Results 21 to 30 of about 4,308,898 (228)

Feedback Control of a Nonlinear Electrostatic Force Transducer

open access: yesSensors, 2020
We document a feedback controller design for a nonlinear electrostatic transducer that exhibits a strong unloaded resonance. Challenging features of this type of transducer include the presence of multiple fixed points (some of which are unstable ...
Ivan Ryger   +6 more
doaj   +1 more source

Stabilizing a nonlinear system by using feedback control [PDF]

open access: yes, 2010
This dissertation considers how to stabilize a nonlinear system by using feedback control. To stabilize a nonlinear system, we first need to find the unstable steady state.
Kareem, Rasaq
core   +2 more sources

Elements of future snowpack modeling – Part 1: A physical instability arising from the nonlinear coupling of transport and phase changes [PDF]

open access: yesThe Cryosphere, 2022
The incorporation of vapor transport has become a key demand for snowpack modeling in which accompanied phase changes give rise to a new, nonlinear coupling in the heat and mass equations.
K. Schürholt   +3 more
doaj   +1 more source

A Simple Model of the Energy Harvester within a Linear and Hysteresis Approach

open access: yesMicromachines, 2023
In this article, a model of an energy harvester, the mechanical part of which is an inverted pendulum, is proposed. We investigated the stability of a linearized system.
Mikhail E. Semenov   +4 more
doaj   +1 more source

Nonlinear Output Feedback Control: An Analysis of Performance and Robustness [PDF]

open access: yes, 2004
By considering a non-singular performance cost functional, observer backstepping designs and adaptive observer backstepping designs are compared to high-gain observer designs for an output feedback system and a parametric output feedback system.
Xie, Chengkang
core   +1 more source

Walking is not like reaching: evidence from periodic mechanical perturbations. [PDF]

open access: yesPLoS ONE, 2012
The control architecture underlying human reaching has been established, at least in broad outline. However, despite extensive research, the control architecture underlying human locomotion remains unclear.
Jooeun Ahn, Neville Hogan
doaj   +1 more source

Adaptive Backstepping Control of Nonlinear Hydraulic-Mechanical System Including Valve Dynamics [PDF]

open access: yesModeling, Identification and Control, 2010
The main contribution of the paper is the development of an adaptive backstepping controller for a nonlinear hydraulic-mechanical system considering valve dynamics.
M. Choux, G. Hovland
doaj   +1 more source

Passivity-based Visual Feedback Control of Nonlinear Mechanical Systems

open access: yesTransactions of the Institute of Systems, Control and Information Engineers, 2002
This paper investigates the relative rigid body motion (positions and rotations) control problem with visual information. Firstly the model of the relative rigid body motion and the nonlinear observer are considered in order to derive the visual feedback system.
MARUYAMA, Akira   +2 more
openaire   +3 more sources

Controlling Chaos and Bifurcation of Subsynchronous Resonance in Power System

open access: yesNonlinear Analysis, 2002
Linear and nonlinear state feedback controllers are proposed to control the bifurcation of a new phenomenon in power system, this phenomenon of electro-mechanical interaction between the series resonant circuits and torsional mechanical frequencies of ...
A. M. Harb, M. S. Widyan
doaj   +1 more source

Modelling and Control of a Two-Wheel Inverted Pendulum Using Fuzzy-PID-Modified State Feedback

open access: yesJournal of Robotics, 2023
Control of mechanical systems by electronic systems controlled by computer programs is one of the most active research areas in mechatronic systems engineering. These programs carry out control laws, which are algorithms.
Karima Nader, Driss Sarsri
doaj   +1 more source

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