This chapter provides an overview of flight control systems for rotorcraft at an introductory level. There exist many rotorcraft configurations, however, we will focus our attention on conventional helicopters to provide a fundamental understanding. We will cover standard and advanced control design methods to design and validate flight control algorithms for both stability augmentation and autopilot systems. We will touch on some essential elements of feedback control theory before showing how the design methods are implemented. A key characteristic of the discussed design methods is that they are suitable for multivariable systems, which offer advantages for minimising key helicopter dynamic couplings. The control design methods also offer improved robustness properties leading to flight envelope protection characteristics. We will cover key metrics to assess the robustness and performance properties of the flight control laws from a control theory approach. These control laws form the basis for the assessment of the flight control laws in terms of handling qualities.
Rotorcraft Control Systems
Springer Aerospace Techn.
2023-01-28
28 pages
Article/Chapter (Book)
Electronic Resource
English
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