基于自适应神经网络补偿的四旋翼PID控制策略
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国防科技创新研究项目(PCM20240024)


Quadrotor PID Control Strategy Based on Adaptive Neural Network Compensation
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    摘要:

    针对四旋翼飞行器在控制过程中的不确定性和外部扰动,提出一种自适应比例-积分-微分(proportion integration differentiation,PID)的控制策略。在外环位置控制器设计的前馈补偿比例微分(proportion derivative,PD)控制中融入了积分项,通过数学推导与仿真分析以消除系统稳态误差,同时提升跟踪精度。在内环姿态控制器设计中,采用自适应RBF神经网络对PID进行补偿性设计,经反复的算法优化与模型验证,构建出高效的控制器模型。基于所设计的四旋翼飞行器模型,结合所提控制策略进行仿真测试。实验结果表明:该方法能对系统所遭受的外部干扰进行高效自适应补偿,有效提升了系统的稳定性,表现出良好的控制能力。

    Abstract:

    An adaptive proportion integration differentiation (PID) control strategy is proposed for the uncertainty and external disturbance in the control process of quadrotor aircraft. An integral term is added to the feedforward compensation proportion derivative (PD) control in the outer loop position controller design to eliminate the steady-state error of the system and improve the tracking accuracy through mathematical derivation and simulation analysis. In the design of the inner loop attitude controller, the adaptive RBF neural network is used to compensate the design of PID. After repeated algorithm optimization and model verification, an efficient controller model is constructed. Based on the designed quadrotor aircraft model, the simulation test is carried out combined with the proposed control strategy. The experimental results show that the proposed method can efficiently compensate the external interference suffered by the system, effectively improve the stability of the system, and show good control ability.

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杜飞平.基于自适应神经网络补偿的四旋翼PID控制策略[J].,2025,44(06).

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  • 收稿日期:2024-08-10
  • 最后修改日期:2024-09-11
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  • 在线发布日期: 2025-07-04
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