A Pragmatic Optimization Method for Motor Train Set Assignment and Maintenance Scheduling Problem

Table 4

Maintenance records of motor train sets.

Train set name	Item name	Date	Mileage (km)
CRH6202B	I2	2014.10.26	1891206
CRH6202B	M1	2014.09.09	1851620
CRH6202B	M2	2014.07.18	1743716
CRH6202B	M3	2013.09.06	1318710
CRH6202B	Traction engine	2014.10.24	1886726
CRH6202B	Gearbox	2014.07.18	1743716
CRH6202B	Hollow axle	2014.09.12	1851620
CRH6230B	I2	2014.10.26	1936310
CRH6230B	M1	2014.09.13	1839962
CRH6230B	M2	2014.07.23	1732774
CRH6230B	M3	2013.12.19	1317565
CRH6230B	Traction engine	2014.07.24	1732774
CRH6230B	Gearbox	2014.07.24	1732774
CRH6230B	Hollow axle	2014.09.13	1839962
CRH6301C	I2	2014.10.23	566125
CRH6301C	M1	2014.09.16	494039
CRH6301C	M2	2014.08.06	399489
CRH6301C	M3	2014.08.06	399489
CRH6301C	Traction engine	2014.08.06	399489
CRH6301C	Gearbox	2014.08.01	399489
CRH6301C	Hollow axle	2014.09.18	494039
CRH6303C	I2	2014.10.20	943358
CRH6303C	M1	2014.09.25	893546
CRH6303C	M2	2014.08.09	800586
CRH6303C	M3	2014.08.09	800586
CRH6303C	Traction engine	2014.08.07	800586
CRH6303C	Gearbox	2014.08.07	800586
CRH6303C	Hollow axle	2014.09.25	893546