Unmanned aircraft, commonly referred to as drones, represent a valuable alternative for various operational tasks due their versatility, flexibility, cost-effectiveness, and reusability. These features make them particularly advantageous in environments that are hazardous or inaccessible humans. Recent developments have highlighted significant increase the use of unmanned aircraft within metropolitan areas. This growth has necessitated implementation new regulations guidelines ensure safe...

Failures of the air data system due to exceptional weather conditions have shown be among leading causes aviation accidents. In this respect, most aircraft Pitot tube failure detection schemes rely on mathematical models and simplified assumptions uncertain parameters disturbances. These methods typically require "ad hoc" time-consuming tuning procedures that may produce unreliable performance when validated with actual flight data. paper, a complete semiautomated data-driven approach is...

Multiconstellation satellite navigation is critical in signal-degraded environments where signals are strongly corrupted. In this case, the use of a single GNSS system does not guarantee an accurate and continuous positioning. A possible approach to solve problem multiconstellation receivers that provide additional measurements allows robust reliability testing; work, GPS/GLONASS combination considered. urban scenario, modification classical RAIM technique necessary taking into account...

In recent years the use of Unmanned Aerial Vehicles (UAVs) has considerably grown in civil sectors, due to their high flexibility use. Currently, two important key points are making them more and successful field, namely decrease production costs increase navigation accuracy. this paper, we propose a Kalman filtering-based sensor fusion algorithm, using low cost platform that contains an inertial measurement unit (IMU), five ultrasonic ranging sensors optical flow camera. The aim is improve...

In this paper a procedure that creates three dimensional (3D) virtual map useful for Safe Landing of an UAV Quadcopter [3], through Ultrasonic Sensor Model is presented. Reflective sound waves produced from sonar sensor were analyzed and managed to generate constructed plane where the landing possible safe. The low-cost gives relatively accurate range readings if there are disregarding angular uncertainty specular reflections. Application works horizontal with without obstacles inside it....

Purpose Theadvanced air mobility (AAM) is defined by National Aeronautics and Space Administration (NASA) as safe, accessible, automated affordable transportation system for passengers cargo, capable of serving previously hard-to-reach urban rural sites. The purpose this paper to focus on explaining potential solutions, under study the authors, which could support beyond visual line sight (BVLOS) operations goods delivery in a safe way. Design/methodology/approach According recent...

UASs (Unmanned Aerial Systems) have become increasingly popular for both military and civil applications, thanks to improved batteries, motors, rapidly falling prices. They are mostly implemented during various operation tasks, as search rescue, disaster assessment, urban traffic monitoring, 3D mapping, etc., that would be risky or impossible a human perform. DAA (Detect Avoid) is new technology necessary safely avoid obstacles other aircrafts. In this paper low-cost sensors, such 10-DOF...

Unmanned Aircraft Systems (UASs) or Remotely Piloted (RPASs), commonly known as drones, constitute a research field that has been extensively explored in the last decade, operational contexts such search and rescue, disaster assessment, urban traffic monitoring, logistics, military operations like surveillance into war zone, reconnaissance, many more. In framework of autonomous UAV missions, precise feedback on real-time aircraft position is very important. For outdoor operations,...

Unmanned Aerial Vehicles (UAV) with on-board augmentation systems (UAS, Aircraft System) have penetrated into civil and general-purpose applications, due to advances in battery technology, control components, avionics rapidly falling prices. This paper describes the conceptual design validation campaigns performed for an embedded precision Positioning, field mapping, Obstacle Detection Avoiding (PODA) platform, which uses commercial-off-the-shelf sensors, i.e., a 10-Degrees-of-Freedom...

Although very uncommon, the sequential failures of all aircraft Pitot tubes, with consequent loss signals for dynamic parameters from Air Data System, have been found to be cause a number catastrophic accidents in aviation history. This paper proposes robust data-driven method detect faulty measurements airspeed, angle attack, and sideslip. approach first consists appropriate selection suitable sets model regressors used as inputs neural network-based estimators online failure detection. The...

Unmanned aerial vehicles, actually Federal Aviation Administration calls them unmanned aircraft systems, have aroused a great deal for many applications in the scientific, civil, and military sectors. The goal of this article is to evaluate acoustic emissions some small systems during normal flight operations (e.g. take off, landing, turning, hovering) related electric engines propellers. This analysis will be useful developing system (unmanned Tracking Reconnaissance System), which able...

Basalt fibers are receiving increasing consideration because they seem to be adequate as reinforcement of composites and comply with the environmental safeguard rules. However, many factors affect performance composite material, demanding specific testing; one may assessment under impact tests. The attention present work is focused on detection damage in basalt-based two non-destructive testing techniques: lock-in thermography (LT) ultrasonic (UT). Two different types materials considered...

The use of Unmanned Aerial System (UAS) applications is growing in both civilian and military fields. Fully autonomous UAS are useful to a variety disciplines; for example, they can provide structural damage inspections critical or dangerous areas (e.g. the L'Aquila earthquake Italy, Hurricane Ike Galveston, Texas, USA). However, some conditions, such as urban low altitude operations, Global Navigation Satellite (GNSS) receiver antenna prone losing line-of-sight from satellite, making GNSS...

The use of the Unmanned Aerial Vehicles (UAV) and Aircraft System (UAS) for civil, scientific, military operations, is constantly increasing, particularly in environments very dangerous or impossible human actions. Many tasks are currently carried out metropolitan areas, such as urban traffic monitoring, pollution land security surveillance, delivery small packages, etc. Estimation features around flight path surveillance crowded where there a high number vehicles and/or obstacles, extreme...

In the last few years, Unmanned Aerial Systems (UAS) have been attracting enormous research interest, being employed in military and civilian missions (e.g. search rescue, disaster assessment, urban traffic monitoring, 3D mapping, etc.) that would be risky or impossible for a human to perform. For autonomous aided operations automatic landing), it is crucial on board an effective suite of sensors allowing navigation unknown environments. This work performs obstacle detection attitude...

Localization of unmanned aircraft systems (UASs) in indoor scenarios and GNSS-denied environments is a difficult problem, particularly dynamic where traditional on-board equipment (such as LiDAR, radar, sonar, camera) may fail. In the framework autonomous UAS missions, precise feedback on real-time position very important, several technologies alternative to GNSS-based approaches for positioning navigation have been recently explored. this paper, we propose low-cost IPS UAVs, based Bluetooth...

Unmanned Aircraft Systems (UASs) have gained large consensus during the last decade, due to their versatility in military and civilian tasks. For some operations, it is necessary a good sensor embedded platform that allows navigation unknown environment. This paper shows use of low-cost sensors fusion for obstacle detection avoidance: Sonic ranger (SR) Light ranging (LIDAR). Further are also installed on UAS (e.g. ADXL335 3-axis accelerometer), order redundant information relative position...

This study is concerned with the activation energy threshold of bistable composite plates in order to tailor a system for specific aeronautical applications. The aim explore potential configurations and their dynamic behavior designing novel morphing structure suitable aerodynamic surfaces and, as possible further application, power harvesters. Bistable laminates have two stable mechanical shapes that can withstand loads without additional constraint forces or locking mechanisms. kind...

This paper describes the findings of AIRPASS (Advanced Integrated RPAS Avionics Safety Suite) project. The project aims to develop an on-board system concept be used for drones that intend operate in European U-space. Single Sky ATM Research Joint Undertaking (SESAR JU) drafted U-space blueprint describe a set services shall enable safe, efficient and secure integration large number into non-segregated airspace, especially Very Low Level (VLL) operations). Services are not limited but also...