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基于A(yíng)FSMC算法的飛機飛行姿態(tài)自適應滑模控制系統
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延安大學(xué)物理與電子信息學(xué)院

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TP391.9

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Adaptive sliding mode control system for aircraft flight attitude based on AFSMC algorithm
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    摘要:

    傳統飛機飛行姿態(tài)滑膜控制系統,存在飛機飛行姿態(tài)自適應系數穩定性差的問(wèn)題,在控制過(guò)程中會(huì )受到多重因素影響,導致飛行姿態(tài)可控誤差系數增大,需要輔助控制系統修正才能完成飛行姿態(tài)的控制操作。針對上述問(wèn)題,提出基于A(yíng)FSMC算法的飛機飛行姿態(tài)自適應滑模控制系統。系統硬件基于PID自適應滑模控制器,對飛機飛行姿態(tài)控制器進(jìn)行結構設計;軟件部分通過(guò)引入自適應滑模控制策略,對PID控制器姿態(tài)控制變量進(jìn)行適配;引入AFSMC算法計算姿態(tài)控制器當前時(shí)間點(diǎn)下的運動(dòng)控制方程,得到飛行姿態(tài)自適應滑模控制的最優(yōu)量,完成基于A(yíng)FSMC算法的飛機飛行姿態(tài)自適應滑模控制系統設計。實(shí)驗結果表明,所設計系統能夠在不同飛行工況下,對飛機飛行姿態(tài)作出準確控制,系統的整體控制精度范圍為90%~97.4%,飛機飛行控制穩定性較好,有效提升了系統對飛機飛行姿態(tài)的控制準確度。

    Abstract:

    The traditional aircraft attitude sliding film control system has the problem of poor stability of the aircraft attitude adaptive coefficient. It will be affected by multiple factors during the control process, resulting in an increase in the flight attitude controllable error coefficient, and the auxiliary control system needs to be corrected to complete the flight attitude Control operation. Aiming at the above problems, an adaptive sliding mode control system of aircraft flight attitude based on AFSMC algorithm is proposed. The system hardware is based on the PID adaptive sliding mode controller, and the aircraft attitude controller is designed; the software part adopts the adaptive sliding mode control strategy to adapt the PID controller attitude control variables; introduces the AFSMC algorithm to calculate the attitude controller The motion control equation at the current time point is used to obtain the optimal amount of flight attitude adaptive sliding mode control, and the design of the aircraft flight attitude adaptive sliding mode control system based on the AFSMC algorithm is completed. The experimental results show that the designed system can accurately control the flight attitude of the aircraft under different flight conditions. The overall control accuracy of the system ranges from 90% to 97.4%. The flight control stability of the aircraft is good, which effectively improves the system’s impact on the aircraft. Control accuracy of flight attitude.

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魏婉婷,周勇.基于A(yíng)FSMC算法的飛機飛行姿態(tài)自適應滑模控制系統計算機測量與控制[J].,2021,29(4):130-134.

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歷史
  • 收稿日期:2021-01-05
  • 最后修改日期:2021-03-01
  • 錄用日期:2021-03-01
  • 在線(xiàn)發(fā)布日期: 2021-04-25
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