Hybrid Optimization Algorithm of Particle Swarm Optimization and Cuckoo Search for Preventive Maintenance Period Optimization

Table 4

Optimization results.

PM times	Cost	PM operation time
0	224000	—
1	168340	3
2	137620	3
3	111640	3
4	103570	3
5	102820	3
6	106320	3
7	110490	3