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Turbocharger Speed Estimation via Vibration Analysis KTH Royal Institute of Technology
- Format:
- Conference/Event
- Author/Creator:
- Crescenzo, Crescenzo, author.
- Conference Name:
- SAE 2016 World Congress and Exhibition (2016-04-12 : Detroit, Michigan, United States)
- Language:
- English
- Physical Description:
- 1 online resource
- Place of Publication:
- Warrendale, PA SAE International 2016
- Summary:
- AbstractDue 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
- Notes:
- Vendor supplied data
- Publisher Number:
- 2016-01-0632
- Access Restriction:
- Restricted for use by site license
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