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Turbocharger Speed Estimation via Vibration Analysis
Technical Paper
2016-01-0632
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
Due to demanding legislation on exhaust emissions for internal combustion engines and increasing fuel prices, automotive manufacturers have focused their efforts on optimizing turbocharging systems. Turbocharger system control optimization is difficult: Unsteady flow conditions combined with not very accurate compressor maps make the real time turbocharger rotational speed one of the most important quantities in the optimization process. This work presents a methodology designed to obtain the turbocharger rotational speed via vibration analysis. Standard knock sensors have been employed in order to achieve a robust and accurate, yet still a low-cost solution capable of being mounted on-board. Results show that the developed method gives an estimation of the turbocharger rotational speed, with errors and accuracy acceptable for the proposed application. The method has been evaluated on a heavy duty diesel engine.
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Authors
- Domenico Crescenzo - KTH Royal Institute of Technology
- Viktor Olsson - KTH Royal Institute of Technology
- Javier Arco Sola - KTH Royal Institute of Technology
- Hongwen Wu - KTH Royal Institute of Technology
- Andreas Cronhjort - KTH Royal Institute of Technology
- Eric Lycke - Scania CV AB
- Oskar Leufven - Scania CV AB
- Ola Stenlaas - Scania CV AB
Topic
Citation
Crescenzo, D., Olsson, V., Arco Sola, J., Wu, H. et al., "Turbocharger Speed Estimation via Vibration Analysis," SAE Technical Paper 2016-01-0632, 2016, https://doi.org/10.4271/2016-01-0632.Also In
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