Infrared and Laser Engineering, Volume. 50, Issue 5, 20200303(2021)
Servo mechanism parameter identification of fast steering mirror based on flexible supports
Figures & Tables(29)
Fig. 5. Simulation of parameter estimation process for
Fig. 6. Simulation of parameter estimation process for
Fig. 7. Simulation of parameter estimation process for
Fig. 8. Simulation of parameter estimation process for
Table 1. Simulation results of
α -X channel parameter estimationView tableView in ArticleTable 1. Simulation results of
α -X channel parameter estimationa1 a2 b0 b1 b2 Static gain True value −1.55 0.72 0.212 0.389 0.248 4.99 Estimation −1.540 0.712 0.220 0.395 0.253 5.05
Table 2. Simulation results of
α -Y channel parameter estimationView tableView in ArticleTable 2. Simulation results of
α -Y channel parameter estimationa1 a2 b 0 b1 b2 Static gain True value −1.55 0.72 0.212 0.389 0.248 4.99 Estimation −1.540 0.712 0.220 0.395 0.253 5.05
Table 3. Simulation results of
β -X channel parameter estimationView tableView in ArticleTable 3. Simulation results of
β -X channel parameter estimationa1 a2 b0 b1 b2 Static gain True value −1.50 0.71 −0.212 −0.318 −0.354 4.21 Estimation −1.520 0.727 −0.188 −0.285 −0.345 3.95
Table 4. Simulation results of
β -Y channel parameter estimationView tableView in ArticleTable 4. Simulation results of
β -Y channel parameter estimationa1 a2 b0 b1 b2 Static gain True value −1.50 0.71 0.212 0.318 0.354 4.21 Estimation −1.495 0.709 0.222 0.321 0.357 4.21
Table 5. Calculation results for decoupling matrix
View tableView in ArticleTable 5. Calculation results for decoupling matrix
cos(θX) cos(θY) sin(θX) sin(θY) True value 0.707 0.707 0.707 0.707 Estimation 0.707 0.674 0.707 0.739
Table 6. Results of pulse transfer function parameters for
α drive axisView tableView in ArticleTable 6. Results of pulse transfer function parameters for
α drive axisa1 a2 b0 b1 b2 Static gain True value −1.550 0.720 0.300 0.550 0.350 4.99 Estimation −1.540 0.712 0.311 0.559 0.358 5.04
Table 7. Results of pulse transfer function parameters for
β drive axis View tableView in ArticleTable 7. Results of pulse transfer function parameters for
β drive axis a1 a2 b0 b1 b2 Static gain True value −1.500 0.710 0.300 0.450 0.500 4.21 Estimation −1.508 0.718 0.291 0.430 0.496 4.10
Table 8. Parameter estimation results for
α -X channelView tableView in ArticleTable 8. Parameter estimation results for
α -X channelParameter a1 a2 b0 b1 b2 Result −1.8070 0.9440 −0.0300 −0.1360 −0.0340
Table 9. Parameter estimation results for
α -Y channelView tableView in ArticleTable 9. Parameter estimation results for
α -Y channelParameter a1 a2 b0 b1 b2 Result −1.8390 0.9650 0.0406 0.1739 0.0360
Table 10. Parameter estimation results for
β -X channelView tableView in ArticleTable 10. Parameter estimation results for
β -X channelParameter a1 a2 b0 b1 b2 Result −1.8398 0.9939 0.0302 0.1583 0.0255
Table 11. Parameter estimation results for
β -Y channelView tableView in ArticleTable 11. Parameter estimation results for
β -Y channelParameter a1 a2 b0 b1 b2 Result −1.8259 0.9636 0.0434 0.2029 0.0618
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Lianwei Fang, Shouxia Shi, Zhiyong Jiang. Servo mechanism parameter identification of fast steering mirror based on flexible supports[J]. Infrared and Laser Engineering, 2021, 50(5): 20200303
Paper Information
Category: Optical design
Received: Aug. 6, 2020
Accepted: --
Published Online: Aug. 13, 2021
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