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Closed Loop Control at Engine Management System MOTRONIC
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English
Abstract
Engine management control systems basically consist of injection and ignition control. Additionally, closed loop control systems incorporating air fuel ratio control, automatic idle speed control and cylinder selective knock control have proven to be essential.
To keep the performance stable during the car's lifetime, extensive use is made of self-adaptive strategies. As a new feature of engine management control, the self-adaptive canister purge control improves driveability and prevents the leakage of fuel vapors. To simplify the closed loop control algorithms primarily during transient operation conditions a sophisticated sequential fuel injection is added. The paper presents the aforementioned self-adaptive closed loop control strategies and the MOTRONIC MI. 3 ECU. Future development trends in engine management and drive train control demand powerful communication links like the Controller Area Network (CAN). This requirement and its planned realisation is discussed.
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Citation
Kaiser, G., Zechnail, M., and Plapp, G., "Closed Loop Control at Engine Management System MOTRONIC," SAE Technical Paper 880135, 1988, https://doi.org/10.4271/880135.Also In
Engine and Driveline Control Systems-New Developments and Trends
Number: SP-0739; Published: 1987-02-01
Number: SP-0739; Published: 1987-02-01
References
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