一种单通道红外导弹的抗干扰预估控制方法

摘要

单通道红外寻的制导导弹由于其结构简单、制导精度高、发射后不管等优点被广泛应用于近程防空武器系统。人工红外干扰是影响该类导弹作战效能的主要因素。以新一代便携式单通道防空导弹为背景，为了提高导弹的抗干扰能力，分析了传统指令保持的抗干扰算法存在的缺点，提出了一种基于无迹卡尔曼滤波器的目标状态预估的控制算法，并介绍了该滤波器的应用方法和使用条件以及预估控制的实施流程，之后与传统的指令保持方案在干扰态下进行了对比。仿真结果表明，该方案具有更好的跟踪效果，对噪声、初始误差等典型工况具有较好的适应性，可以替代传统的指令保持。%Characterized by its advantages of simple structure , high precision and fire-and-forget, the single-channel infrared homing guided missile is widely applied to the short-range air-defense weapon system.However,the artificial bait is the main factor affecting the combat effectiveness .Taking the new generation of portable single-channel missile for instance , the defect of traditional anti-interference algorithm with command maintenance was analyzed ,and a predictive control strategy based on Unscented Kalman Filter( UKF) was proposed in order to improve the anti-interference ability .The filter’s application method and operating condition were given , as well as the implementation process of predictive control strategy.The proposed method was compared with the traditional method of command maintenance .The simulation result indicates that the predictive control strategy has better tracking performance and good a -daptability to the noise and initial error ,and it is an alternative for the traditional method .