Results 21 to 30 of about 8,714,045 (298)

Flatness optimization of micro-injection moulded parts: the case of a PMMA microfluidic component [PDF]

, 2011
Micro-injection moulding (µ-IM) has attracted a lot of interest because of its potential for the production of low-cost, miniaturized parts in high-volume.
Alcock, Jeffrey R., Wilson, A., S. Marson, A. Wilson, Marson, Silvia, U. M. Attia, LUCCHETTA, GIOVANNI, D M Allen, J. R. Alcock, Lucchetta, G., A Wilson, Allen, David M., U M Attia, J R Alcock, G Lucchetta, D. M. Allen, S Marson, Attia, Usama M.   +17 more
core   +1 more source

Flatness-Based Control for the Maximum Power Point Tracking in a Photovoltaic System

Energies, 2019
Solar energy harvesting using Photovoltaic (PV) systems is one of the most popular sources of renewable energy, however the main drawback of PV systems is their low conversion efficiency.
Leopoldo Gil-Antonio, Belem Saldivar, Otniel Portillo-Rodríguez, Juan Carlos Ávila-Vilchis, Pánfilo Raymundo Martínez-Rodríguez, Rigoberto Martínez-Méndez   +5 more
doaj   +1 more source

Enhanced Output Tracking Control for Direct Current Electric Motor Systems Using Bio-Inspired Optimization

Machines, 2023
In this paper, an efficient output reference trajectory tracking control scheme for direct current electric motor systems based on bio-inspired optimization is proposed.
Hugo Yañez-Badillo, Francisco Beltran-Carbajal, Ivan Rivas-Cambero, Antonio Favela-Contreras, Jose Humberto Arroyo-Nuñez, Juan Nabor Balderas-Gutierrez   +5 more
doaj   +1 more source

Robust Flat Filtering Control of a Two Degrees of Freedom Helicopter Subject to Tail Rotor Disturbances

International Journal of Applied Mathematics and Computer Science, 2023
This article deals with modelling and a flatness-based robust trajectory tracking scheme for a two degrees of freedom helicopter, which is subject to four types of tail rotor disturbances to validate the control scheme robustness. A mathematical model of
Sánchez-Meza Victor-Gabriel, Lozano-Hernández Yair, Gutiérrez-Frías Octavio, Lozada-Castillo Norma, Luviano-Juárez Alberto   +4 more
doaj   +1 more source

Flatness-based linear active disturbance rejection control for tower crane [PDF]

FME Transactions
Controlling tower cranes presents substantial challenges due to their complexity, nonlinearity, and under-actuated dynamics. This paper introduces a control strategy integrating Linear Active Disturbance Rejection Control (LADRC) with differential ...
Sev Eunet Rs, Tuan Anh Nguyen, Minh Duc Duong   +2 more
doaj   +1 more source

Neural Network Trajectory Tracking Control on Electromagnetic Suspension Systems

Mathematics, 2023
A new adaptive-like neural control strategy for motion reference trajectory tracking for a nonlinear electromagnetic suspension dynamic system is introduced. Artificial neural networks, differential flatness and sliding modes are strategically integrated
Francisco Beltran-Carbajal, Hugo Yañez-Badillo, Ruben Tapia-Olvera, Julio C. Rosas-Caro, Carlos Sotelo, David Sotelo   +5 more
doaj   +1 more source

Implementation and Experimental Verification of Flow Rate Control Based on Differential Flatness in a Tilting-Ladle-Type Automatic Pouring Machine

Applied Sciences, 2019
In this paper, we study an advanced pouring control system using a tilting-ladle-type automatic pouring machine. In such a machine, it is difficult to precisely pour the molten metal into the pouring basin of the mold, as the outflow from the ladle can ...
Yoshiyuki Noda, Yuta Sueki
doaj   +1 more source

Active Disturbance Rejection Control for Reference Trajectory Tracking Tasks in the Pendubot System

IEEE Access, 2021
In this article, an Extended State Observer (ESO) based Active Disturbance Rejection Control (ADRC) scheme is applied to the Pendubot system for a trajectory tracking tasks.
Mario Ramirez-Neria, Hebertt Sira-Ramirez, Ruben Garrido-Moctezuma, Alberto Luviano-Juarez, Zhiqiang Gao   +4 more
doaj   +1 more source

Tracking Control for Mobile Robots Considering the Dynamics of All Their Subsystems: Experimental Implementation

Complexity, 2017
The trajectory tracking task in a wheeled mobile robot (WMR) is solved by proposing a three-level hierarchical controller that considers the mathematical model of the mechanical structure (differential drive WMR), actuators (DC motors), and power stage ...
José Rafael García-Sánchez, Ramón Silva-Ortigoza, Salvador Tavera-Mosqueda, Celso Márquez-Sánchez, Victor Manuel Hernández-Guzmán, Mayra Antonio-Cruz, Gilberto Silva-Ortigoza, Hind Taud   +7 more
doaj   +1 more source

Active Steering and Driving/Braking Coupled Control Based on Flatness Theory and a Novel Reference Calculation Method

IEEE Access, 2019
Vehicle handing stability under the combined acceleration steering and braking steering conditions has a great impact on the vehicle safety. Therefore, the coupled steering and driving/braking stability control is essential.
Yuqiong Wang, Shuming Shi, Song Gao, Yi Xu, Pengwei Wang   +4 more
doaj   +1 more source