Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 110 for “"Flight Data"”.
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Neural Network Models for Generating Synthetic Flight Data
<p>Flight test data is a valuable resource used in many aerospace applications. However, procuring a sufficiently large database of flight test data poses several challenges. Nominal flight tests can be expensive and time-consuming and require much post-processing depending on the availability of …
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Flight Data Processing Techniques to Identify Unusual Events
… of recording hundreds of parameters during flight. This fact not only facilitates the investigation of an accident or a serious incident, but also provides the opportunity to use the recorded data to predict future aircraft behavior. It is believed that, by analyzing the recorded data, one …
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Examining Unstable Approach Predictors Using Flight Data Monitoring Information
<p>The approach and landing phase of flight is statistically the most dangerous part of flying. While it only accounts for 4% of flight time, it represents 49% of commercial jet mishaps. One key to mitigating the risks involved in this flight segment is the stabilized approach. A stabilized …
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Anomaly detection in airline routine operations using flight data recorder data
… detection approach using routine operational data to support proactive safety management. The research applies cluster analysis to detect abnormal flights based on Flight Data Recorder (FDR) data. Results from cluster analysis are provided to domain experts to verify operational significance …
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Estimation of Real-Time Runway Surface Contamination Using Flight Data Recorder Parameters
… and validation with simulated and estimated data, under different runway conditions, is performed. Finally, this report presents results of a sensitivity analysis in order to provide a measure of reliability of the analytic estimation process. Linear and non-linear sensitivity analysis has …
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Predicting Pilot Misperception of Runway Excursion Risk Through Machine Learning Algorithms of Recorded Flight Data
… descent angle/rate, and (e) on a straight flight path to the runway touchdown zone. Continuing an unstable approach to landing was defined as Unstable Approach Risk Misperception in this research. A review of the literature revealed that an unstable approach followed by the failure to …
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Arc rate predictions and flight data analysis for the Solar Array Module Plasma Interactions experiment (SAMPIE)
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Aeronautics and Astronautics, 1995.
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Aerodynamic Modeling in Nonlinear Regions, including Stall Spins, for Fixed-Wing Unmanned Aircraft from Experimental Flight Data
… to create high-fidelity aerodynamic models with flight test techniques developed specifically for remotely piloted aircraft. Then, highly maneuverable unmanned aircraft can be employed to their greatest potential in a safe manner using advanced control laws. In this dissertation, novel techniques …
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Arc rate predictions and flight data analysis for the photovoltaic array space power plus diagnostics (PASP Plus) experiment
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Aeronautics and Astronautics, 1995.
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Utilizing Flight Data Monitoring at a Part 141 Flight School to Determine Predictors for Unstabilized Approaches and Go-arounds
… carriers, and the approach and landing phase of flight accounts for more accidents than any other phase of flight, the study of the approach and landing phase of flight is warranted in greater detail. Flight Data Monitoring provides an excellent source of data for the study of individual landing …
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A Low-Cost Method of Airspeed Data Acquisition via Image Processing and Experimental Aerodymanic Load Calculation Using Panel Methods
… Most general-aviation aircraft do not possess flight data acquisition systems to gather in-service information. As such, this thesis presents the development of a low-cost method to acquire experimental flight data and the subsequent aerodynamic load calculations to obtain a load history for a …
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Helicopter Flight Operational Quality Assurance (HFOQA): Development of HFOQA Analysis Software
<p>Flight Operational Quality Assurance (FOQA), or Flight Data Monitoring (FDM), has benefited flight safety in both fixed-wing and helicopter operations. The relative youth of FOQA programs has resulted in their minimal application among the helicopter fleets of the world; thus, Helicopter FOQA …
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A System Architecture for Phased Development of Remote sUAS Operation
… future operational concept is the ability for a flight data system to effectively communicate flight status to the remote operator. A system architecture has been developed to facilitate the implementation of such a flight data system. Utilizing the system architecture framework, a Phase I …
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A Mixed Method Approach to Collegiate Aviation Self-Assessment of G-Load on Landing: Pilot Perception Versus Reality
… transport category aircraft are equipped with flight data monitoring (FDM) as a secondary data source that can help pilots determine if a hard landing occurred, but FDM is not commonplace in general aviation. It is important for a pilot to be able to differentiate between a firm landing that …
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Measurement of unsteady aerodynamic characteristics of a subscale aerobatic aircraft in high angle-of-attack maneuvers
High angle-of-attack flight testing was performed using the UIUC Subscale Sukhoi, which is a 35% scale, 2.6 m (102 in) wingspan Sukhoi 29S electric model aircraft that was developed at the University of Illinois at Urbana-Champaign. The aircraft was instrumented with a custom sensor data …
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Automatic Dependent Surveillance - Broadcast Enabled, Wake Vortex Mitigation Using Cockpit Display
… to cause accidents during the landing phase of flight. This thesis work documents the development and testing of a prototype cockpit display to help pilots avoid this wake turbulence using ADS-B technology. Several landing profiles of the wake generating aircraft and the trailing aircraft were …
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Investigating bird flight characteristics and habitat use to better understand ornithological impacts of wind farms
… In this thesis I have highlighted how bird flight characteristics and habitat use can be better quantified and the consequences this may have for the assessment of the impacts of wind energy developments on birds.<br/>Assessing the risk of collision between birds and wind turbines is a …
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Aerodynamic Parameter Identification of a Venus Lander
… for a Venus lander based on experimental free-flight data. The experimental free-flight data were collected in the NASA Langley 20-ft Vertical Spin Tunnel with a 25-percent Froude-scaled model. The experimental data were classified based on the wind tunnel run type: runs where the lander model …
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Monitoring separation process in separator tanks by ultrasound technique
… of this method is the exclusion of the time-of-flight data in the monitoring process. To estimate the liquid level, the traditional method has been to measure the time of flight of ultrasound pulses. However, this project presents a novel approach that solely relies on the analysis of the …
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Linear Control of Unmanned Aerial Vehicles
… covering the complete process from raw data-driven model development to advanced control design and experimental validation. The study begins by introducing a control-oriented system identification methodology aimed at achieving model-based multirotor flight control without the reliance …
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