Process Monitoring and Fault Diagnosis for Shell Rolling Production of Seamless Tube

Table 1

Measured variables for seamless steel rolling production process.

Symbol	Variables	Unit
1	1st roller speed	r/s
2	1st roller current	A
3	1st roller torque	N*m
4	2nd roller speed	r/s
5	2nd roller current	A
6	2nd roller torque	N*m
7	3rd roller speed	r/s
8	3rd roller current	A
9	3rd roller torque	N*m
10	4th roller speed	r/s
11	4th roller current	A
12	4th roller torque	N*m
13	5th roller speed	r/s
14	5th roller current	A
15	5th roller torque	N*m
16	6th roller speed	r/s
17	6th roller current	A
18	6th roller torque	N*m
19	7th roller speed	r/s
20	7th roller current	A
21	7th roller torque	N*m
22	8th roller speed	r/s
23	8th roller current	A
24	8th roller torque	N*m