Active vibration control of flexible spacecraft using modified input shaping and adaptive positive position feedback

使用修正输入整形和自适应正位置反馈的柔性航天器主动振动控制

基本信息

  • 批准号:
    341905-2007
  • 负责人:
  • 金额:
    $ 1.35万
  • 依托单位:
  • 依托单位国家:
    加拿大
  • 项目类别:
    Discovery Grants Program - Individual
  • 财政年份:
    2008
  • 资助国家:
    加拿大
  • 起止时间:
    2008-01-01 至 2009-12-31
  • 项目状态:
    已结题

项目摘要

Active vibration control is a crucial issue for modern flexible spacecraft because the flexible dynamics may interact with the attitude/orbit dynamics, which makes high-precision attitude/orbit control more difficult. To address this issue, a strategy that combines modified input shaping technique and adaptive positive position feedback is proposed to control vibration of flexible spacecraft. Modified input shaping will be integrated with spacecraft actuators, momentum wheels and jet thrusters, to suppress several low-order vibration modes, while adaptive positive position feedback will be applied to piezoelectric smart actuators to control the dominant high-order vibration modes. The research work will be conducted as follows. Firstly, the basic principles of modified input shaping will be investigated and an adaptive algorithm will be developed for automatic tuning of parameters of the positive position feedback filters. Secondly, a detailed 3-axis dynamic model for flexible spacecraft will be developed based on flexible multi-body dynamics. The actuator configuration problem will be studied and the optimal configuration will be determined. Thirdly, the hybrid vibration controller that combines modified input shaping and adaptive positive position feedback will be developed. Method will also be developed to minimize the interaction of these two vibration controllers. The stability of the hybrid vibration controller will be proved through stability theory. Different spacecraft on-orbit operation modes will be considered as well. Then, numerical simulation will be conducted using MATLAB/Simulink to validate the theoretical analysis. Finally, hardware experiments will be conducted to verify the effectiveness of the proposed vibration control strategy. By using the proposed strategy, it is expected that the flexible vibration of spacecraft can be suppressed to an allowable level quickly so that high-precision attitude/pointing control can be achieved.
振动主动控制是现代挠性航天器的关键问题,因为挠性动力学可能与姿态/轨道动力学相互作用,这使得高精度姿态/轨道控制变得更加困难。针对这一问题,提出了一种改进的输入整形技术与自适应位置正反馈相结合的柔性航天器振动控制策略。改进的输入整形将与航天器执行器、动量轮和喷气推进器相结合,以抑制几种低阶振动模式,而自适应位置正反馈将应用于压电智能执行器,以控制主要的高阶振动模式。研究工作将如下进行。首先,研究了改进的输入整形的基本原理,并提出了一种自适应算法来自动调整正位置反馈滤波器的参数。其次,建立了基于柔性多体动力学的挠性航天器详细的三轴动力学模型。研究执行器的构型问题,确定最优构型。第三,将改进的输入整形和自适应位置正反馈相结合的混合振动控制器。还将开发一种方法来最小化这两个振动控制器之间的相互作用。混合振动控制器的稳定性将通过稳定性理论得到证明。此外,还将考虑不同的航天器在轨运行模式。然后利用MATLAB/SIMULINK进行数值仿真,以验证理论分析的正确性。最后,通过硬件实验验证了所提出的振动控制策略的有效性。利用所提出的控制策略,可以快速地将航天器的柔性振动抑制到允许的水平,从而实现高精度的姿态/指向控制。

项目成果

期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)

