Banca de QUALIFICAÇÃO: EMANOEL RAIMUNDO QUEIROZ CHAVES JUNIOR

Uma banca de QUALIFICAÇÃO de DOUTORADO foi cadastrada pelo programa.
DISCENTE : EMANOEL RAIMUNDO QUEIROZ CHAVES JUNIOR
DATA : 19/12/2016
HORA: 17:00
LOCAL: Auditório do LAUT
TÍTULO:

Compensação de Falhas em Sensores com o Método da Lei de Controle Aditiva

Sensors Fault Compensation Using Additive Law

PALAVRAS-CHAVES:

Faul-tolerant control, aditive control law, fault estimation, fault accomodation, unknown input observer, linear discrete control.

PÁGINAS: 46
GRANDE ÁREA: Engenharias
ÁREA: Engenharia Elétrica
SUBÁREA: Eletrônica Industrial, Sistemas e Controles Eletrônicos
ESPECIALIDADE: Controle de Processos Eletrônicos, Retroalimentação
RESUMO:

Over the years process control have become more complex, containing a large number
of components that work together. Any of these components is subject to defects or
malfunctions. All of these factors are defined as failures, which in turn have unexpected
variations in the characteristic properties of a given component relative to its nominal
operating condition. The consequences of failure can cause economic loss and take risk
to the lives of workers in the room. A fault-tolerant control system is able to maintain
control process working with adequate performance even in the presence of faults. In
its active approach, the nominal controller is reconfigured so that the effect of failure
is accommodated. This paper discusses a control technique for fault tolerant sensors
comprising the use of a particular signal that is added to the nominal control law so that
the effect of a fault is mitigated. This additional input is generated based on the estimate
of that failure, in turn, is obtained by an unknown input observer (UIO). The operation of
this method is verified by computer simulations based on a study of case involving a level
control process in two tanks.

MEMBROS DA BANCA:
Presidente - 350693 - ANDRE LAURINDO MAITELLI
Interno - 2579664 - ALLAN DE MEDEIROS MARTINS
Interno - 1451883 - FABIO MENEGHETTI UGULINO DE ARAUJO
Externo à Instituição - OSCAR GABRIEL FILHO - PETROBRAS