User`s guide

9 Design Case Studies
9-18
Look at the closed-loop response from rudder to yaw rate.
cl11 = feedback(oloop,–k);
impulse(cl11,20)
The response settles nicely but has less damping than you r previous design.
Finally, you can verify that the washout filter has fixed t he spiral mode
problem. First form the complete washout filter (washout + gain).
WOF = –k * H;
kH s
()