Flight Motion Simulators (FMS) play an important role for Hardware-In-The-Loop (HWIL) Simulation of air vehicles and missiles since they are used to simulate the rotational motion of the Unit-Under-Test (UUT). The quality of the HWIL testing is highly dependent on the performance of the FMS. Hydraulic based FMS have reasonably fast responses. However, their performance can be degraded due to nonlinearities inherent in the hydraulic system or changes in operating conditions. The aim of this work is to develop a state of the art FMS controller which can automatically compensate for any change in the operating conditions and reduce the effect of the nonlinearities inherent in the system in order to maintain the performance of the FMS.
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