This Special Issue book contains selected papers from works presented at the 9th EASN (European Aeronautics Science Network) International Conference on Innovation in Aviation & Space, which was held in Athens, Greece from the 3rd until the 6th of September, 2019. About 450 participants contributed to a high-level scientific gathering, providing some of the latest research results on the topic, as well as some of the latest relevant technological advancements. Eight interesting articles, which cover a wide range of topics including characterization, analysis and design, as well as numerical simulation, are contained in this Special Issue.

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Hypersonic flight vehicles have the potential to enable a range of future aviation and space missions. However, the extreme environmental conditions associated with high Mach number flight pose a major challenge for vehicle aerodynamics, materials and structures, and flight control, particularly within the hybrid ramjet/scramjet/rocket propulsion systems. The complexity of hypersonic vehicles requires closer coupling of aerodynamics and design principles with new materials development to achieve expanded levels of performance and structural durability. This book focuses on the fundamental disciplines and practical applications involved in the investigation, description, and analysis of super- and hypersonic aircraft flight including applied aerodynamics, aircraft propulsion, materials, and other topics.

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This open access book is valuable in gaining an understanding of the working mechanism of pulsed plasma thrusters

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This open access book is valuable in gaining an understanding of the working mechanism of pulsed plasma thrusters

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The book continues with an experimental analysis conducted to obtain accurate and complete information about electric vehicles in different traffic situations and road conditions. For the experimental analysis in this study, three different electric vehicles from the Edinburgh College leasing program were equipped and tracked to obtain over 50 GPS and energy consumption data for short distance journeys in the Edinburgh area and long-range tests between Edinburgh and Bristol. In the following section, an adaptive and robust square root cubature Kalman filter based on variational Bayesian approximation and Huber’s M-estimation is proposed to accurately estimate state of charge (SOC), which is vital for safe operation and efficient management of lithium-ion batteries. A coupled-inductor DC-DC converter with a high voltage gain is proposed in the following section to match the voltage of a fuel cell stack to a DC link bus. Finally, the book presents a review of the different approaches that have been proposed by various authors to mitigate the impact of electric buses and electric taxis on the future smart grid.

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