Table 12. Average daily feature values for C1 calculated from complete dataset of all motions.

C1			Day
feature			1	2	3
FFT Joystick digital y axis (Hz)			0	0	0
Velocity vector (x, y) ×10 2 smoothness ‘S’			3.5	2.9	4.4
Position bias ellipse	forward	right a	34	16	36
		right b	20	35	29
		left a	32	15	35
		left b	20	38	27
	rear	right a	26	22	28
		right b	44	59	62
		left a	23	22	25
		left b	37	59	69
Velocity vector bias (mm/s)	Forward	right	24	16	30
		left	25	18	33
	rear	right	14	20	28
		left	18	20	21
Driving time		ratio	0.7	1.1	0.4
		total	4507	3822	6722