Post by Br. Marius on Mar 5, 2015 18:28:37 GMT
The blade flapping equation in hover is given as follows, where \(\Delta\theta\) is the pitch actuation caused by a feedback system in the form of \(\Delta\theta=\beta_{3c}cos(3\psi)\). Using Fourier coordinate transformation convert these equations into the fixed frame coordinates for a 4-bladed rotor.
\(\ddot{\beta}+\frac{\gamma}{8}\dot{\beta}+\nu_{\beta}^2\beta=\frac{\gamma}{8}\Delta\theta-\frac{\gamma}{6}\lambda\)
\(\ddot{\beta}+\frac{\gamma}{8}\dot{\beta}+\nu_{\beta}^2\beta=\frac{\gamma}{8}\Delta\theta-\frac{\gamma}{6}\lambda\)