Fault Recognition of Indicator Diagrams Based on the Dynamic Time Warping Distance of Differential Curves

Table 1

DTW distances of differential curves shown in Figure 7.

Serial number	#1	#2	#3	#4	#5	#6	#7	#8	#9	#10	#11	#12
#1	Null	2.4	4.52	1.55	2.65	2.08	0.42	2.08	1.67	2.51	3.01	2.48
#2	2.4	Null	2.12	0.85	0.25	0.32	1.98	0.32	0.73	0.11	0.61	0.08
#3	4.52	2.12	Null	2.97	1.87	2.44	4.1	2.44	2.85	2.01	1.51	2.04
#4	1.55	0.85	2.97	Null	1.1	0.53	1.13	0.53	0.12	0.96	1.46	0.93
#5	2.65	0.25	1.87	1.1	Null	0.57	2.23	0.57	0.98	0.14	0.36	0.17
#6	2.08	0.32	2.44	0.53	0.57	Null	1.66	0.01	0.41	0.43	0.93	0.4
#7	0.42	1.98	4.1	1.13	2.23	1.66	Null	1.66	1.25	2.09	2.59	2.06
#8	2.08	0.32	2.44	0.53	0.57	0.01	1.66	Null	0.41	0.43	0.93	0.4
#9	1.67	0.73	2.85	0.12	0.98	0.41	1.25	0.41	Null	0.84	1.34	0.81
#10	2.51	0.11	2.01	0.96	0.14	0.43	2.09	0.43	0.84	Null	0.5	0.03
#11	3.01	0.61	1.51	1.46	0.36	0.93	2.59	0.93	1.34	0.5	Null	0.53
#12	2.48	0.08	2.04	0.93	0.17	0.4	2.06	0.4	0.81	0.03	0.53	Null