main_epsilon: calculate polynomial event trigger for elevation subsystem.
main_rho_tau: calculate polynomial event triger for couple pitch-travel subsystem.

ATTENTION: Please load input.mat, parameters.mat and closed_loop_parameters.mat before running the following mdl files.
event_triggered_helicopter: simulate the 3DOF helicopter with polynomial event triggers.
periodically_triggered_helicopter: simulate the 3DOF helicopter with periodic sampling.