Robust Stability Analysis Based on LMI for Haptic Interface Systems with Uncertain Delay

Table 1

Parameters for different operator models [11, 14].

Model	h (kg)	h (N·s/m)	h (N/m)
1	17.51	175.12	175.12
2	4.54	6.83	12.5
3	2.0	2.0	10.0
4	1.0	12.6	39.5
5	0.8	5.5	568
6	0.15	0.5	7.0