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Laser & Optoelectronics Progress, Volume. 61, Issue 7, 0706011(2024)

Fine Tracking Time Delay Compensation Technology for Space Optical Communication (Invited)

Yang Chen1, Zida Zhao1, Shuzhe Zhang1, Yixin Chen1, Da Yu2, and Siyuan Yu1、*
Author Affiliations
  • 1School of Instrumention Science and Engineering, Harbin Institute of Technology, Harbin 150001, Heilongjiang , China
  • 2Beijing Institute of Astronautical Systems Engineering, Beijing 100072, China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (14)
    Equations (3)
    References (17)
    Cited By (1)
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    Figures & Tables(14)
    Schematic diagram of fine tracking system

    Fig. 1. Schematic diagram of fine tracking system

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    Block diagram of fine tracking system

    Fig. 2. Block diagram of fine tracking system

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    Block diagram of fine tracking system with time delay

    Fig. 3. Block diagram of fine tracking system with time delay

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    Step response curve of fine tracking system with different time delay

    Fig. 4. Step response curve of fine tracking system with different time delay

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    Sinusoidal response curves of fine tracking system with different time delays (10 μrad@5 Hz)

    Fig. 5. Sinusoidal response curves of fine tracking system with different time delays (10 μrad@5 Hz)

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    Sinusoidal response curves of fine tracking system with different time delays (10 μrad@20 Hz)

    Fig. 6. Sinusoidal response curves of fine tracking system with different time delays (10 μrad@20 Hz)

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    Sinusoidal response curves of fine tracking system with different time delays (10 μrad@40 Hz)

    Fig. 7. Sinusoidal response curves of fine tracking system with different time delays (10 μrad@40 Hz)

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    Fine tracking system predictor control system

    Fig. 8. Fine tracking system predictor control system

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    Fine tracking system robust predictor control system

    Fig. 9. Fine tracking system robust predictor control system

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    Fine tracking error curves

    Fig. 10. Fine tracking error curves

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    Tracking error curves of fully matched predictor for fine tracking system

    Fig. 11. Tracking error curves of fully matched predictor for fine tracking system

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    Block diagram of perturbation test of fine tracking system

    Fig. 12. Block diagram of perturbation test of fine tracking system

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    Fine tracking system test tracking error curve

    Fig. 13. Fine tracking system test tracking error curve

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    • Table 1. Summary of time delay in precision tracking control system

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      Table 1. Summary of time delay in precision tracking control system

      LinkTime delayReasonCan be reduced
      Information transfer1 μs‒1 msInformation processingYes
      Calculation20 μsNumerical calculationYes
      Drive execution10 μsVoltage/current responseYes
      FSM execution100 μs‒3 msFSM executionYes
      Detection1 μs‒10 msOptical signal integralNo
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    Yang Chen, Zida Zhao, Shuzhe Zhang, Yixin Chen, Da Yu, Siyuan Yu. Fine Tracking Time Delay Compensation Technology for Space Optical Communication (Invited)[J]. Laser & Optoelectronics Progress, 2024, 61(7): 0706011

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    Paper Information

    Category: Fiber Optics and Optical Communications

    Received: Jan. 4, 2024

    Accepted: Feb. 1, 2024

    Published Online: Apr. 16, 2024

    The Author Email: Siyuan Yu (yusiyuan@hit.edu.cn)

    DOI:10.3788/LOP240795

    CSTR:32186.14.LOP240795

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology