Control of non-linear non-integer-order systems using variable structure control theory

2013 ◽  
Vol 36 (3) ◽  
pp. 425-432 ◽  
Author(s):  
Mohammad Pourmahmood Aghababa
Keyword(s):  
Control Theory ◽  
Variable Structure Control ◽  
Variable Structure ◽  
Structure Control ◽  
Integer Order ◽  
Non Linear

Control System Design of Missiles with High Angle of Attack Based on Differential Geometry and Variable Structure Control Theory

2013 ◽  
Vol 336-338 ◽  
pp. 641-646
Author(s):  
Yuan Gao
Keyword(s):  
Differential Geometry ◽  
Control Theory ◽  
Control Method ◽  
Angle Of Attack ◽  
Variable Structure Control ◽  
Variable Structure ◽  
High Angle ◽  
High Angle Of Attack ◽  
Structure Control ◽  
Coupling Characteristics

This article has proposed a nonlinear decoupling control method based on differential geometry and variable structure control theory according to the nonlinear and strong coupling characteristics of missile with high angle of attack. The affine nonlinear model of missile with high angle of attack was firstly established, the accurate linearization and input/output decoupling of system were then performed by differential homeomorphism and feedback transformations. On the basis of this, the variable structure controller was designed to reduce the influence of parameter variation and disturbance. Simulation results indicate that nonlinear decoupling of missile with high angle of attack can be realized through this control method, which is superior due to its good static and dynamic characteristics.

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