Static characteristic and describing function of polynomial compensated nonlinearities

Paper deals with polynomial compensation nonlinearities. Most actuators are nonlinear sporting nonlinearities such as deadzone, saturation and others. One way of dealing with such actuators is to try to compensate nonlinearities by polynomial representation of inverse nonlinearity. Compensated actuators can improve behavior of the system, but then we have a new nonlinearity in the system, polynomial compensated nonlinearity. Paper will show how to obtain static characteristic and describing function of such nonlinearities.