Results 11 to 20 of about 107 (90)

Iterative Learning Control Experimental Results in Twin‐Rotor Device

open access: yesMathematical Problems in Engineering, Volume 2017, Issue 1, 2017., 2017
This paper presents the results of applying the Iterative Learning Control algorithms to a Twin‐Rotor Multiple‐Input Multiple‐Output System (TRMS) in order to achieve high performance in repetitive tracking of trajectories. The plant, which is similar to a prototype of helicopter, is characterized by its highly nonlinear and cross‐coupled dynamics.
R. Mascaró Palliser   +3 more
wiley   +1 more source

UEG Week 2023 Poster Presentations

open access: yes, 2023
United European Gastroenterology Journal, Volume 11, Issue S8, Page 535-1498, October 2023.
wiley   +1 more source

Time‐Varying Scheme for Noncentralized Model Predictive Control of Large‐Scale Systems

open access: yesMathematical Problems in Engineering, Volume 2015, Issue 1, 2015., 2015
The noncentralized model predictive control (NC‐MPC) framework in this paper refers to any distributed, hierarchical, or decentralized model predictive controller (or a combination of them) the structure of which can change over time and the control actions of which are not obtained based on a centralized computation.
Alfredo Núñez   +4 more
wiley   +1 more source

Electrically Conductive and Recyclable Biocomposite Coatings for Robotic Grippers and Touch Sensors

open access: yesAdvanced Intelligent Systems, Volume 7, Issue 12, December 2025.
Sustainable robotics can reduce robot environmental impact by optimizing wear‐prone components, such as grippers and touch sensors, with recyclable materials and low‐energy manufacturing. Electrically conductive biocomposite coatings, made from biopolymers and carbon fillers, enable robust piezoresistive and piezocapacitive feedback.
Maedeh Najafi   +4 more
wiley   +1 more source

Distributed Leader‐Following Formation of Discrete‐Time Multi‐Agent LPV Systems

open access: yesInternational Journal of Robust and Nonlinear Control, Volume 35, Issue 18, Page 7942-7956, December 2025.
ABSTRACT This paper addresses the leader‐following formation consensus problem for multi‐agent systems (MASs) with agents represented by discrete‐time linear parameter‐varying (LPV) models. The scenario where each agent can be modeled with distinct time‐varying scheduling parameters is investigated with respect to compensation signals.
Paulo S. P. Pessim   +4 more
wiley   +1 more source

VERO: A vacuum‐cleaner‐equipped quadruped robot for efficient litter removal

open access: yesJournal of Field Robotics, Volume 41, Issue 6, Page 1829-1842, September 2024.
Abstract Litter nowadays presents a significant threat to the equilibrium of many ecosystems. An example is the sea, where litter coming from coasts and cities via gutters, streets, and waterways, releases toxic chemicals and microplastics during its decomposition.
Lorenzo Amatucci   +4 more
wiley   +1 more source

Underwater Pose SLAM using GMM scan matching for a mechanical profiling sonar

open access: yesJournal of Field Robotics, Volume 41, Issue 3, Page 511-538, May 2024.
Abstract The underwater domain is a challenging environment for robotics because widely used electromagnetic devices must be substituted by acoustic equivalents, much slower and noisier. In this paper a two‐dimensional pose simultaneous localization and mapping (SLAM) system for an Autonomous Underwater Vehicle based on inertial sensors and a ...
Pau Vial   +3 more
wiley   +1 more source

An empirical study to compare three web test automation approaches: NLP‐based, programmable, and capture&replay

open access: yesJournal of Software: Evolution and Process, Volume 36, Issue 5, May 2024.
A new advancement in test automation is the use of natural language processing (NLP) to generate test cases from natural language text. NLP is innovative in this context and promises of reducing test cases creation time and simplifying understanding. This paper investigates the adoption of NLP‐based test automation in the web context with a series of ...
Maurizio Leotta   +3 more
wiley   +1 more source

On closed‐form solutions to the 4D nearest rotation matrix problem

open access: yesMathematical Methods in the Applied Sciences, Volume 47, Issue 3, Page 1248-1256, February 2024.
In this paper, we address the problem of restoring the orthogonality of a numerically noisy 4D rotation matrix by finding its nearest (in Frobenius norm) correct rotation matrix. This problem can be straightforwardly solved using the Singular Value Decomposition (SVD).
Soheil Sarabandi, Federico Thomas
wiley   +1 more source

Reestruturação produtiva e acidentes de trabalho no Brasil: estrutura e tendências

open access: yesCadernos de Saúde Pública, 1999
A incidência de acidentes de trabalho no Brasil apresenta tendência decrescente nas duas últimas décadas. A mortalidade também é decrescente, porém de forma menos acentuada. O subregistro tem sido o principal argumento para explanar tal fato.
Wünsch Filho Victor
doaj  

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