Results 121 to 130 of about 24,564,249 (381)

Nonlinear Modeling for Distortion Analysis in Silicon Bulk-Mode Ring Resonators

open access: yesMicromachines, 2012
A distributed modeling approach has been developed to describe the dynamic behavior of ring resonators. The model includes the effect of large amplitudes around primary resonance frequencies, material and electrostatic nonlinearities.
Farshad Babazadeh   +2 more
doaj   +1 more source

A Perspective on Powder Metallurgy and Additive Manufacturing of High‐Nitrogen Alloyed Stainless Steels

open access: yesAdvanced Engineering Materials, EarlyView.
This perspective article explores an innovative powder metallurgical approach to producing high‐nitrogen steels by utilizing a mixture of stainless steel and Si3N4. This mixture undergoes hot isostatic pressing followed by direct quenching. The article also examines adapting this method to laser powder bed fusion (PBF‐LB/M) to overcome nitrogen ...
Louis Becker   +5 more
wiley   +1 more source

Observer for Nonlinear Systems with Time-Varying Delays: Application to a Two-Degrees-of-Freedom Helicopter

open access: yesAerospace
This paper deals with the problem of the estimation of non-uniformly nonlinear systems with time-varying delays in the state and input. In addition, the problem of the sampled output measurement is also been addressed.
Omar Hernández-González   +6 more
doaj   +1 more source

Some new results on iterative learning control of noninteger order [PDF]

open access: yesScientific Technical Review, 2014
Iterative learning control (ILC) is one of the recent topics in control theories and it is a powerful control concept that iteratively improves the behavior of processes repetitive in their nature.
Lazarević Mihailo
doaj  

On Exact Multidimensional Solutions of a Nonlinear System of First Order Partial Differential Equations

open access: yesИзвестия Иркутского государственного университета: Серия "Математика", 2019
This study is concerned with a system of two nonlinear first order partial differential equations. The right-hand sides of the system contain the squares of the gradients of the unknown functions.
A.A. Kosov   +2 more
doaj   +1 more source

Identification of nonlinear state-space systems using zero-input responses [PDF]

open access: yes, 2004
This paper studies the generalization of linear subspace identification techniques to nonlinear systems. The basic idea is to combine nonlinear minimal realization techniques based on the Hankel operator with embedding theory used in time-series modeling.
Scherpen, Jacquelien,, Verdult, Vincent,
core   +1 more source

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