bluuebunny/crossref_metadata_2025_split huggingface dataset:
Model Reference Adaptive Control based on a Self-Recurrent Wavelet Neural Network Utilizing Micro Artificial Immune Systems
Authors: Lutfy Omar Farouq , Dawood Maryam Hassan 
Published: April 2019

Abstract
This paper presents an intelligent model reference adaptive control (MRAC) utilizing a self-recurrent wavelet neural network (SRWNN) to control nonlinear systems. The proposed SRWNN is an improved version of a previously reported wavelet neural network (WNN). In particular, this improvement was achieved by adopting two modifications to the original WNN structure. These modifications include, firstly, the utilization of a specific initialization phase to improve the convergence to the optimal weight values, and secondly, the inclusion of self-feedback weights to the wavelons of the wavelet layer. Furthermore, an on-line training procedure was proposed to enhance the control performance of the SRWNN-based MRAC. As the training method, the recently developed modified micro artificial immune system (MMAIS) was used to optimize the parameters of the SRWNN. The effectiveness of this control approach was demonstrated by controlling several nonlinear dynamical systems. For each of these systems, several evaluation tests were conducted, including control performance tests, robustness tests, and generalization tests. From these tests, the SRWNN-based MRAC has exhibited its effectiveness regarding accurate control, disturbance rejection, and generalization ability. In addition, a comparative study was made with other related controllers, namely the original WNN, the artificial neural network (ANN), and the modified recurrent network (MRN). The results of these comparison tests indicated the superiority of the SRWNN controller over the other related controllers.
Keywords: Artificial neural network, micro artificial immune system, model reference adaptive control, self-recurrent wavelet neural network , Wavelet neural network.
Performance Comparison of Different Advanced Control Schemes for Glucose Level Control under Disturbing Meal
Authors: Midhat Bashar Fateh , Humaidi Amjad Jaleel 
Published: April 2019

Abstract
In this work, diabetic glucose concentration level control under disturbing meal has been controlled using two set of advanced controllers. The first set is sliding mode controllers (classical and integral) and the second set is represented by optimal LQR controllers (classical and Min-, ax). Due to their characteristic features of disturbance rejection, both integral sliding mode controller and LQR Minmax controller are dedicated here for comparison. The Bergman minimal mathematical model was used to represent the dynamic behavior of a diabetic patient’s blood glucose concentration to the insulin injection. Simulations based on Matlab/Simulink, were performed to verify the performance of each controller. In spite that Min-max optimal controller gave better disturbance rejection capability than classical optimal controller, classical sliding mode controller could outperform Min-max controller. However, it has been shown that integral sliding mode controller is the best of all in terms of disturbance rejection capability.

Key words: Optimal LQR control, Optimalminimax control, Sliding mode control, Integral sliding mode control.
Improvement of Dynamic Buckling Behavior of Intermediate Aluminized Stainless Steel Columns
Authors: Al-Khazraji Ahmed Naif , Al-Rabii Samir Ali , Al-Khazaali Hameed Shamkhi 
Published: April 2019

This paper experimentally investigated the dynamic buckling behavior of AISI 303 stainless steel aluminized and as received intermediate columns. Twenty seven specimens without aluminizing (type 1) and 75 specimens with hot-dip aluminizing at different aluminizing conditions of dipping temperature and dipping time (type 2), were tested under dynamic compression loading (compression and torsion), dynamic bending loading (bending and torsion), and under dynamic combined loading (compression, bending, and torsion) by using a rotating buckling test machine. The experimental results werecompared with tangent modulus theory, reduced modulus theory, and Perry Robertson interaction formula. Reduced modulus was formulated to circular cross-section for the specimens of type (1).The experimental results obtained showed an advantageous influence of hot-dip aluminizing treatment on the dynamic buckling behavior of AISI 303 stainless steel intermediate columns. The improvements based on the average value of critical stress were19.4 % for intermediate columns type (2) compared with columns type (1) under dynamic compression loading, 8.7 % for intermediate columns type (2) compared with columns type (1) under dynamic bending loading, and 16.5 % for intermediate columns type (2) compared with columns type (1) under dynamic combined loading.
ptimization the Parameters of Magnetic Abrasive Process Using Taguchi Method to Improve the Surface Roughness
Authors: Mousa Shakir M 
Published: April 2019

