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Gasoline electronic throttle control technology research

Author: CuiRu
Tutor: ChangSiQin
School: Nanjing University of Technology and Engineering
Course: Vehicle Engineering
Keywords: Gasoline Engine ECU ETC Control Strategy Hardware System Software System
CLC: U464.171
Type: Master's thesis
Year: 2009
Downloads: 405
Quote: 4
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Abstract


Electronic Throttle Control System (ETC) is an important component in engine electronic control system, has a great impact on vehicle driving force, safety, comfort and fuel economy, is one of the urgent key issues in automotive electronic technology. The development of ETC assembly has an important academic and practical meaning, considering nowaday domestic status of ETC research and application. This project carries out the development of Electric Control Unit (ECU) for ETC on basic of academic and test research, and eventually actualizes accurate control to the throttle.This paper, firstly, analyses the basic working principle and characteristics of ETC, studies the basic control strategy of ETC systemically, and designs the ETC control strategy in this project.Secondly, designs the ECU hardware system on basic of IC P89C668, designs the ECU software system on basic of the hardware system and the control strategy designed above, and eventually actualizes the main part design of the ETC.Finally, carries out the integration test of the ETC. The test indicates that, the ETC system has excellent follow performance; precision control to throttle. The system has a good overall performance, which can further verify the control performances of the ECU and its control strategy.

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CLC: > Transportation > Road transport > Automotive Engineering > Automotive engine > Reciprocating engine > Various types of reciprocating engines > Gasoline
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