Stability and Control Analysis on a Small-Scale Coaxial Helicopter with Bell-Hiller Stabilizer Bar

Author:

Zi Nie1,Ming Chen1

Affiliation:

1. Beijing University of Aeronautics and Astronautics

Abstract

In the paper, we present a linearized mathematical model of a small scale coaxial helicopter with Bell-Hiller stabilizer bar, which is extracted from numerical linearization of a non-linear mathematical model with small perturbation theory. Stability and control derivatives calculated by numerical method are compared and analyzed for stability and control analysis on coaxial helicopters equipped with different type stabilizer bar. The study indicates that the coaxial helicopter with stabilizer bar fixed on the upper rotors has better capability on stability and control.

Publisher

Trans Tech Publications, Ltd.

Reference7 articles.

1. Gao Zheng, Chen Renliang, Helicopter Flight Dynamic, Nanjing: Science Press, 2003, pp.1-4.

2. Zhou Guoyi, Hu Jizhong, Cao Yihua and WANG Jinjun, Mathematical Model for Twin Rotor Loads of a Coaxial Helicopter, Journal of Aerospace Power, vol. 18, pp.343-347, (2003).

3. Zhou Guoyi, A mathematical model and numerical simulation for coaxial helicopter flight dynamics, Ph.D. dissertation, School of Aeronautics Science and Technology, Beijing University of Aeronautics and Astronautics, Beijing, (2003).

4. Tao Yanhong, Investigation on Stability and Control of a Helicopter with Bell-Hiller Stabilizer bar Nanjing, MS thesis, The Graduate School College of Aeronautics and Astronautics, Nanjing University of Aeronautics and Astronautics, Nanjing, 2006. pp.39-56.

5. Bernard Mettler, Modeling small-scale unmanned rotorcraft for advanced flight control design, Ph.D. dissertation, Department of Mechanical Engineering, Pittsburgh, Pennsylvania, Carnegie Mellon University, (2001).

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