Machine Design
Mostrando 1-12 de 171 artigos, teses e dissertações.
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1. DESIGN AND EXPERIMENT OF SELF-PROPELLED SYSTEM FOR PADDY FIELD WEEDER BASED ON THE INTERACTION MECHANISM OF WHEEL-SOIL
ABSTRACT Aiming at the low mechanization of paddy field weeding and lack of dedicated agricultural machinery for paddy field weeding in China, a self-propelled system of paddy field weeding machine was designed. The overall structure and working principle of self-propelled system were illustrated and analyzed. The interaction mechanism of wheel-soil during w
Engenharia Agrícola. Publicado em: 2022
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2. Design and implementation of sequential fruit size sorting machine
RESUMO Este estudo tem como objetivo desenvolver uma máquina classificadora por tamanho de frutas simples e de fácil construção. A máquina de classificação foi projetada para classificar laranjas, maçãs e ameixas amarela em grupos de tamanho pequeno, médio, grande e extra grande, classificando de acordo com as propriedades físicas e mecânicas, in
Revista Brasileira de Engenharia Agrícola e Ambiental. Publicado em: 2022
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3. Quality of Stylosanthes Campo Grande seeds coated with different materials
ABSTRACT The seed coating technique adds value to the seeds. This technique allows changing the seed size and shape, facilitating sowing, and also the application of essential nutrients to the good development of the plant in the post-germination phases. Therefore, the objective of this work was to evaluate the physical and physiological characteristics of S
Rev. Ceres. Publicado em: 2021-08
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4. DOES MOISTURE IN PODS INTERFERE WITH MECHANIZED HARVESTING OF PEANUTS?
ABSTRACT Although peanut harvesting results in significant losses, it has rarely been investigated. Thus, this study aimed to analyze the interference of different pod moisture contents on peanut harvesting and their influence on the process quality based on losses and impurities. An experiment was performed in a peanut seed producing area, in Luzitânia, di
Eng. Agríc.. Publicado em: 2021-02
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5. Effect of Egg Position in the Incubator on Broiler Hatching Results
ABSTRACT This study investigated whether the effect of egg location during incubation on hatching results in broiler eggs. For this purpose, a total of 756 broiler eggs were incubated for 21 days. The eggs were divided near the door and near the fan, and distributed on top (216 eggs), 324 in the middle (324 eggs), and in the bottom (216 eggs) according to a
Braz. J. Poult. Sci.. Publicado em: 20/12/2019
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6. Influence of a Retentive Shoulder Design to Prevent Early Failure of Three Core Build-Ups
Resumo Este estudo avaliou a influência de um preparo retentivo em forma de ombro para prevenir a falha precoce de núcleos de preenchimento realizados em molares com 3 diferentes tipos de resina composta. Noventa e seis terceiros molares superiores hígidos extraídos de humanos, foram divididos em dois grupos (n=48) de acordo com o tipo de redução oclus
Braz. Dent. J.. Publicado em: 28/11/2019
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7. Estimating credit and profit scoring of a Brazilian credit union with logistic regression and machine-learning techniques
Abstract Purpose Although credit unions are nonprofit organizations, their objectives depend on the efficient management of their resources and credit risk aligned with the principles of the cooperative doctrine. This paper aims to propose the combined use of credit scoring and profit scoring to increase the effectiveness of the loan-granting process in cre
RAUSP Manag. J.. Publicado em: 25/11/2019
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8. On-load Back-EMF Optimization Based on the Back-EMF MST Method and Parametric Optimization
Abstract This paper proposes an optimal design for a surface mounted permanent magnet synchronous machine (SM-PMSM) based on parametric optimization process to reduce the on-load Back-EMF distortions caused by an increase in the electromagnetic load and in the saturation. Unlike conventional methods described in the literature, the optimization approach prop
J. Microw. Optoelectron. Electromagn. Appl.. Publicado em: 12/09/2019
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9. Neuromarketing and its implications for operations management: an experiment with two brands of beer
Resumo A neurofisiologia do comportamento do consumidor e as experiências sensoriais estão crescendo em resultados de pesquisa e importância para as atividades operacionais devido à possibilidade de projetar produtos e processos mais adequados às necessidades dos consumidores. Além disso, há uma grande variedade de aplicações no chão de fábrica, c
Gest. Prod.. Publicado em: 29/08/2019
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10. Application of Support Vector Machine and Finite Element Method to predict the mechanical properties of concrete
Abstract Compressive strength and Young’s modulus are the main properties used in the design of concrete structures. They are responsible for the cost, safety and dimensioning of the structure, and are generally measured in expensive and time-demanding tests. This fact encourages researches for fast and cost-effective methods to investigate the concrete’
Lat. Am. j. solids struct.. Publicado em: 12/08/2019
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11. EXPERIMENT OF A SWING SEPARATING SIEVE ON A POTATO DIGGER
ABSTRACT For the purpose of achieving the distribution of the potato-soil mixture and the appropriate parameters of the swing separating sieve, we conducted experiments using the 4SW-170 potato digger. The experiments consisted of two parts. In each part, the experimental factors were crank rotational speed, sieve inclination and machine forward speed. The d
Eng. Agríc.. Publicado em: 12/08/2019
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12. The use of X-ray to evaluate Brachiaria brizantha seeds quality during seed processing
RESUMO O teste de raios X permite a visualização das estruturas internas das sementes de modo não destrutivo e individualizado, possibilitando o diagnóstico de causas da baixa germinação e pureza de um lote. O objetivo do trabalho foi avaliar a qualidade das sementes de Brachiaria brizantha utilizando-se o teste de raios X e o efeito das etapas de bene
Rev. Ciênc. Agron.. Publicado em: 04/07/2019