Input–output‐driven gain‐adaptive iterative learning control for linear discrete‐time‐invariant systems
Sign Up to like & getrecommendations! Published in 2021 at "International Journal of Robust and Nonlinear Control"
DOI: 10.1002/rnc.5753
Abstract: For a class of linear discrete‐time‐invariant systems repetitively operated in a finite time length, an iterative correction algorithm is exploited to identify the system Markov parameters with multi‐operation inputs and outputs in obeying a criterion,… read more here.
Keywords: markov parameters; time; control; linear discrete ... See more keywords
Solution methods for linear discrete ill-posed problems for color image restoration
Sign Up to like & getrecommendations! Published in 2018 at "BIT Numerical Mathematics"
DOI: 10.1007/s10543-018-0706-0
Abstract: This work discusses four algorithms for the solution of linear discrete ill-posed problems with several right-hand side vectors. These algorithms can be applied, for instance, to multi-channel image restoration when the image degradation model is… read more here.
Keywords: image; linear discrete; ill posed; posed problems ... See more keywords
On Dimensions of Linear Discrete Dimension-unbounded Systems
Sign Up to like & getrecommendations! Published in 2020 at "International Journal of Control, Automation and Systems"
DOI: 10.1007/s12555-019-0147-9
Abstract: This letter investigates the variance of state dimensions of linear discrete dimension-unbounded systems, which are a class of cross-dimensional systems. First, the dimensional relationship of states, initial values and system matrices of some special cases… read more here.
Keywords: linear discrete; discrete dimension; unbounded systems; dimensions linear ... See more keywords
Linear discrete breather in fcc metals
Sign Up to like & getrecommendations! Published in 2019 at "Computational Materials Science"
DOI: 10.1016/j.commatsci.2019.01.014
Abstract: Abstract Nonlinear vibrational mode localized in two spatial dimensions and delocalized in the third dimension is studied for the first time in defect-free single crystals of fcc metals (Al, Cu and Ni) using molecular-dynamics methods.… read more here.
Keywords: discrete breather; chain; linear discrete; fcc metals ... See more keywords
Robust performance analysis of linear discrete-time systems in presence of colored noise
Sign Up to like & getrecommendations! Published in 2018 at "European Journal of Control"
DOI: 10.1016/j.ejcon.2018.03.003
Abstract: Abstract In this paper, linear discrete-time time-invariant (LDTI) normal and descriptor systems with norm-bounded parametric uncertainties are under consideration. The input signal is supposed to be a “colored” noise with bounded known mean anisotropy level… read more here.
Keywords: performance analysis; linear discrete; robust performance; colored noise ... See more keywords
Closed Form Expressions of Linear Discrete Time System Responses
Sign Up to like & getrecommendations! Published in 2017 at "IFAC-PapersOnLine"
DOI: 10.1016/j.ifacol.2017.08.919
Abstract: Abstract Previously published closed form expressions of linear discrete time responses are generalized and presented with new proofs. They are based on backward difference formulation, shown to offer some important simplifications and closer analogy with… read more here.
Keywords: linear discrete; expressions linear; discrete time; time ... See more keywords
Asymptotic stability of nonlinear hybrid stochastic systems driven by linear discrete time noises
Sign Up to like & getrecommendations! Published in 2019 at "Nonlinear Analysis: Hybrid Systems"
DOI: 10.1016/j.nahs.2019.03.008
Abstract: Abstract Author in the reference Mao (2016) designed a linear discrete time noise to exponentially stabilize an unstable differential system with the global Lipschitz condition, which essentially opened a new field of stochastic systems driven… read more here.
Keywords: discrete time; linear discrete; systems driven; time noises ... See more keywords
Strict proof for the state transition matrix of linear discrete time‐varying stochastic systems
Sign Up to like & getrecommendations! Published in 2020 at "Iet Control Theory and Applications"
DOI: 10.1049/iet-cta.2019.0510
Abstract: This note presents a strict proof for the state transition matrix of linear discrete time-varying stochastic systems, which corrects the errors of the previous references. read more here.
Keywords: linear discrete; matrix linear; strict proof; transition matrix ... See more keywords
New LMI conditions for H ∞/H 2 output feedback control of linear discrete-time systems
Sign Up to like & getrecommendations! Published in 2021 at "International Journal of Control"
DOI: 10.1080/00207179.2019.1665712
Abstract: ABSTRACT This paper addresses the design of static output feedback controller for linear discrete-time systems. New sufficient criteria are derived for designing and controllers. The corresponding design criteria are presented in the form of Linear… read more here.
Keywords: output feedback; time systems; discrete time; linear discrete ... See more keywords
The low rank approximations and Ritz values in LSQR for linear discrete ill-posed problem
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DOI: 10.1088/1361-6420/ab6f42
Abstract: LSQR and its mathematically equivalent CGLS have been popularly used over the decades for large-scale linear discrete ill-posed problems, where the iteration number $k$ plays the role of the regularization parameter. It has been long… read more here.
Keywords: linear discrete; ritz values; ill posed; rank approximations ... See more keywords
Regularization properties of LSQR for linear discrete ill-posed problems in the multiple singular value case and best, near best and general low rank approximations
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DOI: 10.1088/1361-6420/ab9c45
Abstract: For the large-scale linear discrete ill-posed problem $\min\|Ax-b\|$ or $Ax=b$ with $b$ contaminated by white noise, the Golub-Kahan bidiagonalization based LSQR method and its mathematically equivalent CGLS, the Conjugate Gradient (CG) method applied to $A^TAx=A^Tb$,… read more here.
Keywords: linear discrete; rank approximations; ill posed; discrete ill ... See more keywords