Abstract
This chapter reviews the state-of-the-art in diesel engine control and the advanced technologies. Digital control of diesel engines can solve many of the traditional engine control problems: cold start, governing, torque curve definition, transient smoke emission, load acceptance and response, and basic engine protection, which were once controlled with mechanical or simple electrical elements. A key challenge facing diesel engine designers today and in the future is the development of technologies that simultaneously improve upon the traditional virtues of the diesel engine, while meeting increasingly stringent emission standards, at manufacturing costs competitive with alternative prime movers. Key technologies driving the dramatic progress in diesel engine performance, fuel economy, and emissions are: Full-authority electronic controls and on-board diagnostics, advanced electronic fuel systems, exhaust gas recirculation, variable geometry turbo charging, and advanced exhaust after treatment. This chapter reviews each of these key technologies and relates them to the needs of both light- and heavy-duty automotive diesel engines.
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