Optimal Trajectory Planning of Grinding Robot Based on Improved Whale Optimization Algorithm

Table 2

The comparison of whole grinding time before and after optimization with algorithms.

Algorithm	Grinding time before (s)	Grinding time after (s)	Growing rate (%)
GA	20.08	42.56	111.95
DE	20.08	39.55	95.97
WOA	20.08	34.39	71.26
IWOA	20.08	33.87	68.67