Infrared and Laser Engineering, Volume. 53, Issue 5, 20240030(2024)
Linear active disturbance rejector controller design for optoelectronic stabilized platform considering transfer function zeros
Figures & Tables(12)
Fig. 1. Structural diagram of photoelectric stabilization platform
Fig. 2. Schematic diagram of precise control frame transmission principle
Fig. 4. Typical second-order loop open-loop amplitude-frequency characteristics
Table 1. Step response comparison experimental results
View tableView in ArticleTable 1. Step response comparison experimental results
Overshoot Rise time/s Setting time/s PID 8.5% 0.016 0.043 LADRC 18.5% 0.013 0.073 MLADRC 16.6% 0.013 0.071 LADRC-TFZ 3.2% 0.016 0.027
Table 2. Stable accuracy under different frequency equivalent disturbance
View tableView in ArticleTable 2. Stable accuracy under different frequency equivalent disturbance
Disturbance frequency/Hz PID/ μrad LADRC/ μrad MLADRC/ μrad LADRC-TFZ/ μrad 0.5 24.06 1.96 1.32 0.71 1 43.44 5.55 3.65 1.92 3 70.53 21.27 14.43 7.69 5 65.30 34.49 24.02 12.00
Table 3. Stable accuracy under different frequency equivalent disturbance
View tableView in ArticleTable 3. Stable accuracy under different frequency equivalent disturbance
Disturbance frequency/Hz PID/ μrad LADRC/ μrad MLADRC/ μrad LADRC-TFZ/ μrad 0.5 52.61 19.52 7.01 5.68 1 53.58 24.23 7.53 5.74 1.5 55.26 28.35 8.16 6.06 2 58.96 32.58 8.79 6.35 2.5 55.44 35.52 9.88 6.89 5 54.38 40.28 12.26 7.59
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Fangchao Zhai, Qinghua Zeng, Yuejie Zhang, Helong Wang, Jie Li. Linear active disturbance rejector controller design for optoelectronic stabilized platform considering transfer function zeros[J]. Infrared and Laser Engineering, 2024, 53(5): 20240030
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Received: Jan. 17, 2024
Accepted: --
Published Online: Jun. 21, 2024
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