Abstract
The aim of this study was to explore the vibration challenges caused by the crankshaft design in the air pump of the power integration device for steering and brake assistance in new energy buses. Three distinct crankshaft structures were designed and transient dynamic analysis was conducted using ANSYS software to assess the stress conditions and obtain the torque curves at the center points of these structures. Three newly fabricated crankshaft prototypes were subjected to vibration intensity tests on the integrated device. The experimental results revealed that the assistance device using the new crankshaft significantly reduced vibration intensity.
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