The block diagram of an auto-pilot is shown in the annex.For each control channel (pitch, roll and yaw) the piloting law is the relationship between the deflection of the control surface commanded by the computer (BETA c) and the:
Domanda 42, Aircraft General Knowledge - Instrumentation - ATPL - Airline Transport Pilot license
Pilot command E.
Aircraft response S.
Offset EPSILON at the computer input.
Real deflection of the control surface (BETA control surface feedback).