嵌入式大气压力传感器复杂气象环境防护技术发展趋势与展望

Development trend and prospect of flush air data pressure sensor for complex meteorological environment protection technology

嵌入式大气数据传感器系统是飞翼气动布局飞行器重要的飞行传感器子系统,是准确测量飞行大气参数的关键保障。其嵌入式大气压力传感器有效的防水、防尘、防除冰设计,是飞行过程中压力准确感受,飞行大气参数稳定、实时测量的重要保证。针对嵌入式大气压力传感器防水、防尘、防除冰技术现状,分析了存在的不足与缺陷,结合工程化应用需要和相关工程技术研究成果,提出了嵌入式大气压力传感器复杂气象环境防护状态在线监测设计、加热器功率自适应调节设计和快速拆装设计的技术发展方向,阐明了未来嵌入式大气压力传感器复杂气象环境防护技术的研究目标、内容,以及涉及的水、湿气监测技术,结冰状态监测技术,表面疏水与低可探测技术和易维护式结构设计技术等关键技术的解决方案。

The flush air data sensing system is a key or important flight sensor subsystem for the measurement of flight atmospheric parameters such as air pressure altitude,indicated airspeed,Mach number,angle of attack and sideshow angle,which are required for flight safety control,communication and navigation of flying wing pneumat‐ic layout aircraft and precise weapon strike.The effectiveness of water-proof,dust-proof,anti-ice and de-icing de‐sign of the flush air data pressure sensor in the system is an important guarantee for accurate pressure feeling,stabil‐ity of atmospheric parameters and real-time performance during flight.In this paper,aiming at the technology pres‐ent status of water-proof,dust-proof,anti-icing and de-icing of flush air data pressure sensors in flush air data sys‐tem,the existing shortcomings and defects are analyzed,combined with the needs of engineering application and re‐search results of related engineering technology,the flush air data pressure sensor for complex meteorological envi‐ronment protection status online monitoring,heater power adaptive control and rapid disassembling design as devel‐opment direction is proposed,the future research goal and content of flush air data pressure sensor for complex me‐teorological environment protection technology are illustrated,and the solutions of key technologies such as mois‐ture monitoring technology,freezing condition monitoring technology,surface hydrophobic and low detectable tech‐nology and easy maintenance structure design technology are presented.