This article shows a new excitation method for the identification of combustion engines. The method is based on the combination of statistical stationary engine measurement (Design of Experiments - DoE) and dynamic identification techniques for nonlinear multi-input systems. The dynamics are excited by special amplitude-modulated pseudo-random-multilevel-signals (APRMS), which act on the engine simultaneously, in order to allow a short measurement time period. Because the used dynamic excitation signals are orthogonal, they allow a better separation of the input signals for system identification.
- Dynamic Systems and Control Division
Identification of Combustion Engines With Special Orthogonal Excitation Signals
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Schreiber, A, & Isermann, R. "Identification of Combustion Engines With Special Orthogonal Excitation Signals." Proceedings of the ASME 2010 Dynamic Systems and Control Conference. ASME 2010 Dynamic Systems and Control Conference, Volume 1. Cambridge, Massachusetts, USA. September 12–15, 2010. pp. 673-678. ASME. https://doi.org/10.1115/DSCC2010-4177
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