Output feedback strict passivity of discrete-time nonlinear systems and adaptive control system design with a PFC

Automatica ◽  
2010 ◽  
Vol 46 (9) ◽  
pp. 1503-1509 ◽  
Author(s):  
Ikuro Mizumoto ◽  
Satoshi Ohdaira ◽  
Zenta Iwai
Keyword(s):  
Adaptive Control ◽  
Control System ◽  
Nonlinear Systems ◽  
System Design ◽  
Discrete Time ◽  
Output Feedback ◽  
Control System Design ◽  
Adaptive Control System

Adaptive Combustion Control System Design of Diesel Engine via ASPR Based Adaptive Output Feedback with a PFC

2016 ◽  
Vol 28 (5) ◽  
pp. 664-673 ◽  
Author(s):  
Ikuro Mizumoto ◽  
◽  
Seiya Fujii ◽  
Jyunpei Tsunematsu
Keyword(s):  
Adaptive Control ◽  
Control System ◽  
Diesel Engine ◽  
Output Feedback ◽  
Combustion Model ◽  
Control System Design ◽  
Combustion Control ◽  
Adaptive Control System ◽  
Controlled System ◽  
Engine Combustion

[abstFig src='/00280005/07.jpg' width='300' text='Adaptive engine combustion control system' ] This paper deals with a combustion control system design problem of diesel engine. For a combustion model of diesel engine, which has been provided for on-board control, an adaptive control system based on an adaptive output feedback control with a simple adaptive feedforward input will be proposed based on the “almost strictly positive real-ness” (ASPR-ness) of the controlled system. A simple parallel feedforward compensator (PFC) design scheme, which renders the resulting augmented controlled system ASPR, will also be proposed based on basic combustion model properties to design stable adaptive control system for the diesel engine combustion control. The effectiveness of our proposal is confirmed through numerical simulation.

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