Real Time Knock Detection with Dft-based Time-frequency Analysis
نویسندگان
چکیده
New generations of spark ignition engines require a correct ignition adjustment to guarantee optimal performance. In this paper, we address the challenge of knock detection improvements with time-frequency analysis. Two real time knock detection methodologies based on the sliding Discrete Fourier Transform and the pseudo Wigner-Ville distribution are exposed. Their relative performances and robustness are compared in real time simulation on both production (vibration signals from accelerometer sensors) and modelled data.
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Improved Knock Detection Method Based on New Time-Frequency Analysis In Spark Ignition Turbocharged Engine
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