The Bell-Boeing V-22 Osprey tiltrotor is both an airplane and a helicopter. It's advantage is the ability to rotate its engines and rotors to vertical position for take-off, landings, and helicopter flight. Then, rotate to a horizonal position to cruise like an airplane. The altitude control system is shown below. (a) T,00 Controller K(+1.51+0.5) RU) Dynamics I 4 y0) (20s + 1)(10x+1)(0.5+1) Altitude Consider the disturbance input to be zero. MATLAB functions that might come in handy include conv, roots, rlocus, plot, axis, sgrid, rlocfind, tf, feedback, step, and grid. Select all the open loop zeros 0-2 0-1 -0.5 -2.5 0-3 -0.25 -4 -0.05 10