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Doctoral Thesis
DOI
10.11606/T.18.2017.tde-21112017-160424
Document
Author
Full name
John Faber Archila Diaz
E-mail
Institute/School/College
Knowledge Area
Date of Defense
Published
São Carlos, 2016
Supervisor
Committee
Becker, Marcelo (President)
Carvalho, José Reginaldo Hughes
Dedini, Franco Giuseppe
Milori, Debora Marcondes Bastos Pereira
Pinto, Fernando Augusto de Noronha Castro
Title in English
Design of a Rover to precision agriculture applications
Keywords in English
Mobile robotics
Pasive suspension
Precision agriculture
Rover
Abstract in English
The population growth associated with natural resources shortage, food demand increasing and the lack of manpower for agricultural activities generate important challenges to agriculture and engineering. The challenges imply the improvement of productivity with fewer resources, This scenario is consisted parameters that generally are in opposite directions. This work presents the development of a rover to agriculture (R2A) to support agriculturescouting tasks, the tasks will be in the future important tools to improve the productivity and enable the use of less agricultural supplies. The research presents the development of a rover for agriculture (R2A) to support scouting tasks; tasks that in the future will improve productivity and allowed the use of less agricultural supplies. The study begins with a bibliographic review of Robots for agriculture, Rovers, and agricultural Rovers developed by different research institutions. After the review is presented the work methodology based on mechanic and mechatronic design methodologies; in the development of the methodology are presented the general crop characteristics, the proposed of scouting tasks, the benchmarking developing mathematical models, CAD (Computer Aided Design ) models, simulations and tests in order to know the different features of the Rovers and agricultural robots. Using the knowledge gained in the course of work is proposed the concept of a rover for agriculture R2A, the concept is compared in simulations, and developed the detailed design using CAE tools (Computer Aided Engineering) after it built a prototype and tested. As results are presented comparative simulations of R2A, their mathematical modeling, R2A simulations in ideally conditions highlighting their skills, and finally R2A tests and comparison are presented.
Title in Portuguese
Projeto de um Rover para aplicações de agricultura de precisão
Keywords in Portuguese
Agricultura de precisão
Robótica móvel
Rover
Suspensão passiva
Abstract in Portuguese
O crescimento populacional associado à escassez de recursos naturais, a crescente demanda alimentar e a falta de mão de obra para as actividades agrícolas geram importantes desafios para a agricultura e a engenharia. Os desafios implicam a melhoria da produtividade com menos recursos. O cenário é constituido por parâmetros que geralmente estão em direções opostas. O trabalho apresenta o desenvolvimento de um rover para agricultura (R2A) para suportar tarefas de Scouting, tarefas que no futuro melhorarão a produtividade e permitirão o uso de menos subministros agrícolas. O estudo começa pela revisão bibliográfica de Robôs para agricultura, Rovers e Rovers agrícolas desenvolvidos por diferentes instituições de pesquisa. Apos a revisão é apresentada a metodologia do trabalho baseada nas metodologias de projeto mecânico e mecatrônico; no desenvolvimento da metodologia são apresentadas as caraterísticas das culturas de maneira geral, a proposta de tarefas de Scouting, o benchmarking desenvolvendo modelos matemáticos, modelos CAD (Computer Aided Design) simulações e testes com o intuito de conhecer as diferentes caraterísticas dos Rovers e Robôs agrícolas. Usando o conhecimento no decorrer do trabalho é proposto o conceito do rover para agricultura R2A, o conceito é comparado em simulações, e feito o projeto detalhado usando ferramentas CAE (Computer Aided Enginnerring), após é construído o protótipo, e testado. Como resultados são apresentadas simulações comparativas do R2A, a sua modelagem matemática, simulações do R2A em condições ideais, destacando as suas capacidades, e finalmente são apresentados os testes e comparações do R2A.
 
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Publishing Date
2017-11-22
 
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