8,686 research outputs found

    Development of soft computing and applications in agricultural and biological engineering

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    Soft computing is a set of “inexact” computing techniques, which are able to model and analyze very complex problems. For these complex problems, more conventional methods have not been able to produce cost-effective, analytical, or complete solutions. Soft computing has been extensively studied and applied in the last three decades for scientific research and engineering computing. In agricultural and biological engineering, researchers and engineers have developed methods of fuzzy logic, artificial neural networks, genetic algorithms, decision trees, and support vector machines to study soil and water regimes related to crop growth, analyze the operation of food processing, and support decision-making in precision farming. This paper reviews the development of soft computing techniques. With the concepts and methods, applications of soft computing in the field of agricultural and biological engineering are presented, especially in the soil and water context for crop management and decision support in precision agriculture. The future of development and application of soft computing in agricultural and biological engineering is discussed

    A short review on the application of computational intelligence and machine learning in the bioenvironmental sciences

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    This paper aims to provide a short review on the application of computational intelligence (CI) and machine learning (ML) in the bioenvironmental sciences. To clearly illustrate the current status, we limit our focus to some key approaches, namely fuzzy systems (FSs), artificial neural networks (ANNs) and genetic algorithms (GAs) as well as some ML methods. The trends in the application studies are categorized based on the targets of the model such as animal, fish, plant, soil and water. We give an overview of specific topics in the bioenvironmental sciences on the basis of the review papers on model comparisons in the field. The summary of the modelling approaches with respect to their aim and potential application fields can promote the use of CI and ML in the bioenvironmental sciences

    The Dynamics of Export Specialisation in the Regions of the Italian Mezzogiorno: Persistence and Change

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    In the most recent years, the pattern of economic growth of the Italian Mezzogiorno has undergone a significant transformation. Up to the beginning of the 1990s, the whole area was by and large characterised by a single macroeconomic model of income and employment, whose dynamics were strongly based upon State intervention. By the early 1990s, the end of the special public support for the Mezzogiorno - as a consequence, to a large extent, of the completion of the Single European Market in 1992 - was only partially followed by appropriate legislative tools for the support of less favoured areas. Since then, the Italian southern regions as a whole have gone through a worsening of their economic fundamentals, particularly with regard to income growth and unemployment. At the same time, the differentials in the paths of socio-economic development within the southern area have been strengthening, confirming the existence of "many Mezzogiorni" previously noted by the specialised literature. Our current research line aims at providing the basis for devising a policy framework within which trying to identify new directions to untangle regional "vulnerability", with particular reference to the dramatic changes imposed by internationalisation and globalisation processes. The objective of the present paper is to investigate to what extent the evolution of export patterns and performance by Mezzogiorno province fits in the picture of intra-area growing differentiation. The combined significance of cumulativeness and gradual change in specialisation patterns is examined by testing the extent of continuity in the sectoral composition of trade specialisation profiles by province during the period 1985-2000. The export performance and the models of specialisation seem to bear out the view of "many Mezzogiorni" and show that peripheral regions and provinces have adopted rather distinct strategies to adjust to the rapidly increasing economic integration.income growth and unemployment, regional trade specialisation, Italy, export patterns

    Smart farming : concepts, applications, adoption and diffusion in southern Brazil

