Integral Sliding-Mode Control with Applications to Aircraft Dynamics

Abstract:

A Continuous Sliding-Mode Controller (CSMC) using integral action is implemented to control the response of the longitudinal dynamics of an aircraft. Model-following of the pitch rate q is obtained through this method. Asymptotic regulation achieved by integral control has its downsides because transient performance is reduced. A solution to this problem consists in using the integral action only “conditionally”, thus eliminating the performance downgrade. Finally a comparison will show how Sliding-mode control will minimize the chattering phenomenon and also reduce “integrator windup” problem, thus minimizing the loss of transient performance.

• Periodical: Applied Mechanics and Materials (Volume 245)
• Pages: 340-345
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.245.340
• Online since: December 2012
• Authors: Costin Ene
• Keywords: Chattering Reduction, Conditional Integrator, Integral Control, Longitudinal Dynamics, Sliding-Mode Control

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