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发明公开
CN107013365A 用于可变面积扇形喷嘴的光纤感测 有权

用于可变面积扇形喷嘴的光纤感测
摘要：
本申请涉及用于可变面积扇形喷嘴的光纤感测。具体地，公开了一种控制系统，该控制系统用于具有多个瓣的可变面积扇形喷嘴VAFN。控制系统可以包括：至少一个光纤形状传感器，所述至少一个光纤形状传感器沿着所述多个瓣中的至少一个瓣延伸；和光源，该光源操作地连接到所述至少一个光纤形状传感器。控制系统包括：接收器，该接收器操作地连接到所述至少一个光纤形状传感器；和VAFN控制单元，该VAFN控制单元与所述多个瓣和接收器操作地通信。VAFN控制单元可以被配置为从接收器接收指示沿着至少一个光纤形状传感器的所测量的应变的信号，并且基于所测量应变来计算VAFN的喷嘴面积。
摘要（英）：

The invention relates to fiber optic sensing for variable area fan nozzles. A control system for a variable area fan nozzle (VAFN) having a plurality of petals is disclosed. The control system may include at least one fiber optic shape sensor extending along at least one of the plurality of petals, and a light source operatively connected to the at least one fiber optic shape sensor. The control system may further include a receiver operatively connected to the at least one fiber optic shape sensor. The control system may further include a VAFN control unit in operative communication with the plurality of petals and the receiver. The VAFN control unit may be configured to receive a signal from the receiver indicative of the measured strain along the at least one fiber optic shape sensor, and calculate a nozzle area of the VAFN based on the measured strain.

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