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

Table 11

Identified system dynamic stiffness of the powertrain mount system.

	Direction
System stiffness (N/m)		1395591.8	−30449.8	−942324.2	−281524.7	−163269.4	−374485.9
		−113718.0	1334671.3	−681578.8	141792.6	8774.2	210950.1
		−525103.2	−319732.4	4847951.0	1226340.0	−643756.5	136427.0
		−96400.5	187465.1	1490075.0	489962.4	−255752.3	62305.0
		−342200.5	49534.8	−1123473.9	−291110.9	334301.8	83100.4
		−398453.2	219841.2	73853.7	83061.1	51541.5	187883.5
System damp (Ns/m)		48323.9	−1701.9	−107602.7	−37387.4	21710.4	−18127.0
		−95842.9	147080.1	44298.3	40013.9	−36403.2	35169.6
		109125.4	−50897.6	515109.4	138443.2	−24243.4	−23883.1
		10866.7	21260.1	180011.5	59125.0	−7614.7	1522.5
		−83656.9	40028.1	−63065.6	1426.8	21217.1	24798.1
		−41526.3	25703.9	−1744.1	7179.4	−7047.3	16897.5