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- W2997257850 abstract "A comprehensive helicopter flight dynamics code is developed based on the UH-60 helicopter and named Texas A&M University Rotorcraft Analysis Code (TRAC). This is a complete software package, which could perform trim analysis to autonomous flight simulation and the capability to model any helicopter configuration. Different components of the helicopter such as the main rotor, tail rotor, fuselage, vertical tail, and horizontal tail are modeled individually as different modules in the code and integrated to develop a complete UH-60 model. Since the code is developed on a module basis, it can be easily modified to adopt another component or configure a different helicopter. TRAC can predict the dynamic responses of both the articulated rotor blades and the helicopter fuselage and yields the required pilot control inputs to achieve trim condition for different flight regimes such as hover, forward flight, coordinated turn, climb/descent, etc. These trim results are validated with the test data obtained from the UH-60 flight tests conducted by the US Army. Beyond trim analysis, TRAC can also generate linearized models at various flight conditions based on a first-order Taylor series expansion. The extracted linear models show realistic helicopter dynamic behavior and were used to simulate a fully autonomous flight that involves a UH-60 helicopter approaching a ship and landing on the deck by implementing a Linear Quadratic Regulator (LQR) optimal controller." @default.
- W2997257850 created "2020-01-10" @default.
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- W2997257850 date "2020-01-05" @default.
- W2997257850 modified "2023-09-26" @default.
- W2997257850 title "Development and Validation of a Comprehensive Helicopter Flight Dynamics Code" @default.
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- W2997257850 doi "https://doi.org/10.2514/6.2020-1644" @default.
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