Table 2 Comparison of measured data and calculated data of the system.

From: Development of a monitoring system for disassembled towers with internal suspension poles

Parameter

Actual value

Monitoring value

Relative error/%

Cable tension

5.85 kN

6.02 kN

2.91

Lifting rope tension

21.34 kN

20.47 kN

− 4.08

Derrick inclination

4.7°

4.9°

4.26

Derrick height

38.48 m

40.1 m

4.21

Tower material height

18.48 m

19.89 m

7.63

The distance between the derrick and the assembled tower

3.24 m

3.56 m

9.88