bachelorThesis
Implementação de controle de temperatura do tipo split-range (faixa dividida) em um sistema de refrigeração
Fecha
2016Registro en:
SILVA JUNIOR, Vivaldo Alexandre da. Implementação de controle de temperatura do tipo split-range (faixa dividida) em um sistema de refrigeração. 2016. 60f. Trabalho de Conclusão de Curso (Graduação em Engenharia Química), Departamento de Engenharia Química. Universidade Federal do Rio Grande do Norte, Natal, 2016.
Autor
Silva Junior, Vivaldo Alexandre da
Resumen
This study consisted in assembling a laboratory unit equipped with a cooling control system developed based on a strategy of the split-range type for liquid temperature control. After a system open loop analysis, it was found that the behavior of the output variable (temperature) for the two manipulated inputs (acting on the power and resistance refrigeration unit) resulted in pure capacity type systems. Based on the concepts of the proportional controller is able to avoid off-set in pure capacity systems, such type was chosen to close the loop with Split-range strategy reverse sequential action, acting in the electrical resistances for heating and condensing unit for cooling. Tests were conducted in closed loop with different values for the proportional gain controller and a performance analysis was based on the absolute errors integration method (IAE). From this study it was possible to asses the best controller parameters that were adapted to the process.
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