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Shan, Jinjun其他文献

Aconiti Lateralis Radix Praeparata as Potential Anticancer Herb: Bioactive Compounds and Molecular Mechanisms.
  • DOI:
    10.3389/fphar.2022.870282
  • 发表时间:
    2022
  • 期刊:
  • 影响因子:
    5.6
  • 作者:
    Zhang, Wen;Lu, Chaoying;Cai, Shuhui;Feng, Yaru;Shan, Jinjun;Di, Liuqing
  • 通讯作者:
    Di, Liuqing
Inverse Compensator for A Simplified Discrete Preisach Model Using Model-Order Reduction Approach
A Novel Iterative Method for Computing Generalized Inverse
一种计算广义逆的新迭代方法
  • DOI:
    10.1162/neco_a_00549
  • 发表时间:
    2014-02
  • 期刊:
  • 影响因子:
    2.9
  • 作者:
    Xia, Youshen;Chen, Tianping;Shan, Jinjun
  • 通讯作者:
    Shan, Jinjun
Modeling and Inverse Compensation for Coupled Hysteresis in Piezo-Actuated Fabry-Perot Spectrometer
压电驱动法布里-珀罗光谱仪中耦合磁滞的建模和逆补偿
A Direct Inverse Model for Hysteresis Compensation

Shan, Jinjun的其他文献

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{{ truncateString('Shan, Jinjun', 18)}}的其他基金

Essential Technologies for Autonomous Systems: Theory, Verification, and Applications
自主系统的基本技术:理论、验证和应用
  • 批准号:
    555847-2020
  • 财政年份:
    2021
  • 资助金额:
    $ 1.35万
  • 项目类别:
    Alliance Grants
Essential Technologies for Autonomous Systems: Theory, Verification, and Applications
自主系统的基本技术:理论、验证和应用
  • 批准号:
    555847-2020
  • 财政年份:
    2020
  • 资助金额:
    $ 1.35万
  • 项目类别:
    Alliance Grants
Dynamics modeling and cooperative control of multiple piezoelectric actuators for high-precision applications
适用于高精度应用的多个压电执行器的动力学建模和协作控制
  • 批准号:
    RGPIN-2017-05708
  • 财政年份:
    2019
  • 资助金额:
    $ 1.35万
  • 项目类别:
    Discovery Grants Program - Individual
High-Precision Navigation of UAVs using SLAM and Reinforcement Learning
使用 SLAM 和强化学习的无人机高精度导航
  • 批准号:
    526376-2018
  • 财政年份:
    2018
  • 资助金额:
    $ 1.35万
  • 项目类别:
    Engage Grants Program
High-precision synchronization control of piezoelectric actuators for space-based fabry-perot spectrometer
天基法布里-珀罗谱仪压电执行器的高精度同步控制
  • 批准号:
    490886-2015
  • 财政年份:
    2017
  • 资助金额:
    $ 1.35万
  • 项目类别:
    Collaborative Research and Development Grants
Dynamics and control of high-precision high-speed atomic force microscopy for protein analysis
用于蛋白质分析的高精度高速原子力显微镜的动力学和控制
  • 批准号:
    472180-2014
  • 财政年份:
    2017
  • 资助金额:
    $ 1.35万
  • 项目类别:
    Collaborative Research and Development Grants
Cooperative Control of Multiple Autonomous Unmanned Vehicles (AUVs)
多台自主无人车 (AUV) 的协同控制
  • 批准号:
    513393-2017
  • 财政年份:
    2017
  • 资助金额:
    $ 1.35万
  • 项目类别:
    Engage Grants Program
Dynamics and Control of Smart Structures for Space Applications
空间应用智能结构的动力学和控制
  • 批准号:
    341905-2012
  • 财政年份:
    2016
  • 资助金额:
    $ 1.35万
  • 项目类别:
    Discovery Grants Program - Individual
Development of automatic motion tracking system for aerial surveillance vehicles
空中侦察车自动运动跟踪系统的研制
  • 批准号:
    477798-2015
  • 财政年份:
    2015
  • 资助金额:
    $ 1.35万
  • 项目类别:
    Engage Grants Program
Satellite orbit determination using Automatic Identification System (AIS) data
使用自动识别系统(AIS)数据确定卫星轨道
  • 批准号:
    491920-2015
  • 财政年份:
    2015
  • 资助金额:
    $ 1.35万
  • 项目类别:
    Engage Grants Program

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