PiLS of Embedded Hybrid MPC for Fighter Aircraft Attack Angle Control Using QP-based Approximation of MINLP

초록

The control of an aircraft's attack angle is critical for flight safety. This study presents a control framework that accounts for nonlinear dynamics and discrete input constraints while remaining feasible for real-time implementation. Focusing on the F-8 Crusader aircraft, the original Mixed-Integer Nonlinear Programming (MINLP) problem is relaxed into a continuous Quadratic Program (QP) and addressed using a Linear Parameter-Varying MPC (LPV-MPC) structure, with discrete constraints approximated via Rule-Based Control (RBC). The framework is validated through Processor-in-the-Loop (PiL) simulation on a Teensy 4.1 microcontroller. Both strategies stabilized the attack angle to 0 rad for prediction horizons of 4 and 8 with a 0.05 s sampling time, and the LPV-MPC+RBC method met the 50 ms real-time control requirement on the embedded platform.

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