Search Results - "Machado, J.A."

Optimal control of nonlinear fed-batch process using direct transcription method by Simorgh, Abolfazl, Razminia, Abolhassan, Tenreiro Machado, J.A.

“…•The control problem of the nonlinear fed-batch bioreactor is carried out using direct collocation method.•The proposed performance index to be minimized has a…”
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Electrochemical impedance spectroscopy characterization of beverages by Soares, C., Tenreiro Machado, J.A., Lopes, António M., Vieira, E., Delerue-Matos, C.

“…•We use electrochemical impedance spectroscopy to characterize beverages.•The similarities between the data are measured by the Euclidean and Canberra…”
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A review of definitions of fractional derivatives and other operators by Sales Teodoro, G., Tenreiro Machado, J.A., Capelas de Oliveira, E.

“…•List of the proposals for non-integer order operators and derivatives.•Classification of the present-day formulations of non-integer order…”
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Numerical evaluation of the fractional Klein–Kramers model arising in molecular dynamics by Nikan, O., Tenreiro Machado, J.A., Golbabai, A., Rashidinia, J.

“…The time fractional Klein–Kramers model (TFKKM) is obtained by incorporating the subdiffusive mechanisms into the Klein–Kramers formalism. The TFKKM can…”
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Fractional Electrical Impedances in Botanical Elements by Jesus, Isabel S., Tenreiro Machado, J.A., Boaventure Cunha, J.

“…Fractional calculus (FC) is no longer considered solely from a mathematical viewpoint, and is now applied in many emerging scientific areas, such as…”
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Dynamic stability analysis of fractional order leaky integrator echo state neural networks by Pahnehkolaei, Seyed Mehdi Abedi, Alfi, Alireza, Tenreiro Machado, J.A.

“…•The contribution of this paper is to address the stability analysis of fractional-order Leaky-echo state neural network.•The existence, uniqueness and…”
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An efficient local meshless approach for solving nonlinear time-fractional fourth-order diffusion model by Nikan, O., Avazzadeh, Z., Tenreiro Machado, J.A.

“…This paper adopts an efficient meshless approach for approximating the nonlinear fractional fourth-order diffusion model described in the Riemann–Liouville…”
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A local stabilized approach for approximating the modified time-fractional diffusion problem arising in heat and mass transfer by Nikan, O., Avazzadeh, Z., Machado, J.A. Tenreiro

“…[Display omitted] •The modified time-fractional diffusion model plays an important role in heat transfer and fluid flow problems.•A meshless method based on…”
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Numerical evaluation of fractional Tricomi-type model arising from physical problems of gas dynamics by Nikan, O., Machado, J.A. Tenreiro, Avazzadeh, Z., Jafari, H.

“…[Display omitted] •The fractional Tricomi-type model is adopted for describing the anomalous process of nearly sonic speed gas dynamics.•A new hybrid scheme…”
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New discrete-time fractional derivatives based on the bilinear transformation: Definitions and properties by Ortigueira, Manuel D., Tenreiro Machado, J.A.

“…[Display omitted] •The paper introduces new discrete-time derivative concepts based on the bilinear transformation.•Forward and backward derivatives having a…”
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Multidimensional scaling locus of memristor and fractional order elements by Tenreiro Machado, J.A., Lopes, António M.

“…[Display omitted] •Generalization of the periodic table of elements.•Inclusion of fractional order elements.•2- and 3-dimensional maps of elements organized…”
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Morphophysiological responses of black pepper to recurrent water deficit by FERREIRA, T.R., SALLIN, V.P., CERRI NETO, B., CRASQUE, J., PIRES, A., RODRIGUES, P.S., CHISTÉ, H., LIMA, A.B.P., MACHADO FILHO, J.A., ARANTES, L.O., LIRA, J.M.S., FALQUETO, A.R., DOUSSEAU-ARANTES, S.

“…This study investigated the effects of recurrent water deficit on drought tolerance traits in black pepper (Piper nigrum L.) ʻBragantinaʼ. Plants were…”
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Analysis and implementation of fractional-order chaotic system with standard components by Yao, Juan, Wang, Kunpeng, Huang, Pengfei, Chen, Liping, Machado, J.A. Tenreiro

“…[Display omitted] This paper is devoted to the problem of uncertainty in fractional-order Chaotic systems implemented by means of standard electronic…”
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A Historical Perspective of Legged Robots by Silva, Manuel F., Tenreiro Machado, J.A.

“…The objective of this paper is to present the evolution and the state-of-the-art in the area of legged locomotion systems. In a first phase different…”
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Stretch-induced nerve injury: a proposed technique for the study of nerve regeneration and evaluation of the influence of gabapentin on this model by Machado, J A, Ghizoni, M F, Bertelli, J, Teske, Gabriel C, Teske, Guilherme C, Martins, D F, Mazzardo-Martins, L, Cargnin-Ferreira, E, Santos, A R S, Piovezan, A P

“…The rat models currently employed for studies of nerve regeneration present distinct disadvantages. We propose a new technique of stretch-induced nerve injury,…”
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Responses of wild Piper species to drought and rehydration cycles considering stomatal closure as a marker of the alarm phase by CERRI NETO, B., SILVA, F.R.N., FERREIRA, T.R., CRASQUE, J., ARANTES, L.O., MACHADO FILHO, J.A., DE SOUZA, T.C., FALQUETO, A.R., DOUSSEAU-ARANTES, S.

“…Studies that simulate recurrent drought events with subsequent episodes of rehydration better reflect natural conditions and allow visualization of…”
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Evaluating the effect of grafting methods and rootstocks through the analysis of chlorophyll a fluorescence by CRASQUE, J., CERRI NETO, B., PINTO, M.L.P.B., FERREIRA, T.R., FALQUETO, A.R., ARANTES, L.O., MACHADO FILHO, J.A., SOUZA, C.A.S., SCHMILDT, E.R., DOUSSEAU-ARANTES, S.

“…This study evaluated the side-cleft grafting in native species of the genus Piper (Piper aduncum L., Piper hispidum Sw., and Piper tuberculatum Jacq.) with BRS…”
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Effect of fractional orders in the velocity control of a servo system by Barbosa, Ramiro S., Tenreiro Machado, J.A., Jesus, Isabel S.

“…The application of fractional-order PID controllers is now an active field of research. This article investigates the effect of fractional (derivative and…”
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DPI, UM INIBIDOR DE NOX/DUOX, INDUZ APOPTOSE E AMPLIFICA OS EFEITOS ANTINEOPLÁSICOS DE RUXOLITINIBE EM MODELOS CELULARES DE NEOPLASIA MIELOPROLIFERATIVA by K. Lima, L.R. Lopes, J.A. Machado-Neto

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Optimal approximation of fractional derivatives through discrete-time fractions using genetic algorithms by Tenreiro Machado, J.A., Galhano, Alexandra M., Oliveira, Anabela M., Tar, József K.

“…This study addresses the optimization of rational fraction approximations for the discrete-time calculation of fractional derivatives. The article starts by…”
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