Vehicle supercharged engine is more likely to induce knock due to its working characteristics. Super knock can reduce the performance of engine and damage the engine for a short period of time, but the power and fuel economy will improve when the engine working at the slight knock state. In this paper, a systematic study is carried out to identify knock based on the knock sensor signal, which is designed to improve the accuracy of knock recognition and knock intensity determination, ensuring that the program can adjust the control parameters according to the strategy, so as to effectively suppress the continuous knock. The results show that the method studied in this paper can accurately identify the knock phenomenon and evaluate the knock intensity based on the sensor signal.
Research on Knock Test Analysis Method and Sensor Signal Recognizability
Lect. Notes Electrical Eng.
Society of Automotive Engineers (SAE)-China Congress ; 2022 ; Shanghai, China November 22, 2022 - November 24, 2022
29.04.2023
16 pages
Aufsatz/Kapitel (Buch)
Elektronische Ressource
Englisch
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