Abstract
Magnetic abrasive finishing (MAF) process is one of non-traditional or advanced finishing methods which is suitable for different materials and produces high quality level of surface finish where it uses magnetic force as a machining pressure. A set of experimental tests was planned according to Taguchi orthogonal array (OA) L27 (36) with three levels and six input parameters. Experimental estimation and optimization of input parameters for MAF process for stainless steel type 316 plate work piece, six input parameters including amplitude of tooth pole, and number of cycle between teeth, current, cutting speed, working gap, and finishing time, were performed by design of experiment (DOE) and response surface methodology (RSM).These six input parameters in this research were optimized for all input parameters to improve the surface layer for work piece by using signal-to-noise ratio technique. The obtained results showed that all six input parameters have an influence on the change in surface roughness(∆Ra). In addition, the results showed that the surface roughness of the work piece decreased from 1.130 to 0.370µm that means high level of improvement in the change of surface roughness (0.760)µm.
Keywords: MAF process, MINITAB software, parameters, Signal-to-Noise ratio, surface roughness, Taguchi orthogonal array.
Proposed Hybrid Sparse Adaptive Algorithms for System Identification
Authors: Abdulsattar Mahmood A. K , Ali Samer Hussein 
Published: April 2019

Abstract
For sparse system identification,recent suggested algorithms are -norm Least Mean Square ( -LMS), Zero-Attracting LMS (ZA-LMS), Reweighted Zero-Attracting LMS (RZA-LMS), and p-norm LMS (p-LMS) algorithms, that have modified the cost function of the conventional LMS algorithm by adding a constraint of coefficients sparsity. And so, the proposed algorithms are named -ZA-LMS, -RZA-LMS, p-ZA-LMS and p-RZA-LMS that are designed by merging twoconstraints from previous algorithms to improve theconvergence rate and steady state of MSD for sparse system. In this paper, a complete analysis was done for the theoretical operation of proposed algorithms by exited white Gaussian sequence for input signal. The discussion of mean square deviation (MSD) with regard to parameters of algorithms and system sparsity was observed. In addition, in this paper, the correlation between proposed algorithms and the last recent algorithms were presented and the necessary conditions of these proposed algorithms were planned to improve convergence rate. Finally, the results of simulations are compared with theoretical study (?), which is presented to match closely by a wide-range of parameters..
Keywords: Adaptive filter, -LMS, zero-attracting, p-LMS, mean square deviation, Sparse system identification.
Study the Characterization of Adding Polymer-Surfactant Agent on the Drag Reduction Phenomena in Pipeline Flow System
Authors: Dawood Sahar A. 
Published: April 2019

Abstract
In this study, the effect of carboxylic methyl cellulose (CMC), and sodium dodcyl benzene sulfonate (SDBS) as an aqueous solution on the drag reduction was investigated. Different concentrations of (CMC) and (SDBS) such as (50, 100, 150, 200, 250, 300, 350, 400, 450, and 500 ppm) were used to analyze the aqueous solution properties, including surface tension, conductivity, and shear viscosity. The optimum four concentrations (i.e., 50, 100, 200, and 300 ppm) of fluid properties were utilized to find their effect on the drag reduction. Two different PVC pipe diameters (i.e., 1" and 3/4") were used in this work. The results showed that blending CMC with SDBS gives a good drag reduction percent about (58%) more than using them individually, friction factor decreasing with increasing Reynolds number and gives good agreement with von Karamn equation and maximum drag reduction (MDR) asymptote. Reynolds number, pipe diameter, and polymer-surfactant concentrations were considered as influencing factors. In addition, critical micelle concentration, the onset of drag reduction, and the interactions between the mixed additives were discussed.
Keyword: CMC, SDBS, drag reduction, friction factor, blending of additives.
Analisis Keterlaksanaan Model Discovery Learning Berbantuan Multimedia Asam Basa
Authors: Haryanto Haryanto , Alfiah Rini , Sanova Aulia 
Published: April 2019

