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One of the features of the SAAB Variable Compression engine (SVC) is its possibility to change the compression by tilting the top of the engine. Due to the change in geometry, the standard equation used to calculate the cylinder volume as function of crank angle may not give sufficiently accurate result. A new cylinder volume function, that is specially(More)
In this paper we consider signal processing algorithms for detecting knock, i.e. auto-ignition of unburned fuel, in spark-ignited engines. To operate an engine with optimal efficiency, there is a need to operate close to the knock limit. This motivates the need for efficient knock detection algorithms that not only indicates knock, but also gives estimates(More)
Rapporttyp Report category Licentiatavhandling Examensarbete C-uppsats D-uppsats¨Ovrig rapport URL för elektronisk version ISBN ISRN Serietitel och serienummer Title of series, numbering ISSN Titel Title Författare Author Sammanfattning Abstract Nyckelord Keywords Knock is a phenomenon that limits how efficiently an engine can operate. Severe knock is(More)
Rapporttyp Report category Licentiatavhandling Examensarbete C-uppsats D-uppsats¨Ovrig rapport URL för elektronisk version ISBN ISRN Serietitel och serienummer Title of series, numbering ISSN Titel Title Författare Author Sammanfattning Abstract Nyckelord Keywords In the report a model using a reduced reaction analysis has been used to see if it is possible(More)
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