Browse Publications Technical Papers 2010-01-0509
2010-04-12

Prediction of Vehicle Interior Noise from a Power Steering Pump using Component CAE and Measured Noise Transfer Functions of the Vehicle 2010-01-0509

In response to the growing demand for fuel economy, we are developing a high-efficient variable displacement pump for hydraulic power steering systems. In order to develop a quiet variable displacement pump which generates lower noise for better vehicle interior sound quality, we have been developing a simulation tool which includes hydraulic analysis, vibration analysis, and vehicle interior noise analysis which combines simulation outputs and measured noise transfer functions of the targeted vehicle. This paper provides both validation results of the simulation tool and application examples to design improvement to conclude the effectiveness of the simulation tool developed.

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