小灵巧导弹自抗扰BTT控制器设计与仿真

• 作 者: 王文文 刘晓利 王慧 张君健
• 机 构: 南京理工大学瞬态物理国家重点实验室,
• 出 处: 战术导弹技术
• 发表日期: 2015年04期
• 关键词: BTT 导弹系统 自抗扰控制 抗扰 小灵巧导弹 强耦合系统 解耦控制 偏航通道 扩张状态观测器 滚转

针对非线性、时变、强耦合和具有不确定性的小灵巧导弹(SSM)控制系统,运用自抗扰控制理论,设计了一种新的BTT控制器。滚转通道单独设计控制器,对俯仰和偏航通道建立多输入—多输出二阶非线性耦合模型,采用扩张状态观测器对系统的不确定性与干扰进行实时估计和补偿,并由非线性状态误差反馈律设计BTT控制器,以实现对导弹的解耦控制。数字仿真结果表明:所设计的自抗扰BTT控制器可以满足导弹系统的控制要求,具有优良的跟踪性能、鲁棒性能以及对非线性强耦合系统的解耦性能。

For the nonlinear, time-varying, strongly coupled and uncertain small smart missiles (SSM) control systems, a new BTT controller is designed by using ADRC control theory. The controller is designed separately for roll-to-roll path, and the second-order nonlinear multiple-input-multiple-output coupled model is established for pitch and yaw path. The extended state observer is used to estimate and compensate the system uncertainties and disturbances in real time. State error feedback law design BTT controller, in order to achieve decoupling control of the missile. The simulation results show that the proposed ADRT controller can meet the control requirements of the missile system, and has excellent tracking performance, robustness and decoupling performance for the nonlinear strong coupling system.