Automatic Leak Detection in Buried Plastic Pipes of Water Supply Networks by Means of Vibration Measurements

Table 1

Characteristics of the monitored leaks and related measurements and results of the algorithm applied to raw signals and band-pass filtered signals.

Dataset	Flow rate	Distance m	nr. night; leak	nr. night; no-leak	Raw signals		Filtered signals
					Detection	MIE	Detection	MIE
DS 1	Low	1.6	2	6	Yes	217.55	Yes	174.95
DS 2	Low	9.8	2	4	No	0	Yes	1.72
DS 3	Medium	10	2	3	Yes	14.34	Yes	28.05
DS 4	Low	2	2	5	Yes	51.03	Yes	38.41
DS 5	Low	4	2	4	Yes	2.04	Yes	2.25
DS 6	Low	0.5	2	5	Yes	251.29	Yes	196.53
DS 7	High	3	1	7	Yes	23.79	Yes	22.57
DS 8	Low	1	4	3	Yes	19.54	Yes	29.06
DS 9	Low	0.5	1	7	Yes	412.18	Yes	650.99
DS 10	Low	3	1	6	No	0	Yes	2.25
DS 11	Low	3.5	2	6	No	0	Yes	1.79
DS 12	Medium	7	1	7	Yes	26.64	Yes	60.83
DS 13	Low	6	2	4	Yes	2.42	Yes	7.55