Research Article

Identification of Engine Inertia Parameters and System Dynamic Stiffness via In Situ Method

Table 9

Identified system dynamic stiffness of the powertrain mount system.

Direction

System stiffness (N/m)1490171.8−62047.3−363210.4−101692.6−245141.7−341731.1
254.81910981.1−776855.1199150.6241490.1259257.6
−547878.2−781461.84635226.61067626.9−694916.0−11255.6
−119562.5378584.31195191.6436581.8−175183.990437.8
−265289.7223319.6−697592.1−143398.3222587.392242.3
−369934.7273163.7−63350.437893.586895.9174911.2

System damp (Ns/m)121371.1−19433.432809.819086.018288.5−24051.3
−58827.4189173.6−95132.9−4759.918617.548450.6
171024.9−213459.0651576.1158276.4−101082.1−91967.9
72740.8−44961.6232898.857961.3−25358.0−34826.9
−39033.159188.1−88440.0−13369.631634.414076.3
−37373.031182.6−30948.1−9501.8−4297.216228.2