Screw Remaining Life Prediction Based on Quantum Genetic Algorithm and Support Vector Machine

Table 1

The adjustment strategy of the quantum rotating angle.

0	0	True/false	0	0	0	0	0
0	1	False		+1	−1	0	±1
0	1	True		−1	+1	±1	0
1	0	False		−1	+1	±1	0
1	0	True		+1	−1	0	±1
1	1	True/false	0	0	0	0	0

is the ith bit of the current chromosome, is the ith bit of the best chromosome, is the adjusting angle step, and represents the rotating angle direction.