Fig. 1. Common process parameter optimization methods

Fig. 2. Cross section morphology of cladding layer^[15]

Fig. 3. Line chart of microhardness of optimized samples^[16]

Fig. 4. Microhardness of cladding layer^[17]

Fig. 5. CCD design schematic diagram^[21]

Fig. 6. BBD design schematic diagram^[21,23]

Fig. 7. Response surface and contour map^[24]

Fig. 8. Three-dimensional interaction diagram at optimal ideal values^[26]

Fig. 9. PCE-IAHP integrated method flow chart^[31]

Fig. 10. Process drawing of laser cladding WC-CO alloy coating^[32]

Fig. 11. Schematic diagram of neural network^[40]

Fig. 12. Simulation results of test sample of cladding layer area^[47]

Fig. 13. Simulation results of cladding layer height test samples^[48]

Fig. 14. Schematic diagram of fuzzy logic algorithm^[52]

Fig. 15. Schematic diagram of fuzzy inverse dynamics model^[52]

Fig. 16. Schematic diagram of NSGA-Ⅱ algorithm^[56]

Fig. 17. Optimized Pareto frontier solution set^[57]

Fig. 18. Response of optimal process parameters group and comparison experimental group^[57]

Fig. 19. Schematic diagram of particle swarm optimization. (a) Optimization flow chart; (b) particle renewal processes^[59]

Fig. 20. Fitness curve^[59]

Fig. 21. Pareto frontier solution set of objective function^[60]

Fig. 22. GA-BP neural network flow chart^[65]

Fig. 23. Flow chart of PSO-ANN^[67]