This research is based on the limited of teaching media that helps students in the process of understanding the material and the low of students’ interest on the chemistry material that is taught and also the impact on students' learning outcomes. The use of alkali-acid learning multimedia in Discovery Learning model can be one of alternative that can be applied to attract interest and improve student learning outcomes. This study aims to determine how far the implementation of the Discovery Learning model with the help of alkali-acid learning multimedia and its effect on students' learning outcomes in alkali-acid learning in class XI IPA SMAN 2 Jambi. The type of this research is descriptive correlation. The method in this research is mix method by using two data that is qualitative and quantitative data with sequential exploratory type (order sequence model). The sampling technique was done by Simple Random Sampling technique. There is one class that is used as sample that is class XI IPA 1. the research instrument in the form of observation sheet implementation of Discovery Learning model both from teacher and student and student essay test question. Qualitative data analysis techniques using Miles and Huberman and quantitative analysis techniques using product moment correlation test and t-test. The implementation of discovery learning model by teachers has increased every meeting, and the implementation of the discovery learning model by the students of 70.71% with good categorization. The relationship between implementation of discovery learning model and student learning outcomes is categorized by rxy 0,596. The significance test is done by t-test and obtained thitung > ttabel (4,749> 1,683) with dk 41 and a= 0,05 so Ho is rejected and Ha is accepted. Based on the results of this research it can be concluded that the implementation of Discovery Learning model with the help of alkali-acid learning multimedia goes well and has an effect on student's learning outcomes in class XI IPA 1 SMAN 2 Jambi.

Keywords: Discovery Learning, alkali-acid learning multimedia, and students' learning outcomes
Analisis Keterlaksanaan Model Pembelajaran Creative Problem Solving (CPS) dan Pengaruhnya terhadap Keterampilan Proses Sains Siswa pada Materi Asam Basa Kelas XI IPA SMAN 10 Kota Jambi
Authors: Bakar Abu , Nurjanah Siti , Fuldiaratman Fuldiaratman 
Published: April 2019

Model creative problem solving (CPS) is one model of learning centered on problem-solving skills, followed by strengthening creativity. When faced with a situation of question, students can perform problem-solving skills to select and develop a response. While the science process skills are skills that foster scientific attitude of students. By using methods practicum, students' science process skills can be seen. This study aims to determine the extent of adherence to the creativesolving model-basedproblemand the effect on students' science process skills in the acid-base material in class XI IPA 2 SMAN 10 Jambi. The approach used in this study is a mixed approach (mix method) with the type ofmodels exploratory sequentile (model order of discovery). The sampling technique was conducted by purposivesampling.There is one class that is used as a sample of grade XI 2. The research instrument used is the observation sheet enforceability of the model by teachers and students as well as students' science process skills and post-test students. Data qualitative data analysis techniques using Miles and Huberman and quantitative data usingcorrelation product momenttest. Imlementation model of creative problem solving (CPS) by teachers and students has been implemented according to the principles model of creative problem solving (CPS) each meeting. The percentage of adherence to a model by the teacher obtained a score of percentage 70.00% (Good), adherence to a model by the percentage of students obtained a score of 71.28% (Good), and the enforceability of the science process skills percentage of students obtained a score of 75.34% (Good). Correlation of adherence to the model of creative problem solving in science process skills by being categorized with the average rxy0,4150. Based on conclusion is that the learning model creative problem solving (CPS) has been performing well and the effect on the improvement of science process skills of students in the material acid-base in class XI IPA 2 SMAN 10 Jambi.
Keywords: Learning Model Creative Problem Solving, Science Process Skills, Acids and Bases
Identifikasi Miskonsepsi Siswa Pada Materi Reaksi Redoks Menggunakan Certainty Of Respond Indeks
Authors: Jannah Riza Raudatul , Utami Lisa 
Published: April 2019

This Research aimed at identifying student misconception on Redox Reaction lesson at the tenth grade of State Vocational High School 5 Pekanbaru. It was Descriptive. Purposive sampling technique was used, and the sample were the tenth grade students of class TAV 2. Multiple choice with reasoning diagnostic test with CRI (Certainty of Response Index) column was the instrument used. Based on the research findings, it showed that there was a student misconception on Redox Reaction lesson. Sub concept was the highest misconception. The concept development of Redox Reaction lesson was 22.23%, sub concept of oxidation number was 19.05%, and sub concept of reducing and oxidation agents was 12.7%. Misconception happened because of the learning method that was teacher center, the lack of textbook reference, and the low of student learning interest. Based on the data analysis, it revealed that CRI was effective to be used to identify student misconception.