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    Smart Farming (SF) is a modern set technologies that can be used to improve decision making and automation throughout agricultural activities. To accomplish this, some farmers are using the Internet of Things (IoT), which is new technology that allows objects to be sensed or controlled remotely across existing network infrastructures. Further, it can create opportunities for more direct integration of the physical world into computer-based systems, which can result in improved efficiency, accuracy, and economic benefits for SF users. Besides the new areas such as IoT, Cloud Computing, Cognitive Computing and Big Data, two fields have contributed to the development of SF: Precision Agriculture (PA) and Information Technology (IT). The present study analyzed SF’s innovative processes, beginning with the production of scientific knowledge through to SF’s final diffusion of these technologies into agriculture. The discussion and analysis are based on the theoretical contributions of the evolutionary economy and the techno-economic paradigms and were used to analyze technological revolutions. The work consisted of three distinct methodological steps First, to better understand the subject being studied, interviews were conducted with researchers and market professionals, from different areas, such as agriculture, electronics engineering and mechanization. During the second stage, text mining was used to analyze scientific literature on SF. In the third step an empirical research was carried out to analyze the adoption of SF technologies in real environment. To operationalize this step, a questionnaire was sent to grain farmers from the southern region of Brazil, which included ParanĂĄ, Santa Catarina, and Rio Grande do Sul. Since these grain' farmers produced 50% or more of the gross revenue in grains were included in the database. After the surveys were completed, the empirical data was used to analyze the adoption of these technologies. Based on the results, it was possible to infer that SF technologies are in the process of gestation and emergence. There has been intense scientific development in technologies, such as IoT and smart environments. Additionally, there has been a strong spillover effect from industries to agriculture. Because of this, it is expected that the number of SF innovations available to the market will grow over the next several years The study indicated main factors that a farmer chose to adopt SF were: potential increase in productivity, better process quality, cost reduction, and a greater knowledge of cultivated areas. Additionally, adding in these factors, education had the positive effect on the adoption of georeferenced soil sampling. The adoption of an autopilot spray pilot and management software was positively influenced by the size of the area. The results of the study have indicated that a higher level of schooling tends to increase the probability of adopting these technologies. It was also found that high equipment costs, the low qualification of rural workers, the precariousness of Internet access in Brazilian rural regions, and the need to insert a lot of data and information in specific programs available to take advantage of SF technologies are the main barriers faced by grain producers, which contribute to their delay in implementing SF technologies. Additionally, it has been verified that the machines used in the grain production systems are becoming digitalized—the availability of equipment with sensors and automated processes are rapidly increasing. However, from the famers’ perception, many technicians and consultants, such as agronomists and agricultural engineers, have not yet adapted to the new context of agriculture, with growing implementation of SF technologies amongst farmers. Thus, the question remains whether farmers and technical consultants can take advantage of available SF technologies and, if so, whether they can use these technologies to help them make decisions and monitor their farming practices. The results of this research can be used to further understand how SF technologies are being used among Brazilian grain producers.O Smart Farming (SF) Ă© um novo conjunto de tecnologias que podem ser usadas para melhorar a tomada de decisĂ”es e a automação em atividades agrĂ­colas. Para isso, alguns agricultores começaram a utilizar a Internet das Coisas (IoT), que Ă© uma tecnologia que permite que os objetos sejam detectados ou controlados remotamente em infraestruturas de rede existentes. Esse processo tende a criar oportunidades para uma integração mais direta do mundo fĂ­sico com sistemas baseados em computador, gerando maior eficiĂȘncia, precisĂŁo e benefĂ­cios econĂŽmicos para os usuĂĄrios de SF. AlĂ©m das novas ĂĄreas como IoT, Computação em Nuvem, Cognitive Computing e Big Data, dois campos contribuĂ­ram para o desenvolvimento de SF: Agricultura de PrecisĂŁo (AP) e Tecnologia da Informação (TI).A presente tese analisou o processo de inovação no contexto da SF, desde a produção de conhecimento cientĂ­fico atĂ© a fase de difusĂŁo dessas tecnologias na agricultura, sendo que, o objeto de estudo contemplou as propriedades rurais de grĂŁos. A discussĂŁo e anĂĄlise realizadas no trabalho tĂȘm como base teĂłrica o aporte da economia evolucionĂĄria e o paradigma tecnoeconĂŽmico usado para analisar revoluçÔes tecnolĂłgicas. O trabalho consistiu de trĂȘs etapas metodolĂłgicas distintas A primeira, de carĂĄter exploratĂłrio, foi realizada por meio de entrevistas com especialistas de diferentes ĂĄreas, visando melhor compreender o tema estudado. Na segunda etapa, realizou-se um levantamento na literatura cientĂ­fica acerca do tema. De posse dessas informaçÔes, operacionalizou-se uma pesquisa empĂ­rica para analisar a adoção dessas tecnologias no ambiente real. Para isso, foram aplicados 119 questionĂĄrios com produtores de grĂŁos da regiĂŁo Sul do Brasil (ParanĂĄ, Santa Catarina e Rio Grande do Sul), sendo adotada amostragem estratificada, pois foram considerados produtores cujas propriedades produzissem 50% ou mais da receita bruta em grĂŁos.Com base nos resultados, foi possĂ­vel inferir que as tecnologias de SF encontram-se no processo de gestação e emergĂȘncia. Observou-se um intenso desenvolvimento cientĂ­fico em tecnologias como IoT e ambientes inteligentes, bem como um forte efeito de "spillover" de outras indĂșstrias para a agricultura. Entretanto, espera-se que nos prĂłximos anos, o nĂșmero de inovaçÔes disponĂ­veis ao mercado na ĂĄrea de SF cresça. Os principais fatores de adoção de SF observados no trabalho foram: a) aumento de produtividade, b) melhor qualidade de processo, c) redução de custos, e d) maior conhecimento de ĂĄreas cultivadas. Da mesma forma, alguns fatores aumentaram a adoção de tecnologias em diferentes intensidades e maneiras. A educação teve o efeito significativo e positivo na adoção de tecnologias georeferenciadas de amostragem de solo A adoção do piloto de pulverização do piloto automĂĄtico e softwares de gerenciamento teve influĂȘncia positiva do tamanho da ĂĄrea. Os resultados da tese sinalizaram que um maior grau de escolaridade, tende a aumentar probabilidade de adoção dessas tecnologias. As principais barreiras que atrasam a entrada dos produtores de grĂŁos na SF foram: a) o preço dos equipamentos, b) baixa qualificação do trabalho rural c) a precariedade do acesso Ă  Internet nas regiĂ”es rurais brasileiras, e d) necessidade de inserir muitos dados e informaçÔes em software. Verificou-se assim que as mĂĄquinas empregadas nos sistemas produtivos de grĂŁos estĂŁo passando pelo processo de digitalização, especialmente pelo aumento da disponibilidade de equipamentos com sensores e processos automatizados. No entanto, na percepção do produtor rural, grande nĂșmero de tĂ©cnicos e consultores ainda nĂŁo estĂĄ adaptado ao novo contexto da agricultura. Com isso, permanece o questionamento acerca da capacidade do produtor e dos consultores tĂ©cnicos de acompanhar e aproveitar o potencial das tecnologias de SF na tomada de decisĂŁo na propriedade rural. Os resultados desse trabalho, inĂ©ditos no contexto brasileiro, avançam no sentido de compreender a difusĂŁo da SF no contexto brasileiro

