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. 1. Flow chart of proposed method
Fig. 2. Quadrant inversion extension
Fig. 3. Step by step mirror extension
Fig. 4. Flow chart of particle swarm annealing algorithm
Fig. 5. Three-dimensional image and one-dimensional PSD analysis of original morphology. (a) Original 3D shape; (b) PSD of original 3D shape
Fig. 6. Extended 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)