Precision Aerial Delivery Systems

Modeling, Dynamics, and Control
Provides an overview of the recent developments in precision aerial cargo delivery from the standpoint of developing guidance, navigation and control algorithms for the self-guided parafoil, and parachute-based aerial delivery systems.
Precision Aerial Delivery Systems: Modeling, Dynamics, and Control provides an overview of the recent developments in precision aerial cargo delivery from the standpoint of developing guidance, navigation and control (GNC) algorithms for the self-guided parafoil and parachute-based aerial delivery systems (PADS). Developing a robust GNC system involves aerodynamics modeling, structural and parametric system identification, understanding the environment PADS glides through developing and testing suitable navigation solutions, guidance strategies, and controllers. Introduction of ram-air gliding parachutes in Sportive sky diving in the early 1970s ended the era of round canopies. Availability of GPS in the late 1990s opened an era of autonomous vehicles, which boosted an interest in self-guided PADS. A substantial improvement in achieving a better landing accuracy demonstrated by the different-weight PADS during the last decade expanded the area of their potential usage.Miniaturization and availability of sensors allowed developing micro-light PADS that not only have their own market niche, but make it possible for universities to utilize these systems in their curricula and research along with other unmanned vehicles. Thus the intended audience for this book is not only professionals and researchers, but graduate and postgraduate students working in the areas of aerial systems modeling and GNC algorithms design as well. The book is coauthored by eleven experts and addresses the following topics: PADS and measures of their effectiveness; Basic analysis of the ram-air parachute; Key factors affecting PADS landing accuracy; Aerodynamic characterization of parafoils; Equations of motion; Stability and steady-state performance; Guidance, navigation, and control; Glide-angle control; Control of nonglidlng parachute systems; Flight test instrumentation; Parametrical identification of PADS.

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