| 一种基于DDFC的半物理仿真台滑模控制器设计方法 |
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| 引用本文： | 贾杰,秦永元.一种基于DDFC的半物理仿真台滑模控制器设计方法[J].航天控制,2008,26(5). |
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| 作者姓名： | 贾杰 秦永元 |
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| 作者单位： | 1. 南昌航空大学,南昌,330063
2. 西北工业大学自动化学院,西安,710072 |
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| 摘 要： | 对高精度气浮台半物理仿真系统控制问题进行了研究,提出了一个基于DDFC(direct Direct dynamics Dynamics feedback Feedback compensationCompensation)的台体姿态控制方法.该方法使得系统的输入量为执行机构的转速.也就是使得执行机构工作在速率模式,这样可以避免高频噪声对控制系统的影响.提高系统的可靠性.这种方法物理概念清晰、数学过程简明,便于工程实现.仿真结果表明,台体的姿态角以较高的精度快速跟踪目标值,最终偏差满足要求.系统性能良好.
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| 关 键 词： | 气浮台 半物理仿真 滑模控制 |
A Method Based on DDFC of Slide-Mode Controller on Half-physics Platform Attitude |
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| JIA Jie,QIN Yongyuan.A Method Based on DDFC of Slide-Mode Controller on Half-physics Platform Attitude[J].Aerospace Control,2008,26(5). |
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| Authors: | JIA Jie QIN Yongyuan |
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| Abstract: | In this work,the control problem of the air-bearing platform attitude with high precision is researched.A controlling method of air-bearing platform attitude based on DDFC is proposed.This method makes the input of object controlled as the rotating speed of the executive machine,that is it makes the executive machine work on velocity mode,that can avoid the influence of high frequency noise on control system so as to improve the reliability.It is easy for this method to be realized for its clear physics concept and compendious mathematical process.Simulation results show that the attitude angles of the air-bearing platform can quickly track the reference signal with high precision. |
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| Keywords: | DDFC |
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