Acta Optica Sinica, Volume. 40, Issue 11, 1122001(2020)
Application of Particle Swarm Annealing Optimization BVMD Method in Spatial Frequency Decomposition of Ultra-Precision Machined Surfaces
Fig. 5. Three-dimensional image and one-dimensional PSD analysis of original morphology. (a) Original 3D shape; (b) PSD of original 3D shape
Fig. 7. Processing results by 2D 1--4 Hanning windows. (a) 1-order; (b) 2-order; (c) 3-order; (d) 4-order
Fig. 8. Amplitude frequency responses of 1--4 Hanning windows. (a) 1-order; (b) 2-order; (c) 3-order; (d) 4-order
Fig. 9. Optimization results of particle swarm annealing parameters. (a) Fitness; (b) decomposition level K; (c) penalty parameter α
Fig. 10. Decomposition results of data 1 and the corresponding one-dimensional PSD. (a) IMF 1; (b) IMF 2; (c) IMF 3; (d) IMF 4; (e) PSD of IMF 1; (f) PSD of IMF 2; (g) PSD of IMF 3; (h) PSD of IMF 4
Fig. 11. Measured data 2 and 3D and PSD figures of its decomposition. (a) Shape of data 2; (b) PSD of data 2; (c) IMF 1; (d) IMF 2; (e) IMF 3; (f) IMF 4; (g) IMF 5; (h) PSD of IMF 1; (i) PSD of IMF 2; (j) PSD of IMF 3; (k) PSD of IMF 4; (l) PSD of IMF 5
Fig. 12. Measured data 3 and 3D and PSD figures of its decomposition. (a) Shape of data 3; (b) PSD of data 3; (c) IMF 1; (d) IMF 2; (e) IMF 3; (f) IMF 4; (g) IMF 5; (h) PSD of IMF 1; (i) PSD of IMF 2; (j) PSD of IMF 3; (k) PSD of IMF 4; (l) PSD of IMF 5
Fig. 13. BDWT decomposition results of data 1 and corresponding PSD figures. (a) IMF 1; (b) IMF 2; (c) IMF 3; (d) IMF 4; (e) IMF 5; (f) PSD of IMF 1; (g) PSD of IMF 2; (h) PSD of IMF 3; (i) PSD of IMF 4; (j) PSD of IMF 5
Fig. 14. BDWT decomposition results of data 1 and corresponding PSD figures. (a) IMF 1; (b) IMF 2; (c) IMF 3; (d) IMF 4; (e) IMF 5; (f) IMF 6; (g) PSD of IMF 1; (h) PSD of IMF 2; (i) PSD of IMF 3; (j) PSD of IMF 4; (k) PSD of IMF 5; (l) PSD of IMF 6
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Weixiang Gao, Xingzhan Li, Hualin Zheng, Teng Hu. Application of Particle Swarm Annealing Optimization BVMD Method in Spatial Frequency Decomposition of Ultra-Precision Machined Surfaces[J]. Acta Optica Sinica, 2020, 40(11): 1122001
Category: Optical Design and Fabrication
Received: Jan. 2, 2020
Accepted: Mar. 10, 2020
Published Online: Jun. 10, 2020
The Author Email: Li Xingzhan (li_xingzhan@126.com)