    Comparative Analysis Association and Prediction of Various Phenotypic Traits of Oryza Sativa

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    Understanding the genotype-phenotype relationship and accurately predicting breeding values are crucial aspects of crop improvement programs. This paper investigates the genetic basis ,association of phenotypic trait height and yield and predicts the phenotypic traits of Oryza Sativa (rice) through a comprehensive approach encompassing genome-wide association studies (GWAS), phylogenetic analysis, machine learning algorithms, and the development of a graphical user interface (GUI) application. Genotypic and phenotypic data were collected from the RiceVarMap database. The genotypic information consisted of gene variation IDs, while the phenotype data included plant height. Data preprocessing involved the creation of a sequence. fasta file and multiple sequence alignment using the ClustalW tool. A phylogenetic tree was then constructed to analyse the subpopulations of Oryza Sativa. Clustering techniques were applied to further explore the genetic relationships among the samples. A GWAS file was generated to identify associations between genotype and phenotype. Subsequently, machine learning algorithms were employed for the classification and prediction of genomic estimated breeding values (GEBV) for height and yield traits. Random Forest emerged as the most accurate algorithm with 85% accuracy. To facilitate user interaction and data exploration, a GUI application was developed using Flask, allowing users to access the phylogenetic tree, height, and yield information, GWAS results, and make predictions.  We explored there is a strong positive association between phenotypic trait height and yield

    Trends of Engineering Systems Evolution and Agricultural Technology

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    The new products are certainly decisive for achieving the business success of companies involved in the design and production of agricultural technology. Reducing the risk in the development and introduction of new technical products is the goal of analyzing the evolution of technical products. Effective innovation engineering procedures in the conceptual design phase do not use deductive methods such as brainstorming, but use more advanced methods with varying degrees of detail to describe the identified trends in the evolution of technology. In the case of this chapter, we will focus on so-called trends of engineering systems evolution. They describe natural transitions of the engineering system from one state to another, and are generally valid for all engineering disciplines. These are guides to the directions of development and their individual development phases, which should keep track of innovated products (through innovation, improvements and combinations of successful systems and technologies) so that users\u27 needs are met more. Trends are generally the basis of modern technological forecasting and strategic planning. Unlike conventional forecasting methods, knowledge of trends can more accurately predict the problems associated with the introduction of new technologies and thus increases the probability of success of the chosen solution

    Technological change and international competitiveness: the case of Switzerland.

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    The paper presents the preliminary results of a research project on the relationship between technological and trade performance with a special focus on Switzerland. The analysis is based on two sources of data: a dataset based on patent applications by firms from major industrialized countries to the European Patent Office (EPO) and a data set on export flows of OECD countries (IMPEX database). For both datasets, the period of time is 1980-1992. The analysis is carried out both for the whole aggregate of manufacturing sectors (WS49) and for a subsample of high-tech sectors (HT49). In the first part of the paper, the relationship between trade and technological variables is analyzed descriptively using indexes of technological (RTA) and trade specialization (RCA). Then, in the second part of the paper, the relationship between trade and technological specialization is analyzed using econometric techniques and exploiting the information contained in the datasets along three dimensions: country, sector, time. Finally, sectoral and geographical patterns of innovative activities are analyzed for the case of Switzerland. The paper broadly confirms the existence of a positive relationship between technological and trade specialization. Such relationship is also stable over time. However, the relationship is not very strong and it holds differently across countries.
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