Turbulence compensated throttle control system

Claim 1

In combination in an autothrottle control system for an aircraft; means including a first signal control channel for processing a signal representative of airspeed error and providing an output; means including a second signal control channel for processing a signal representative of inertial longitudinal acceleration and providing an output; means for combining the outputs of said first and second signal control channels to provide a throttle command signal; means for providing a signal representative of airspeed; washout and lag circuit means having an output, said washout and lag circuit means coupled between said second signal control channel and said means for providing a signal representative of airspeed; a signal processing circuit connected in series circuit path between the output of said washout and lag circuit means and said second signal control channel, said signal processing circuit including a limiter circuit (604) and subtraction means (612) for subtracting the limited signal (631) from the input signal upstream from said limiter circuit to provide a remainder signal (636), said signal processing circuit further including a filter circuit (620) for processing said remainder signal and combining circuit means (610) for adding an integrated limited signal (626) and the processed remainder signal (627); and, gust bias signal generating means coupled between said output of said washout and lag circuit means and said first signal control channel.