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Tailless aircraft handling and stability characteristics

Author: JiangJing
Tutor: XiongLiChuan
School: University of Electronic Science and Technology
Course: Control Theory and Control Engineering
Keywords: Tailless aircraft Handling and stability characteristics Heading static instability Drag rudder Augmentation
CLC: V249.1
Type: Master's thesis
Year: 2011
Downloads: 76
Quote: 0
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Abstract


Handling and stability characteristics of the aircraft control system is designed to go through before . Handling and stability characteristics according to analysis results to design a control system allows the aircraft has good stability and maneuverability . This paper will discuss in detail tailless aircraft handling and stability characteristics of analytical methods and tailless aircraft heading for the problem of instability propose solutions. The main contents are as follows: First, the introduction of aircraft handling and stability characteristics of analytical methods , including aircraft static stability , dynamic stability criterion and modal analysis method, and in accordance with the requirements of the flying qualities stability rating. Also pointed out that tailless aircraft and conventional aircraft characterization methods different. Secondly, tailless aircraft heading for manipulating the difficult problem , this paper proposes two solutions. And the feasibility of the two programs to evaluate and compare , finally adopted on the wing mounting drag rudder solution. Again, the analysis of aircraft longitudinal and transverse direction and control aircraft three ways and manipulation efficiency. In the course , especially for conventional aerodynamic aircraft rudder effect on the resistance of the rudder steerage detailed assessment of the efficiency of the operation . Then, MATLAB as simulation platform tailless aircraft handling and stability characteristics of the rudder effectiveness analysis , and results of the analysis based design heading control augmentation loop stability augmentation by adjusting the loop gain parameters to improve the natural frequency of the aircraft , thereby improving tailless aircraft heading static stability . Finally, MATLAB as simulation platform, the aircraft heading trim features added to the augmentation design for flight control law is designed to protect the aircraft has good maneuverability and stability.

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CLC: > Aviation, aerospace > Aviation > Aircraft instrumentation,avionics, flight control and navigation > Flight control system and navigation > Flight control
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