Sliding Mode Control with PD Sliding Surface for High-Speed Railway Pantograph-Catenary Contact Force under Strong Stochastic Wind Field

Table 2

The results of standard deviation and maximum control force.

	No control	Constant switching law							Proportional switching law
									Case 1	Case 2	Case 3
STD. (N)	33.57	31.68	30.46	30.27	29.96	31.69	32.99	33.06	30.89	29.01	26.25
Mean value (N)	117.84	118.16	118.57	118.26	118.13	118.22	119.27	119.96	117.38	116.87	116.88
Max. Ctrl. force (N)	0	10	20	30	40	50	60	70	18.21	34.43	65.06