Infrared and Laser Engineering, Volume. 50, Issue 12, 20210161(2021)
Modeling, test and correction of static pointing error for remotion platform
Figures & Tables(9)
Fig. 3. Horizontal axis offset error along with pitching rotation angle before error correction
Fig. 4. Horizontal axis offset error along with pitching rotation angle after error correction
Fig. 5. Vertical axis offset error along with azimuth rotation angle before error correction
Fig. 6. Vertical axis offset error along with azimuth rotation angle after error correction
Table 1. Meanings of each error item
View tableView in ArticleTable 1. Meanings of each error item
Sort of error Error item Error signification Position error ${e_{\delta z}}$ Horizontal module error(along z axis) ${e_{\delta y}}$ Vertical module error（along y axis） ${\Delta _{2x}}$ Vertical module perpendicularity error (around x axis) ${\Delta _{2z}}$ Vertical module perpendicularity error (around z axis) ${e_A}$ Azimuth module coder setting and measurement error ${\Delta _{4x}}$ Pitching module perpendicularity error (around x axis) ${\Delta _{4y}}$ Pitching module perpendicularity error (around y axis) ${e_E}$ Pitching module coder setting and measurement error ${\Delta _{5y}}$ Load collimator setting error ${\Delta _{5z}}$ Load collimator setting error Motion error ${e_{4x}}$ Pitching module shafting gyration ${e_{4y}}$ Pitching module shafting gyration ${e_{3x}}$ Azimuth module shafting gyration ${e_{3z}}$ Azimuth module shafting gyration
Table 2. Actual test data
View tableView in ArticleTable 2. Actual test data
Pitching angle/(°) Autocollimation reading/(″) Azimuth angle/(°) Gradienter reading/(″) −3.0 85.6 −3.0 0 −2.5 70.6 −2.5 −1.5 −2.0 56.4 −2.0 −3.0 −1.5 42.4 −1.5 −4.5 −1.0 28.5 −1.0 −6.0 −0.5 14.7 −0.5 −7.5 0 0.2 0 −9.0 0.5 −14.2 0.5 −10.5 1.0 −29.1 1.0 −12.0 1.5 −44.5 1.5 −13.5 2.0 −59.4 2.0 −15.0 2.5 −75.2 2.5 −16.5 3.0 −90.5 3.0 −18.0
Table 3. Actual test data after error correction
View tableView in ArticleTable 3. Actual test data after error correction
Pitching angle/(°) Autocollimation reading/(″) Azimuth angle/(°) Gradienter reading/(″) 0 0.1 0 −753 −1.0 1.7 −1.0 −755 −2.0 1.9 −2.0 −755 −3.0 1.8 −3.0 −757 −2.0 1.6 −2.0 −755 −1.0 1.2 −1.0 −755 0 0.2 0 −753 1.0 0.2 1.0 −754 2.0 1.1 2.0 −753 3.0 3.7 3.0 −751 2.0 2.2 2.0 −754 1.0 1.5 1.0 −755 0.0 1.6 0.0 −754
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Hui Li, Hongjie Fan, Qianrong Chen, Qianjin Zou. Modeling, test and correction of static pointing error for remotion platform[J]. Infrared and Laser Engineering, 2021, 50(12): 20210161
Paper Information
Category: Photoelectric measurement
Received: Mar. 12, 2021
Accepted: --
Published Online: Feb. 9, 2022
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