飞航导弹执行器故障容错控制系统研究

针对传统飞航导弹控制系统对执行器故障容错能力较弱,而执行器故障模型难以在线快速准确辨识等问题,将直接自适应控制和传统控制方法相结合,设计了一种飞航导弹主动容错控制系统.可以在不知道确切故障信息的情况下,补偿修复故障发生后的控制信号,保证导弹仍能恢复一定的飞行性能.以某型导弹纵向控制回路为例,模拟升降舵执行器执行机构退化、效率降低等故障进行了数字仿真.结果表明,与传统的控制方法相比,该容错控制系统可以在不改变基本控制律的前提下,较好地修复控制信号,使系统跟随参考模型.

Study of Fault-tolerant Control System for Aerodynamic Missile Actuator Failure

Traditional aerodynamic missile control system can not prime tolerate actuator failures,and actuator fault model is difficult to be identified quickly and precisely online.A missile active fault-tolerant control system based on direct adaptive control theory and traditional control method is proposed.This controller will provide a compensation control signal after damage is occurred and restore its flight performance without precise fault information.The proposed design is applied to certain missile longitu...