Valdemir Martins Lira

ORCID: 0000-0003-3258-4664
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About
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Research Areas
  • Advanced machining processes and optimization
  • Manufacturing Process and Optimization
  • Advanced Machining and Optimization Techniques
  • Wind Turbine Control Systems
  • Microgrid Control and Optimization
  • Water-Energy-Food Nexus Studies
  • Mechanical and Thermal Properties Analysis
  • Islanding Detection in Power Systems
  • Hybrid Renewable Energy Systems
  • Multilevel Inverters and Converters
  • Additive Manufacturing and 3D Printing Technologies
  • Robot Manipulation and Learning
  • Material Selection and Properties
  • Advanced Measurement and Metrology Techniques
  • Wind Energy Research and Development
  • Advanced Surface Polishing Techniques
  • Industrial Automation and Control Systems

Universidade Federal do ABC
2016-2025

This report concerns a data acquisition system with the final idea of measuring cutting force in threading process done on conventional lathe. Analytical models are used to find depth cut machining tool. is important because can be responsible for tool collapse by plastic edge deformation. The was obtained through direct measurements selected samples. allows obtaining more realistic compared analytical estimation from theory. implemented LabView®, and it allowed analyzing several variables...

10.15446/dyna.v85n207.67537 article EN cc-by-nc-nd DYNA 2018-10-01

Neste artigo é proposto um algoritmo de controle direto potência, operando a velocidade variável e robusto às variações nos parâmetros gerador indução duplamente alimentado, cuja aplicação realizada em sistemas eólicos condições normais operação. O controlador possui duas malhas controle: uma para o desacoplamento do fluxo estator outra malha Deadbeat. calcula vetor tensão fornecido ao rotor fim garantir que potência ativa reativa atinjam seus valores referência desejados. A dependência dos...

10.18618/rep.2017.3.2682 article PT Eletrônica de Potência 2017-09-30

This paper analyzes the qualitative and quantitative characteristics of different technologies used to automate a particular process. In this way, we have analyzed drilling metal parts for specific product. According some part features volume, three systems (electrical controls, PLC microprocessing) were implemented compared, establish best industrial implementation.

10.1109/tla.2016.7483500 article EN IEEE Latin America Transactions 2016-04-01
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