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作 者:李胤 杨正伟[1] 田干[1] 张炜[1] 罗雷[1]
出 处:《振动.测试与诊断》2015年第6期1190-1194,1207,共5页Journal of Vibration,Measurement & Diagnosis
摘 要:针对传统弹用涡扇发动机的供油调节器存在结构复杂、燃油调节速度低和电磁兼容性差等不足,提出了一种基于直线型超声电机驱动的新型供油调节器。分析了直线型超声电机驱动供油调节器进行燃油流量控制的机理,建立了调节器执行机构运动的物理模型,分别推导了执行机构在启动加速、稳态匀速、制动减速三个过程的运动方程。在此基础上,通过数值计算方法对其燃油调节时间进行了计算,最后通过试验进行了验证。结果表明,该调节器的燃油调节时间达到毫秒级,较传统供油调节器缩短了1~2个数量级,可更加快速地调整飞行器飞行状态,有效提高其机动和生存能力。A new fuel regulator drove by linear ultrasonic motor is proposed to overcome the shortcomings of the conventional fuel regulator in a turbofan-engine,such as a complicated structure,slow response speed and low threshold of disturbance by electromagnetic interference.In this paper,the fuel control mechanism of the fuel regulator based on the linear ultrasonic motor is studied,and the actuator′s movement model of the fuel regulator is established.Meanwhile,the motion equations are deduced among the three courses of the acceleration phase,steady speed phase,deceleration phase.On this basis,the regulative time of the fuel regulator is analyzed through the numerical calculation method and experimentally proven.The results shows that the regulative time of the new fuel regulator is up to millisecond,which is1-2orders shorter than the conventional fuel regulator.It can thus adjust aircraft flight states more quickly,which can effectively enhance the mechanization and viability of the aircraft.
分 类 号:TH113.2[机械工程—机械设计及理论] V228.1[航空宇航科学与技术—飞行器设计]
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