Performance Analysis of a Hybrid Power Cutting System for Roadheader

Table 4

Stiffness and damping groups of the coupler connecting electric motor with coupling gear.

Group	1	2	3	4	5	6	7
(Nm/rad)	10^4	10^4	10^3	10^4	10^5	10^6	10^4
(Nm/(rad/s))	0	10	10^2	10^2	10^2	10^2	10^3