected to combined harmonic and white noise excitation by the method of stochastic averaging and equivalent linearization. By… read more here.
Keywords: oscillator time; time delay; time; duffing oscillator ... See more keywords
Analytical Approximant to a Quadratically Damped Forced Cubic-Quintic Duffing Oscillator
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DOI: 10.1155/2022/8125305
Abstract: The cubic-quintic Duffing oscillator of a system with strong quadratic damping and forcing is considered. We give elementary approximate analytical solution to this oscillator in terms of exponential and trigonometric functions. We compare the analytical… read more here.
Keywords: oscillator; cubic quintic; analytical approximant; quintic duffing ... See more keywords