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Model-based turbocharged diesel engi...

Kao, Ming-Hui.

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Model-based turbocharged diesel engine control and diagnostics using nonlinear sliding control and observers.

Record Type:	Language materials, printed : Monograph/item
Title/Author:	Model-based turbocharged diesel engine control and diagnostics using nonlinear sliding control and observers./
Author:	Kao, Ming-Hui.
Description:	197 p.
Notes:	Source: Dissertation Abstracts International, Volume: 55-07, Section: B, page: 2970.
Contained By:	Dissertation Abstracts International55-07B.
Subject:	Engineering, Automotive. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=9420078

Model-based turbocharged diesel engine control and diagnostics using nonlinear sliding control and observers.
Kao, Ming-Hui.

Model-based turbocharged diesel engine control and diagnostics using nonlinear sliding control and observers. - 197 p.

Source: Dissertation Abstracts International, Volume: 55-07, Section: B, page: 2970.

Thesis (Ph.D.)--The University of Wisconsin - Madison, 1994.

Sliding mode control and observers are used to develop turbocharged diesel engine control and diagnostics based on representative nonlinear dynamic engine models. Both a mean torque production and a cylinder-by-cylinder turbocharged diesel engine model are presented. The sliding observer and global linearized observer are applied to reconstruct cylinder pressure from the varying engine speed measurement. This is the first model-based nonlinear observer approach that has been designed for cylinder pressure estimation. The strengths of adding cylinder pressure dynamics to varying crankshaft dynamics and the use of sliding observer are shown. Engine misfire can be detected by using the observer correcting terms, cylinder pressure estimate, fuel burning rate estimate, or estimated heat release.Subjects--Topical Terms:

1018477
Engineering, Automotive.

Model-based turbocharged diesel engine control and diagnostics using nonlinear sliding control and observers.
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008 110427s1994 eng d
035 $a (UnM)AAI9420078
035 $a AAI9420078
040 $a UnM $c UnM
100 1 $a Kao, Ming-Hui. $3 1253183
245 1 0 $a Model-based turbocharged diesel engine control and diagnostics using nonlinear sliding control and observers.
300 $a 197 p.
500 $a Source: Dissertation Abstracts International, Volume: 55-07, Section: B, page: 2970.
500 $a Supervisor: John J. Moskwa.
502 $a Thesis (Ph.D.)--The University of Wisconsin - Madison, 1994.
520 $a Sliding mode control and observers are used to develop turbocharged diesel engine control and diagnostics based on representative nonlinear dynamic engine models. Both a mean torque production and a cylinder-by-cylinder turbocharged diesel engine model are presented. The sliding observer and global linearized observer are applied to reconstruct cylinder pressure from the varying engine speed measurement. This is the first model-based nonlinear observer approach that has been designed for cylinder pressure estimation. The strengths of adding cylinder pressure dynamics to varying crankshaft dynamics and the use of sliding observer are shown. Engine misfire can be detected by using the observer correcting terms, cylinder pressure estimate, fuel burning rate estimate, or estimated heat release.
520 $a The intake manifold pressure observer is used to reconstruct the manifold pressure that has sensor delay and noise problems. An engine load observer is outlined by using the engine mean speed dynamics and a simple step load change assumption. A similar approach is applied to estimate the average fuel-air equivalence ratio. Sliding mode theory is used in the design process to guarantee the engine observers' convergence and robustness.
520 $a Several nonlinear diesel engine controllers including four variations of sliding mode controls, PI control, and PI control with feedforward are discussed. Sliding mode and PI feedforward controls are used to formulate diesel engine controllers and indicated torque input observers. An interesting and fair comparison is done by including nonlinear dynamic terms in both indicated torque input observers. Cylinder pressure and indicated torque estimates which come from these model-based observers are analyzed and related to combustion faults. The cylinder pressure centroid location can be easily used for misfire detection. Derivations of cylinder pressure difference approaches are discussed. Advanced automotive powertrain systems will benefit from using these model-based observers and controllers inside their electronic control modules.
590 $a School code: 0262.
650 4 $a Engineering, Automotive. $3 1018477
650 4 $a Engineering, Electronics and Electrical. $3 626636
650 4 $a Engineering, Mechanical. $3 783786
690 $a 0540
690 $a 0544
690 $a 0548
710 2 0 $a The University of Wisconsin - Madison. $3 626640
773 0 $t Dissertation Abstracts International $g 55-07B.
790 $a 0262
790 1 0 $a Moskwa, John J., $e advisor
791 $a Ph.D.
792 $a 1994
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=9420078