back-paddle
可控可逆螺桨 controllable-reversible pitch propeller
可逆螺旋桨 reversible propeller
可逆螺距螺旋桨 reversing propeller ; reversible propeller
变距可逆转螺旋桨 variable pitch reversing propeller
可变逆距螺旋桨 controllable reversible pitch
可逆式螺旋桨 reversible airscrew
在此基础上，利用非线性动态逆方法，设计了系统在额定风速以上工作时的桨距角控制律。
On the basis of this model, the nonlinear dynamic inversion method was applied to design the pitch Angle controller of the system working above the rated wind speed.
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