Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 8 of 8 for “"Engine control system"”.
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Applicability of hybrid methods in engine control system design
The new control techniques of off-line model predictive control and level set methods have been applied to the challenges of engine management for diesel exhaust aftertreatment. Theoretical work has been supported by experiments carried out in a diesel engine test cell. A control relevant air-path …
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Improving gas turbine engine control system component optimization by delaying decisions
… (S.M.)--Massachusetts Institute of Technology, System Design & Management Program, 2003.
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Stability and Performance of Propulsion Control Systems with Distributed Control Architectures and Failures
Future aircraft engine control systems will be based on a distributed architecture, in which, the sensors and actuators will be connected to the Full Authority Digital Engine Control (FADEC) through an engine area network. Distributed engine control architecture will allow the implementation of …
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Optimizing diesel engine efficiency using the controllability of a variable ratio hydrostatic transmission
"A linear mathematical model of a diesel engine, hydrostatic transmission, and electric dynamometer system was developed. This model was used as an aid in designing a single input controller which regulates engine speed to optimize efficiency while maintaining constant transmission output speed …
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System theoretic framework for assuring safety and dependability of highly integrated aero engine control systems
The development of complex, safety-critical systems for aero-engine control is subject to the, often competing, demands for higher safety and reduced development cost. Although the commercial aerospace industry has a general good safety record, and has placed much emphasis on process improvement …
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Development of a high efficiency dilute gasoline engine
Development of a High Efficiency Dilute Gasoline Engine (HEDGE) and control system for use in the Challenge X design competition encompasses the body of this work. The HEDGE concept embodies running an engine on gasoline at Diesel-like compression ratios. This is accomplished through extreme …
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Diluted Operation of a Heavy-Duty Natural Gas Engine - Aiming at Improved Effciency, Emission and Maximum Load
Most heavy-duty engines are diesel operated. Severe emission regulations, high fuel prices, high technology costs (e.g. catalysts, fuel injection systems) and unsustainably in supplying fuel are enough reasons to convenience engine developers to explore alternative technologies or fuels. Using …
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Model-Based Control of Gasoline Partially Premixed Combustion
… Combustion (PPC) is an internal combustion engine concept that aims to yield low NOx and soot emission levels together with high engine efficiency. PPC belongs to the class of low temperature combustion concepts where the ignition delay is prolonged in order to promote the air-fuel-mixture …