571   Artículos

 
en línea
Rudi Uswarman, Swadexi Istiqphara, Rajif Agung Yunmar, Arkham Zahri Rakhman     Pág. 135 - 143
Sliding Mode Control (SMC) used to control the stability of a quadcopter from disturbances and uncertainties. This technique has two main advantages: the nonlinear dynamics and modelling errors of the quadcopter can be eliminated by switching function an... ver más
Revista: Journal of Science and Applicative Technology    Formato: Electrónico

 
en línea
Jocelyn Sabatier and Christophe Farges    
This paper proposes algorithms to model fractional (dynamical) behaviors using non-singular rational kernels whose interest is first demonstrated on a pure power law function. Two algorithms are then proposed to find a non-singular rational kernel that a... ver más
Revista: Algorithms    Formato: Electrónico

 
en línea
Alexander Robitzsch    
Item response theory (IRT) models are frequently used to analyze multivariate categorical data from questionnaires or cognitive test data. In order to reduce the model complexity in item response models, regularized estimation is now widely applied, addi... ver más
Revista: Algorithms    Formato: Electrónico

 
en línea
Rong Miao, Caijuan Li, Ziliang Liu, Xiangyan Zhou, Sijin Chen, Dan Zhang, Jiaqi Luo, Wenhui Tang, Cuiling Wang, Jiling Wu and Zhengjun Chen    
Plants are vulnerable to many abiotic stresses, resulting in reduced plant productivity. Its adaptation to unfavorable environments relies on transmitting external stress signals into internal signaling pathways. A series of stress response mechanisms ha... ver más
Revista: Agronomy    Formato: Electrónico

 
en línea
Alexander Robitzsch    
The local independence assumption is crucial for the consistent estimation of item parameters in item response theory models. This article explores a pairwise likelihood estimation approach for the two-parameter logistic (2PL) model that treats the local... ver más
Revista: Applied Sciences    Formato: Electrónico

 
en línea
Qi Hong, Tianyi Zhou and Junde Qi    
Polishing force is one of the key process parameters in the polishing process of blisk blades, and its control accuracy will affect the surface quality and processing accuracy of the workpiece. The contact mechanism between the polishing surface and flap... ver más
Revista: Applied Sciences    Formato: Electrónico

 
en línea
Shiyuan Zhu, Yuwei Zhao and Shihong Yue    
Given a set of data objects, the fuzzy c-means (FCM) partitional clustering algorithm is favored due to easy implementation, rapid response, and feasible optimization. However, FCM fails to reflect either the importance degree of the individual data obje... ver más
Revista: Applied Sciences    Formato: Electrónico

 
en línea
Ping Xiao and Haiyan Wang    
In response to the optimal operation of ocean container ships, this paper presents a two-level planning model that takes into account carbon tax policies. This model translates the CO2 emissions of ships into carbon tax costs and aims to minimize the ove... ver más
Revista: Applied Sciences    Formato: Electrónico

 
en línea
Valerie Hernley, Aleksandar Jemcov, Jeongseek Kang, Matthew Montgomery and Scott C. Morris    
The relationship between aerodynamic forcing and non-synchronous vibration (NSV) in axial compressors remains difficult to ascertain from experimental measurements. In this work, the relationship between casing pressure and blade vibration was investigat... ver más

 
en línea
Nicola Casari, Ettore Fadiga, Stefano Oliani, Mattia Piovan, Michele Pinelli and Alessio Suman    
Automotive fans, small wind turbines, and manned and unmanned aerial vehicles (MAVs/UAVs) are just a few examples in which noise generated by the flow?s interaction with aerodynamic surfaces is a major concern. The current work shows the potential of a n... ver más

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