ARAUJO, S. W. S.; http://lattes.cnpq.br/4141423482266841; ARAUJO, Sydeney Wagner Silva. (BrasilCentro de Engenharia Elétrica e Informática - CEEIUFCGUniversidade Federal de Campina Grande, 2018)
In a feedback loop control system, the use of sensors is fundamental to
determine de error signal between the measured quantity and the desired value.
However, in situations that the controlled variable can’t be measured, ...