Keywords: Misconception, Multiple Choice Test Reasoned Open, CRI (Certainty of Response Index), Redox Reaction Concept
PENINGKATAN KEMAMPUAN BERPIKIR KREATIF SISWA DENGAN MENGGUNAKAN MODEL PROJECT BASED LEARNING BERBASIS STEAM (SCIENCE, TECHNOLOGY, ENGINEERING, ARTS DAN MATHEMATIC) PADA MATERI ASAM DAN BASA DI SMAN 11 KOTA JAMBI
Authors: Annisa Rifka , Effendi M Haris , Damris Damris 
Published: April 2019

Model project based learning berbasis STEAM adalah model yang menuntut siswa untuk menghasilkan sesuah produk, dan produk yang dihasilkan memiliki kreteria science, technology, engineering, arts dan mathematic. Tujuan penenilian adalah untuk melihat perbedaan kemampuan berpikir kreatifitas siswa menggunakan model project based learning berbasis STEAM pada materi asam dan basa. Desain penelitian ini adalah pre-experimental desain dengan jenis penelitian one-group pretest-postest desain menggunakan sampel penelitian rondom sampling. Adapun sampel yang dipilih hanya satu kelas yaitu kelas XI MIA 2. Instrument penelitian berupa rencana pelaksanaan pembelajaran, soal pretest dan posttest. Analisis data menggunakan uji paired sampel t-test, nilai rata-rata pretest 1,58 dan posttest 3,17. Hasil korelasi nilai pretest-postest 0,263 > 0,05 artinya tidak terdapat hubungan antar nilai pretest-postest. Nilai signifikansi 2- tailed 0,000 < 0,05, maka dapat disimpulkan terdapat perbedaaan yang nyata kemampuan berpikir kreatif siswa pada data pretest dan posttes. Berdasarkan hasil penelitian dapat disimpulkan terdapat perbedaan yang nyata kemampuan berpikir kreatif siswa dangan penggunaan model poreject basd learning pada materi asam dan basa di SMAN 11 Kota Jambi.
Kata kunci : Model Project Based Learning, STEAM, Berpiki Kreatif
ABSTRAK
The STEAM-based project based learning model is a model that requires students to produce a product, and the products produced have criteria for science, technology, engineering, arts and mathematic. The aim of the study was to see differences in students' creative thinking abilities using STEAM-based project based learning models on acidic and basic material. The design of this study was pre-experimental design with the type of one-group pretest-posttest research using a sample sampling method. The sample chosen was only one class, namely class XI MIA 2. The research instrument was in the form of a learning implementation plan, about the pretest and posttest. Data analysis using paired sample t-test, pretest average value 1.58 and posttest 3.17. Corlation results of the pretest-posttest value 0.263> 0.05 means that there is no relationship between the values ​​of the pretest-posttest. 2- tailed significance value 0,000 <0,05, it can be concluded that there are significant differences in students' creative thinking skills on data pretest and posttes. Based on the results of the study, it can be concluded that there are significant differences in the students' creative thinking ability with the use of the poreject basd learning model in acidic and basic material in SMAN 11 Kota Jambi.
Keywords : Model Project Based Learning, STEAM, Creative Thinking
SUAV – SISTEMA UBÍQUO DE APRENDIZAGEM VERTICAL
Authors: Furtado Lorenci Felipe , Vieira Mathias Carmen , Martinuzzi Buriol Tiago 
Published: April 2019

Muitos estudantes iniciam cursos do ensino superior com sérias dificuldades em tópicos de matemática, limitando seu desempenho em disciplinas como Cálculo e Álgebra Linear. Dessa forma, professores despendem um grande esforço para identificar estes problemas individuais e específicos, revisando os pré-requisitos necessários para cada conteúdo. Os dispositivos móveis são excelentes ferramentas quando usadas como plataformas de entrega de um ensino mais personalizado, porém, grandes potenciais dessas tecnologias ainda não foram completamente explorados. Este relato de pesquisa apresenta o desenvolvimento de uma aplicação para smartphones, destinada ao estudo de matemática apenas com a resolução de exercícios. A ideia central é que a partir de questões propostas, o aplicativo identifique as dificuldades do aluno, fornecendo dicas e materiais instrutivos relativos à essas deficiências; além disso, com uma análise nas respostas fornecidas pelo usuário juntamente com a frequência do uso de dicas, o sistema é capaz de reconhecer quais temas já estão dominados e também aqueles que ainda possuem lacunas, permitindo a criação de um mecanismo de identificação de pontos falhos e entrega de materiais específicos de forma clara, objetiva e orientada a cada usuário.
ANÁLISE DE MATERIAL DIDÁTICO DE LÍNGUA ESTRANGEIRA VOLTADO A CONTEXTOS TECNOLÓGICOS E PRODUZIDO POR PROFESSORES EM FORMAÇÃO
Authors: Da Silva Campelo Costa Barcello Patrícia , Backes Nunes Mariana 
Published: April 2019

