制导武器气动舵机数学建模及故障模式仿真  

Mathematical Modeling and Failure Mode Simulation of Pneumatic Actuator for Guided Weapon

作　　者：温向华 余永俊 时子房 刘思博 赵江 Wen Xianghua;Yu Yongjun;Shi Zifang;Liu Sibo;Zhao Jiang(State Owned Changhong Machinery Factory,Guilin 541002,China;Military Representative Office in Guilin District,Guilin 541002,China)

机构地区：[1]国营长虹机械厂,广西桂林541002 [2]驻桂林地区军事代表室,广西桂林541002

出　　处：《兵工自动化》2024年第11期70-75,共6页Ordnance Industry Automation

摘　　要：为提升舵机的执行精度,根据一种出口型的制导武器气动舵机工作原理建立舵机放大器、射流管阀、作动筒、反馈电位计等关键部件的数学模型。基于所建立的数学模型进行Matlab/Simulink仿真,验证该模型在频域特性及时域特性的准确性;针对制导弹药靶试过程中气动舵机出现的“毛刺”干扰问题,分别对舵机各关键部件数学模型注入“毛刺”干扰仿真,并与制导弹药靶试遥测数据进行对比分析。仿真结果表明:气动舵机反馈电位计故障可导致气动舵机出现“毛刺”问题,经实际排除后再次靶试“毛刺”干扰得到消除,为后续制导武器气动舵机故障模式分析提供了一定理论基础。In order to improve the precision of the actuator,the mathematical models of the key components such as the actuator amplifier,the fluidic pipe valve,the actuator and the feedback potentiometer were established according to the working principle of the pneumatic actuator of an export-oriented guided weapon.According to the established mathematical model,Matlab/Simulink simulation is carried out to verify the accuracy of the model in frequency domain and time domain;Aiming at the problem of"burr"interference in the process of guided ammunition target test,the mathematical models of the key components of the actuator were injected with"burr"interference,and the simulation results were compared with the telemetry data of guided ammunition target test.The simulation results show that the fault of the feedback potentiometer of the pneumatic actuator can cause the"burr"problem of the pneumatic actuator,and the interference of the"burr"can be eliminated after the actual elimination,which provides a theoretical basis for the failure mode analysis of the pneumatic actuator of the subsequent guided weapon.

关 键 词：气动舵机 建模仿真 故障分析 “毛刺”干扰 

分 类 号：TJ760.3[兵器科学与技术—武器系统与运用工程]