Multi‐Degree‐of‐Freedom Robots Powered and Controlled by Microwaves
Sign Up to like & getrecommendations! Published in 2022 at "Advanced Science"
DOI: 10.1002/advs.202203305
Abstract: Microwaves have become a promising wireless driving strategy due to the advantages of transmissivity through obstacles, fast energy targeting, and selective heating. Although there are some studies on microwave powered artificial muscles based on different… read more here.
Keywords: freedom robots; degree freedom; robots powered; parallel robot ... See more keywords
Vibratory control of a linear system by addition of a chain of nonlinear oscillators
Sign Up to like & getrecommendations! Published in 2017 at "Acta Mechanica"
DOI: 10.1007/s00707-017-1867-7
Abstract: An N-degree-of-freedom model consisting of a single-degree-of-freedom linear system coupled to a chain of $$(N-1)$$(N-1) light nonlinear oscillators is studied. The connection between the chain and the single-degree-of-freedom system is supposed to be linear. Time… read more here.
Keywords: linear system; chain; system; nonlinear oscillators ... See more keywords
Forecasting bifurcations of multi-degree-of-freedom nonlinear systems with parametric resonance
Sign Up to like & getrecommendations! Published in 2018 at "Nonlinear Dynamics"
DOI: 10.1007/s11071-017-3996-x
Abstract: The location of bifurcation points and bifurcation diagrams is important for the understanding of a nonlinear system with parametric resonance. This paper presents a model-less method to predict bifurcations of slightly damped multi-degree-of-freedom nonlinear systems… read more here.
Keywords: freedom nonlinear; multi degree; parametric resonance; degree freedom ... See more keywords
Software modeling of multi-degree-of-freedom motion system using matrices
Sign Up to like & getrecommendations! Published in 2017 at "Journal of the Brazilian Society of Mechanical Sciences and Engineering"
DOI: 10.1007/s40430-017-0745-5
Abstract: This paper presents the results of the research of multi-degree-of-freedom robot motion with multiple degrees of freedom by using a mechanical model of transformation of the matrix that can be used in solving the kinematics… read more here.
Keywords: motion; system; movement; multi degree ... See more keywords
Design of a two-degree-of-freedom controller for nuclear reactor power control of pressurized water reactor
Sign Up to like & getrecommendations! Published in 2020 at "Annals of Nuclear Energy"
DOI: 10.1016/j.anucene.2020.107583
Abstract: Abstract The objective of this investigation is to design a two-degree-of-freedom controller for the nuclear reactor power control system that provides good control performance in the power range between 10 and 100 percent of rated… read more here.
Keywords: control; power; controller; degree freedom ... See more keywords
Dynamic modeling and two-degree-of-freedom controller design for pressurized water reactor core
Sign Up to like & getrecommendations! Published in 2021 at "Annals of Nuclear Energy"
DOI: 10.1016/j.anucene.2020.108043
Abstract: Abstract The task of this investigation is to model pressurized water reactor core and design a reactor power controller that has a strong robustness in various operating conditions. The comparisons of different nodal models of… read more here.
Keywords: two degree; freedom controller; controller; reactor core ... See more keywords
Research on multi-band structural noise reduction of vehicle body based on two-degree-of-freedom locally resonant phononic crystal
Sign Up to like & getrecommendations! Published in 2021 at "Applied Acoustics"
DOI: 10.1016/j.apacoust.2021.108073
Abstract: Abstract First, the dispersion curve of a two-degree-of-freedom locally resonant phononic crystal (LRPC) is calculated by the plane wave expansion method. The result shows that the structure has the characteristics of double bandgaps in the… read more here.
Keywords: two degree; freedom locally; resonant phononic; locally resonant ... See more keywords
Robust fuzzy linear quadratic regulator control optimized by multi-objective high exploration particle swarm optimization for a 4 degree-of-freedom quadrotor
Sign Up to like & getrecommendations! Published in 2020 at "Aerospace Science and Technology"
DOI: 10.1016/j.ast.2019.105598
Abstract: Abstract In this article, a robust fuzzy controller based on the Linear Quadratic Regulator (LQR) method is presented and optimized by Multi-Objective High Exploration Particle Swarm Optimization (MOHEPSO) for a nonlinear 4 Degree-Of-Freedom (DOF) quadrotor.… read more here.
Keywords: freedom; linear quadratic; optimized multi; degree freedom ... See more keywords
Challenge of advanced low temperature fuel cells based on high degree of freedom of group 4 and 5 metal oxides
Sign Up to like & getrecommendations! Published in 2020 at "Current Opinion in Electrochemistry"
DOI: 10.1016/j.coelec.2020.03.005
Abstract: Abstract To obtain an ideal electrocatalysts for hydrogen fuel cells, we investigated group 4 and 5 oxide-based compounds because of their high degree of freedom. First-principles calculations revealed that oxide surfaces such as those of… read more here.
Keywords: fuel cells; degree freedom; group; high degree ... See more keywords
Validation of Control Laws at High Angles of Attack Using Three-Degree-of-Freedom Dynamic Rig in Wind Tunnel
Sign Up to like & getrecommendations! Published in 2019 at "IFAC-PapersOnLine"
DOI: 10.1016/j.ifacol.2019.11.297
Abstract: Abstract The paper presents a technique for cost-effective and safe study of conventional and critical flight regimes and control validation using an autonomous dynamically scaled aircraft model mounted in a three-degree-of-freedom gimbal in a wind… read more here.
Keywords: wind tunnel; three degree; control; high angles ... See more keywords
Fractional Order (FO) Two Degree of Freedom (2-DOF) control of Linear Time Invariant (LTI) plants.
Sign Up to like & getrecommendations! Published in 2019 at "ISA transactions"
DOI: 10.1016/j.isatra.2019.05.024
Abstract: The dynamics of Fractional Order (FO) System have recently attracted substantial attention in the field of control. Taking note of this, the Fractional Order (FO) controllers provides additional flexibility in the design by virtue of… read more here.
Keywords: freedom; order; control; dof degree ... See more keywords