Results 21 to 30 of about 6,461,261 (322)

Eigenvalues assignment in uncontrollable linear systems [PDF]

open access: yesBulletin of the Polish Academy of Sciences: Technical Sciences, 2022
It is shown that in uncontrollable linear system ẋ = Ax + Bu it is possible to assign arbitrarily the eigenvalues of the closed-loop system with state feedbacks u = Kx, K ∈ ℜn⨉m if rank [A B] = n. The design procedure consists in two steps. In the step 1
Tadeusz Kaczorek
doaj   +1 more source

Effects of non-Gaussian random excitation on displacement and velocity responses of a linear system by using bispectrum and cross-bispectrum

open access: yesNihon Kikai Gakkai ronbunshu, 2022
We consider a linear system under non-Gaussian random excitation modeled by the Cai and Lin’s model and investigate the effects of the non-Gaussianity of the excitation on the displacement and velocity responses based on the bispectrum and cross ...
Daizoh ITOH, Takahiro TSUCHIDA
doaj   +1 more source

Nonlinear modelling and optimal control via Takagi-Sugeno fuzzy techniques: A quadrotor stabilization [PDF]

open access: yes, 2020
Using the principles of Takagi-Sugeno fuzzy modelling allows the integration of flexible fuzzy approaches and rigorous mathematical tools of linear system theory into one common framework.
Dočekal, Tomáš   +2 more
core   +1 more source

Further results on stability analysis of time-varying delay systems via novel integral inequalities and improved Lyapunov-Krasovskii functionals

open access: yesAIMS Mathematics, 2022
This work develops some novel approaches to investigate the stability analysis issue of linear systems with time-varying delays. Compared with the existing results, we give three innovation points which can lead to less conservative stability results ...
Xingyue Liu, Kaibo Shi
doaj   +1 more source

Internal model control of valve-controlled asymmetric cylinder system based on sectional neural network inverse system

open access: yesThe Journal of Engineering, 2020
In order to improve the control performance of the valve-controlled asymmetric cylinder system with negative overlap, it is proposed that the complex nonlinear system is transformed into a linear system based on the neural network inverse system.
Le Zeng   +3 more
doaj   +1 more source

Optimal transport over a linear dynamical system [PDF]

open access: yes, 2017
We consider the problem of steering an initial probability density for the state vector of a linear system to a final one, in finite time, using minimum energy control.
Chen, Yongxin   +2 more
core   +1 more source

Task Space Position Control of Slider-Crank Mechanisms Using Simple Tuning Techniques Without Linearization Methods

open access: yesIEEE Access, 2020
In this work, a position control in task space for slider-crank mechanisms is presented. In order to apply linear controllers it is required to linearize the mechanism dynamics at an equilibrium point.
Adolfo Perrusquia   +3 more
doaj   +1 more source

Optimal Design of Tuned Mass-Damper-Inerter for Structure with Uncertain-but-Bounded Parameter

open access: yesBuildings, 2022
In this study we focus on the H∞ optimization of a tuned mass damper inerter (TMDI), which is implemented on an harmonically forced structure of a single degree of freedom in the presence of stiffness uncertainty. Posed as a min-max optimization problem,
Shaoyi Zhou   +5 more
doaj   +1 more source

Linear Haskell: practical linearity in a higher-order polymorphic language [PDF]

open access: yes, 2017
Linear type systems have a long and storied history, but not a clear path forward to integrate with existing languages such as OCaml or Haskell. In this paper, we study a linear type system designed with two crucial properties in mind: backwards ...
Bernardy, Jean-Philippe   +4 more
core   +3 more sources

Developing a New Storage Format and a Warp-Based SpMV Kernel for Configuration Interaction Sparse Matrices on the GPU

open access: yesComputation, 2018
Sparse matrix-vector multiplication (SpMV) can be used to solve diverse-scaled linear systems and eigenvalue problems that exist in numerous, and varying scientific applications.
Mohammed Mahmoud   +2 more
doaj   +1 more source

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