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A piezoelectric beam model with geometric, material and damping nonlinearities for energy harvesting
(IOP Publishing, 2020-09-10)
To predict electrical generation in piezoelectric small-scale beam energy harvesting devices, it is important to have a complete mathematical model that captures the different associated phenomena. In the literature, some ...
Polar decomposition under perturbations of the scalar product
(Int Linear Algebra Soc, 2000-01)
Let A be a unital C*-algebra with involution * represented in a Hilbert space H, G the group of invertible elements of A, U the unitary group of A, G^s the set of invertible selfadjoint elements of A, Q= ξ ∈ G : ξ ^2 = 1 ...
Experimental comparison of control strategies for trajectory tracking for mobile robots
(Inderscience Enterprises, 2016-03)
The purpose of this paper is to implement, test and compare the performance of different control strategies for tracking trajectory for mobile robots. The control strategies used are based on linear algebra, PID controller ...
Additive Uncertainty Consideration for Nonlinear and Multivariable Bioprocess Control
(Institute of Electrical and Electronics Engineers, 2021-05-07)
Biological processes are becoming more frequent nowadays due to the wide variety of products obtained from them and their possibility of making environmentally friendly some processes while high standard products are ...
A Numerical Approximation-Based Controller for Mobile Robots with Velocity Limitation
(Chinese Automatic Control Society, 2017-11)
In this paper the problem of trajectory tracking considers that the values of the control actions do not exceed a maximum allowable value and the zero convergence of tracking errors is demonstrated. The control law is based ...
Álgebra Lineal y Geometría Analítica en carreras de Ingeniería: reporte de investigacionesLinear Algebra and Analytic Geometry in Engineering Education: research reports
(Universidad del País Vasco, 2021-03)
En este trabajo se analizan 168 investigaciones sobre Álgebra Lineal (AL) y Geometría Analítica (GA) en la universidad, con el objetivo de conocer si éstas abordan el fenómeno de la escisión entre estos conocimientos e ...
Nonlinear Controller for Trajectory Tracking of a Continuous Stirred Tank Reactor
(Romanian Society of Control Engineering and Technical Informatics, 2017-07)
This work presents a linear algebra based methodology for trajectory tracking of outputvariables in a Continuous Stirred Tank Reactor (CSTR), which exhibits a highly nonlinear dynamics. Itsmain advantage is that the condition ...
State estimation and trajectory tracking control for a nonlinear and multivariable bioethanol production system
(Brazilian Society of Chemical Engineering, 2019-03)
In this paper a controller is proposed based on linear algebra for a fed-batch bioethanol production process. It involves fnding feed rate profles (control actions obtained as a solution of a linear equations system) in ...
Covering functors without groups
(Academic Press Inc Elsevier Science, 2009-06)
Coverings in the representation theory of algebras were introduced for the Auslander-Reiten quiver of a representation-finite algebra in [Ch. Riedtmann, Algebren, Darstellungsköcher, Überlagerungen und zurüch, Comment. ...
Linear algebra and optimization based controller design for trajectory tracking of typical chemical process
(Planta Piloto de Ingeniería Química, 2014-12)
This paper presents a new controller design to tracking trajectory of a typical chemical process. The plant model is represented by numerical methods and, from this approach, the control actions for an optimal operation ...