Study On Hardware Design Of Electronic Control System Of Gasoline Engine

Automotive technology is rapidly incorporating increasingly sophisticated safety andautomation features. These advances have resulted in an ever increasing dependenceon electronics. With car costs expected to remain at roughly the same level, new costsfor electronic components must displace the existing cost of some mechanicalcomponents. The complexity of automotive electronics and related software continuesto increase. Microcontrollers are getting faster and their shrinking die size, expandingmemory, and low power consumption enable designers to find innovative methods ofdevelopment and standardization. The recent trend is to use smart sensors andactuators with built in processors, resulting in enhanced safety, security, and emissioncompliance. There is a need to synchronize the systems, a key accomplishment fornext generation powertrain and vehicle management systems. The newest challengesare in architecting, defining, designing, managing, and integrating these components inthe main system. This is the task I have taken in my project.The automotive industry supplies a host of advanced technologies all in the name ofsafety, economy, comfort, and luxury. These advancements include anti lock brakingsystem (ABS), air bags, traction control, automatic and tiptronic transmission systems.Engine management systems have been developed by a multitude of variouscompanies around the world, all having the same goal; to improve engine performance,better fuel efficiency and reduce emissions. These are all tasks that require fullcomprehension of the problem and an understanding of how the improvement of onefactor can lead to the degradation of other systems. That is why the field of electronicsneeds continuous research and development.This thesis mainly describes hardware design and development for an ElectronicControl system for a gasoline engine.The control software design is also included in this thesis. The necessary calibrationexperiments and engine performance tests were carried out to validate the functionsand reliability of the self developed electronic control system.