Results 21 to 30 of about 18,172 (251)

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

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

System-Level Modelling and Simulation of a Multiphysical Kick and Catch Actuator System

open access: yesActuators, 2021
This paper presents a system-level model of a microsystem architecture deploying cooperating microactuators. An assembly of a piezoelectric kick-actuator and an electromagnetic catch-actuator manipulates a structurally unconnected, magnetized micromirror.
Arwed Schütz   +2 more
doaj   +1 more source

Ant Colony Optimization Analysis on Overall Stability of High Arch Dam Basis of Field Monitoring

open access: yesThe Scientific World Journal, 2014
A dam ant colony optimization (D-ACO) analysis of the overall stability of high arch dams on complicated foundations is presented in this paper. A modified ant colony optimization (ACO) model is proposed for obtaining dam concrete and rock mechanical ...
Peng Lin   +3 more
doaj   +1 more source

A New Mechanical Resonance Suppression Method for Large Optical Telescope by Using Nonlinear Active Disturbance Rejection Control

open access: yesIEEE Access, 2019
Aiming at solving the problem of the multi-low-frequency mechanical resonances appearing in the large optical telescope control system, this paper proposes a novel control method based on nonlinear active disturbance rejection control (NADRC) and ...
Xin Li   +6 more
doaj   +1 more source

A simple state-determined model reproduces entrainment and phase-locking of human walking. [PDF]

open access: yesPLoS ONE, 2012
Theoretical studies and robotic experiments have shown that asymptotically stable periodic walking may emerge from nonlinear limit-cycle oscillators in the neuro-mechanical periphery.
Jooeun Ahn, Neville Hogan
doaj   +1 more source

Modeling Dry Friction in Multibody Mechanical Systems and Its Applications to the Underactuated Control of an Overhead Crane-Payload System [PDF]

open access: yesJournal of Applied and Computational Mechanics
This paper presents a comprehensive analysis of dry friction modeling for conducting reliable computer simulations in the MATLAB and SIMULINK environments.
Rosario La Regina   +3 more
doaj   +1 more source

Fixed-TimeAdaptive Neural Control for Strict Feedback Nonlinear Systems via Event-Triggered Mechanism [PDF]

open access: yesIEEE Access, 2020
This article investigates an event-trigger-based fixed-time adaptive tracking control problem for strict feedback nonlinear systems with external disturbances. Relying on the values of the control input and tracking error, the relative fixed event-triggered control scheme is introduced to save communication resources on the basis of ensuring the ...
Xin Liu 0071   +3 more
openaire   +2 more sources

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