Diesel Engine Advanced Multi-Mode Combustion Control and Generalized Nonlinear Transient Trajectory Shaping Control Methods

Bibliographic Details
Main Author:	Yan, Fengjun
Language:	English
Published:	The Ohio State University / OhioLINK 2012
Subjects:	Mechanical Engineering Diesel engine advanced combustion mode nonlinear control estimation
Online Access:	http://rave.ohiolink.edu/etdc/view?acc_num=osu1337887426

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spelling	ndltd-OhioLink-oai-etd.ohiolink.edu-osu13378874262021-08-03T06:05:17Z Diesel Engine Advanced Multi-Mode Combustion Control and Generalized Nonlinear Transient Trajectory Shaping Control Methods Yan, Fengjun Mechanical Engineering Diesel engine advanced combustion mode nonlinear control estimation <p>This dissertation addresses the Diesel engine advanced combustion mode switching transient control and the generalized nonlinear non-equilibrium transient trajectory shaping (NETTS) control problem.Control-oriented models for air- and fuel-path loops were systematically introduced. Models and observers for in-cylinder conditions (ICCs) at the crank angle of intake valve closing were proposed such that the sophisticated Diesel engine combustion control can be promoted from the intake manifold level to the in-cylinder level. Temperature signal reconstruction and in-cylinder wall temperature estimation methods were developed to satisfy the transient control requirements and the sophisticated control on auto-ignitions. Singular perturbation control method on dual-loop exhaust gas recirculation (EGR) and air-/fuel- paths coordinating control algorithms were devised and applied in the combustion mode transition controls. Simulations by a high-fidelity 1D GT-Power Diesel engine model and experiments on a fully-instrumented medium-duty Diesel engine test bench were conducted to show the effectiveness of the aforementioned models, observers, and control algorithms.</p><p>From a general engineering application viewpoint, the advanced combustion mode switching transient control problem can be generalized into a broader scope of nonlinear system control. Based on this motivation, generalized nonlinear system non-equilibrium transient trajectory shaping (NETTS) problems were addressed. By the proposed trajectory shaping control methods, the transient tracking error trajectories of a class of nonlinear systems can be shaped within the pre-defined boundaries, in terms of constant series, partial time-varying three-stage boundaries, symmetric time-varying boundaries, and asymmetric time-varying boundaries, before arriving at the equilibrium state. Besides the shaping of the transient tracking errors, the input constraints for the NETTS were considered.</p> 2012-06-25 English text The Ohio State University / OhioLINK http://rave.ohiolink.edu/etdc/view?acc_num=osu1337887426 http://rave.ohiolink.edu/etdc/view?acc_num=osu1337887426 unrestricted This thesis or dissertation is protected by copyright: all rights reserved. It may not be copied or redistributed beyond the terms of applicable copyright laws.
collection	NDLTD
language	English
sources	NDLTD
topic	Mechanical Engineering Diesel engine advanced combustion mode nonlinear control estimation
spellingShingle	Mechanical Engineering Diesel engine advanced combustion mode nonlinear control estimation Yan, Fengjun Diesel Engine Advanced Multi-Mode Combustion Control and Generalized Nonlinear Transient Trajectory Shaping Control Methods
author	Yan, Fengjun
author_facet	Yan, Fengjun
author_sort	Yan, Fengjun
title	Diesel Engine Advanced Multi-Mode Combustion Control and Generalized Nonlinear Transient Trajectory Shaping Control Methods
title_short	Diesel Engine Advanced Multi-Mode Combustion Control and Generalized Nonlinear Transient Trajectory Shaping Control Methods
title_full	Diesel Engine Advanced Multi-Mode Combustion Control and Generalized Nonlinear Transient Trajectory Shaping Control Methods
title_fullStr	Diesel Engine Advanced Multi-Mode Combustion Control and Generalized Nonlinear Transient Trajectory Shaping Control Methods
title_full_unstemmed	Diesel Engine Advanced Multi-Mode Combustion Control and Generalized Nonlinear Transient Trajectory Shaping Control Methods
title_sort	diesel engine advanced multi-mode combustion control and generalized nonlinear transient trajectory shaping control methods
publisher	The Ohio State University / OhioLINK
publishDate	2012
url	http://rave.ohiolink.edu/etdc/view?acc_num=osu1337887426
work_keys_str_mv	AT yanfengjun dieselengineadvancedmultimodecombustioncontrolandgeneralizednonlineartransienttrajectoryshapingcontrolmethods
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Diesel Engine Advanced Multi-Mode Combustion Control and Generalized Nonlinear Transient Trajectory Shaping Control Methods

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