Abstract
Following the flight dynamic modeling, trim study and stability analysis are conducted in Chapter 3. Trim is a state of the aircraft in which forces and moments reach equilibrium. Trim is the basis of many fundamental analysis, including stability analysis, control system design, handling qualities assessment, and simulation. A numerical procedure on how to obtain trim is described. With the trim condition established, a linearization process can be carried out to obtain the linearized model for the rotary-wing aircraft. Elements in the linearized model are called stability and control derivatives. A detailed description on the derivatives is provided, with the emphasis of their physical meanings. To illustrate, three examples are also presented in the chapter, which include a simplified single helicopter system and two hobby helicopters at hover.
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© 2012 Springer Science+Business Media, LLC
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Ren, B., Ge, S.S., Chen, C., Fua, CH., Lee, T.H. (2012). Stability Analysis for Rotary-Wing Aircraft. In: Modeling, Control and Coordination of Helicopter Systems. Springer, New York, NY. https://doi.org/10.1007/978-1-4614-1563-3_3
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DOI: https://doi.org/10.1007/978-1-4614-1563-3_3
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Publisher Name: Springer, New York, NY
Print ISBN: 978-1-4614-1562-6
Online ISBN: 978-1-4614-1563-3
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