NVH Optimisation - Transmission
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Customer: Tier 1 supplier to the automotive industry
Market: Light duty on highway - Asia
BRACE execution: Powertrain domain cluster
Location: Customer site and OEM site (end customer)
Noise Vibration and Harshness can cause serious annoyance at the vehicle end user. Field complaints often occur because of this, therefore NVH in relation to Gears & Bearings is one of the fields of expertise within the BRACE crew.
BRACE analyzed field complaints at the OEM customer of the BRACE client caused by NVH problems. The major difficulty lies in the fact that the BRACE client is only supplying transmissions and therefore is only responsible for transmission related NVH. Since the vehicle itself has a very big effect on the NVH behavior, possible improvements are a big challenge. To apply the research in the right way and maximize the benefit the focus is divided on multiple ways to improve:
Measurements (done in cooperation with external partner’s facilities)
Transmission housing simulations for dynamic behavior (with partner)
Gear mesh optimization simulations (with partner)
BRACE managed to get to an acceptable noise evaluation score (level), using their result driven approach in close collaboration with all partners.
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