Prediction of Deviation Range of Gear Autonomous Machining Relying on Failure Sign Algorithm of Firefly Neural Network

Table 3

Prediction data analysis table.

True value	4	4	4	4	4	3	4	4	4	4
PSO predicted value	3.917	3.935	3.936	3.982	4.031	2.662	4.093	3.882	4.102	4.101
PSO absolute error	−0.084	−0.065	−0.064	−0.018	0.031	−0.338	0.093	−0.118	0.102	0.101
GA predicted value	3.981	4.072	4.079	3.96	4.01	2.712	3.992	3.916	3.954	3.954
GA absolute error	−0.019	0.072	0.079	−0.04	0.01	−0.288	−0.008	−0.084	−0.046	−0.046
FSAFNN predicted value	3.882	3.913	4.01	4.013	3.925	2.763	4.018	3.969	4.027	4.022
FSAFNN absolute error	−0.118	−0.087	0.01	0.013	−0.075	−0.237	0.018	−0.031	0.027	0.022