Este trabalho analisa materiais didáticos voltados a contextos de tecnologiadigital produzidos por professores em pré-serviço. Tais materiais didáticos foramproduzidos em uma disciplina semipresencial voltada a reflexões sobre o ensino de língua estrangeira mediado por tecnologia. Os alunos foram instigados, ao final do curso, a produzirem as suas próprias unidades didáticas. Dessa maneira, seguimos duas metodologias distintas de análise dessas unidades. Primeiramente, foi realizada uma análise das unidades considerando suas características tecnológicas, seguindo parâmetros de objetos de aprendizagem (ARAÚJO, 2013). Após esse primeiro estudo, foi realizada uma segunda análise considerando as diferentes estratégias de aprendizagem de linguagem (OXFORD, 2003) que as tarefas ali presentes poderiam suscitar em uma aula de língua estrangeira. Espera-se que com essa pesquisa os professores em formação possam tornar-se produtores autônomos de produtos pedagógicos digitais.
GLAUBER ROCHA NO CAMINHO DA TELEVISÃO
Authors: Maia Paulo Roberto de Azevedo 
Published: April 2019

Esse artigo tem como proposta analisar a trajetória intelectual de Glauber Rocha, partindo de suas experiências políticas e culturais ao longo dos anos 1970 até se tornar apresentador de televisão. Em sua produção cinematográfica feita no exterior é possível perceber uma aproximação com a linguagem televisiva, numa espécie de preparação inconsciente para atividade que viria desenvolver. Além dos filmes, foram motivo de análise a produção intelectual expressa em livros, jornais e revistas. Em 1979, o cineasta baiano teve uma experiência de apresentador no programa Abertura veiculado pela Rede Tupi de televisão. Apesar de ficar apenas 9 meses no ar, sua participação foi intensa, configurando um dos momentos mais significativos da televisão brasileira da década de 70.
A patrimonialização e suas contradições: o patrimônio prisional na França do tempo presente
Authors: Borges Viviane Trindade 
Published: April 2019

O presente artigo objetiva traçar os embates em torno das práticas de patrimonialização de espaços prisionais na França. Tendo como fio condutor o caso da Prison de La Santé, aberta a visitação pública durante as Jornadas do Patrimônio de 2014, intenciona-se tornar compreensíveis questões teóricas e metodológicas enfocadas na constituição de um conceito ainda em construção, o de patrimônio prisional (ou patrimônio carcerário), o qual vem fomentando discussões na França nos últimos dez anos. Objetiva-se analisar os destinos contraditórios de algumas prisões do século XIX ainda em funcionamento e/ou desativadas, edificações monumentais tornadas obsoletas na atualidade e marcadas pelos conflitos que cercam os caminhos contraditórios de algumas ações de patrimonizalização, bem como problematizar o papel de alguns historiadores neste processo.
“Todo mundo brinca, todo mundo invade, o urubu cheiroso é pra qualquer idade”: danças, machinhas e festas no “bloco urubu cheiroso” (bragança-pa)
Authors: Alves Alexandre De Brito 
Published: April 2019

Este ensaio alterca acerca de como o bloco de rua “Urubu Cheiroso”, criado por estudantes da Universidade Federal do Pará (UFPA) no início da década de 1990, alcançou aceitação dos foliões no carnaval de Bragança-PA. Assim sendo, devido a sua popularidade, contextualizo a respeito de quais foram os fatores que acarretaram à sua criação, tal qual o crescimento de sua anuência por uma série de sujeitos sociais que residem na cidade em tela, e que se deslocam a esta festa para participar das machinhas, que ocorrem em fevereiro, anualmente.Palavras-chave: Carnaval. “Urubu Cheiroso”. Bloco de rua. "Everyone plays, everyone invades, the vulture is fragrant for any age": dances, little clubs and parties in the "bloco urubu cheiroso" (bragança-pa)Abstract"Everyone is playing, everyone invades, the Urubu Cheiroso is for any age": dances, little clubs and parties in the "Bloco Urubu Cheiroso" (Bragança-PA). This essay discusses how the "Urubu Cheiroso" street block, created by students of the Federal University of Pará (UFPA) in the early 1990s, achieved acceptance of the revelers at the carnival of Bragança-PA. Therefore, due to its popularity, I contextualize about what were the factors that led to its creation, such as the growth of its consent by a series of peoble residing in the city on canvas.Keywords: Carnival, "Urubu Cheiroso". Block of street.