Table 14. Average daily feature values for C2 calculated from complete dataset of all motions.

C2			Day
feature			1	2	3
FFT Joystick digital y axis (Hz)			0	0	0
Velocity vector (x, y) x10 2 smoothness ‘S’			3.9	4.0	3.6
Position bias ellipse	forward	right a	43	30	21
		right b	67	86	88
		left a	46	24	21
		left b	67	111	93
	rear	right a	42	45	38
		right b	83	81	74
		left a	28	33	32
		left b	93	112	91
Velocity vector bias (mm/s)	Forward	right	18	21	19
		left	21	22	22
	rear	right	19	15	16
		left	22	17	19
Driving time		ratio	0.7	0.6	0.6
		total	11261	2441	24364