Performance limitations in trajectory tracking control for air-breathing hypersonic vehicles |
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Authors: | Boyi CHEN Yanbin LIU Haidong SHEN Hao LEI Yuping LU |
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Institution: | 1. College of Astronautics, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China;2. College of Automation Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China |
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Abstract: | An integrated approach that considers the performance limitations of tracking control systems for air-breathing hypersonic vehicles is proposed. First, a set of ascent trajectories is obtained as candidates for tracking control through a trajectory design method that considers the available acceleration. Second, the basic theory of performance limitations, which is adopted to calculate the limits on control performance through the trajectory, is integrated. The open-loop dynamics of air-breathing hypersonic vehicles is responsible for these limits on the control system. Comprehensive specifications on stability, tracking accuracy, and robustness are derived, and the flight envelope with constraints and control specifications is identified. Simulation results suggest that trajectory design should consider restrictions on control performance to obtain reliable solutions. |
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Keywords: | Bandwidth constraints Hypersonic vehicles Performance limitations Robust performance Trajectory tracking control |
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