Browsing by Author "Belas, Ana Isabel Chitas Pires"
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- Urban Air Mobility Longitudinal Flight Transition Control for VTOL AircraftPublication . Belas, Ana Isabel Chitas Pires; Bousson, KouamanaUrban Air Mobility (UAM) represents a transformative paradigm in transportation, propelled by advancements in Vertical Takeoff and Landing (VTOL) technology. This master’s dissertation delves into the intricate dynamics and control aspects of VTOL aircraft, specifically focusing on the transition from hover to forward flight for UAM applications. The research centers on three interconnected goals: optimizing Linear Quadratic Regulator (LQR) controllers, addressing practical implementation challenges, and conducting a simulationbased analysis of controller performance. The investigation into LQR controllers reveals their potential for fine-tuning control strategies during the critical VTOL transition phase. Achieving enhanced stability, precision, and efficiency, this optimization contributes not only to theoretical control frameworks but also establishes a practical foundation for robust and adaptive control systems in VTOL UAM aircraft. Exploration of practical implementation challenges provides valuable insights into realworld constraints associated with VTOL transition. Propulsion system dynamics, aerodynamic effects, and sensor limitations are scrutinized, offering a roadmap for integrating advanced control algorithms into operational UAM vehicles. A rigorous simulation-based analysis evaluates the performance of optimized LQR controllers in dynamic flight environments. Validating their efficacy and providing a platform for sensitivity analysis, this analysis is crucial for anticipating and mitigating challenges in real-world applications. Reflecting on the implications of this research, the optimized LQR controllers, coupled with a deeper understanding of practical challenges, stand to reshape the landscape of VTOL UAM aircraft. This simulation-based analysis not only validates controllers but serves as a predictive tool for assessing robustness across diverse operational conditions. Looking ahead, the goals achieved in this dissertation set the stage for continued advancements in UAM. The optimized LQR controllers, informed by practical considerations, provide a foundation for further exploration and adaptation. Future research may extend into lateral flight, application of Gain Scheduling control strategies, experimental validations, real-world testing, and the integration of additional control features to enhance adaptability in dynamic urban environments. In conclusion, this research contributes significantly to the discourse on urban air mobility. By addressing specific goals and providing actionable insights, it expands the theoretical framework and offers valuable guidance for engineers, researchers, and policymakers involved in the development of VTOL UAM systems. This dissertation represents a pivotal milestone in the pursuit of safe, efficient, and sustainable urban air transportation, laying the groundwork for the seamless transition from hover to forward flight in VTOL aircraft.