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Trajectory Based Operations (TBO) is a key component of both the US Next Generation Air Transport System (NextGen) and Europe's Single European Sky ATM Research (SESAR). There is a significant amount of effort underway in both programs to advance this concept. Trajectory Synchronization and Negotiation are key required capabilities in both the NextGen and SESAR TBO concepts, and they provide the framework...
Autonomous deconfliction capability is crucial to the successful deployment of unmanned aircraft systems (UAS) in most of their envisioned application scenarios. Civil and military applications of UAS demand ever-decreasing levels of human involvement and oversight, hence, UAS need to grow in autonomy. Autonomous deconfliction is a capability that is not only essential for the UAS's self-preservation,...
This paper offers a framework that helps in characterizing, analyzing, and developing Unmanned Autonomous Systems (UAS) capabilities including autonomy, adaptability, and machine cognition. We propose a technical reference model that brings these levels of capabilities together into a three-dimensional graphical model. Based on this technical reference model, we offer a system-theoretic analysis framework...
This paper presents a practical and simple approach to the design of autonomous flight control of miniature helicopters. It considers a standard easily tunable PID control as the starting step of the design. Then, robust loop-shaping techniques are applied to derive a controller with optimal properties with respect to robustness, noise sensitivity, and bandwidth. Comprehensive analysis and simulation...
Localization is a key function in wireless sensor networks (WSNs). Many applications and internal mechanisms require nodes to know their location. This work proposes a new sequential estimation algorithm for distributed cooperative localization, whose simplicity makes it amenable to self-localization in wireless sensor networks (WSNs), characterized by their restricted resources in energy and computation...
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