Lateral-directional flight control for single engine failure in catapult launch

Single engine failure is a typical asymmetric problem for twin-engine carrier-based aircraft, which induces rolling and yawing divergence and aggravates takeoff performance during catapult launch. Multi-agents dynamics model integrated with aircraft, carrier and sea level atmosphere is established for the analysis of departure characteristics. Numerical simulation results reveal that lateral-directional departure is much more serious in catapult flyaway than in deck run. Based on control augmentation theory, the structure and feedback selection of assistant control law is researched to improve safety margin as well as reduce pilot workload. Pre-calculated rudder deflection is the primary control to against asymmetric moment once one engine is inoperative. Finally, the effectiveness of designed control system is validated by further simulation results.