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Technical Paper

The Role of Aircraft Recorders in Human Performance Investigations

1983-10-03
831414
Efforts to learn the reasons why these apparent errors in behavior or performance occur have been largely speculative until Flight Data Recorders and Cockpit Voice Recorders became available in large transport aircraft. Two accidents are examined in which the data provided by the aircraft recorders were employed to explain the underlying reasons for the sequence of events that culminated in the accidents. ...Two accidents are examined in which the data provided by the aircraft recorders were employed to explain the underlying reasons for the sequence of events that culminated in the accidents. ...It is concluded that aircraft recorders are essential basic tools of the human performance investigator requiring quality, dependability and state-of-the-art equipment to refine the investigative methodology of human performance investigations.
Standard

Minimum Performance Standard General Aviation Flight Recorder

2008-02-16
CURRENT
AS8039A
This standard covers three (3) basic types of flight recorders as defined below: All requirements specified in Sections 3, 4, 5, 6 and 7 of this standard shall be applicable to all recorder types unless otherwise noted. ...This standard covers three (3) basic types of flight recorders as defined below: All requirements specified in Sections 3, 4, 5, 6 and 7 of this standard shall be applicable to all recorder types unless otherwise noted.
Standard

MINIMUM PERFORMANCE STANDARD for UNDERWATER LOCATING DEVICES (ACOUSTIC) (Self-Powered)

1993-05-01
HISTORICAL
AS8045
This AS covers Underwater Locating Devices (ULD) to assist in finding flight recorders, cockpit recorders or aircraft or both. Such ULDs are to be installed adjacent to the recorders in a manner that they are unlikely to become separated during crash conditions. ...Such ULDs are to be installed adjacent to the recorders in a manner that they are unlikely to become separated during crash conditions.
Technical Paper

Disciplines of Organization

1967-02-01
670341
American Airlines is implementing three basic programs in the flight performance area in an effort to reduce risks: centralized flight training, line flying checks in the hands of Flight Standards superintendents, and routine surveillance of operations by use of flight performance recorders and accompanying computer programs.
Technical Paper

A Software Toolkit for Life Support System Simulation Modelling

1990-07-01
901441
The simulation tool supports plotting of user-selectable model outputs to one or more on-screen strip chart recorders, each having up to four channels. This paper describes key features of several blocks, as well as a hybrid physicochemical/bioregenerative life support system model.
Standard

Procedure for the Calculation of Aircraft Emissions

2009-07-27
CURRENT
AIR5715
Therefore, several methods have been included in this document as indicated below with the emissions methods categorized by pollutants: Emissions Modeling Methods ○ NOx, CO, and THC ▪ P3T3 ▪ Boeing Fuel Flow Method 2 (BFFM2) ▪ Deutsche Forschungsanstalt fur Luft- and Raumfahrt (DLR) Method ▪ International Civil Aviation Organization (ICAO) Reference Method ○ CO2, H2O, and SOx ▪ Fuel Composition Method (FCM) ○ VOC, NMVOC, CH4 and NMTHC ▪ Derivative Factor Method (DFM) ○ N2O ▪ Approximate Factor Method (AFM) ○ PM2.5 and PM10 ▪ First Order Approximation (FOA) Aircraft Performance Methods ○ Aircraft performance data from flight data recorders ○ Manufacturer aircraft performance models ○ SAE AIR 1845 combined with Eurocontrol’s Base of Aircraft Data (BADA) ○ Eurocontrol’s BADA ○ Other aircraft performance models such as the Project Interactive Analysis and Optimisation (PIANO) tool Both of these sets of emissions and aircraft performance methods are listed in the order in which they are presented in this document.
Technical Paper

Study on Individual Differences in Thermal Stress Using Black Box Models

2004-07-19
2004-01-2287
Transient human thermal response characteristics are investigated using two US Army experimental datasets as part of an on-going study to model thermal risk for the warfighter. This paper reports two black box models developed as initial steps to understand the effect of individual differences on transient thermal response and risk. In the first black box model, two transient climatic parameters and six individual characteristics are used as inputs to predict 12 thermal responses including two psychophysical outputs (temperature sensation magnitude, Tsens, and comfort vote, Disc) using experimental data from 35 subjects. For the second black box model, additional individual characteristics are used to model Tcore, Tskin, and the time limit for the individual tolerance to heat stress with heavy clothing, using data from 22 subjects. The insights developed using these component models will be used to develop a decision making framework to predict thermal risk for the warfighter.
Technical Paper

The Application of Simulation Tools to Ultra-deep Water Development Programs and its Relevance to Space Exploration

2009-07-12
2009-01-2478
Oceaneering has developed a highly reliable contact physics simulation system called Modular Integrated Machine-human Interaction Control (MIMIC) in support of the ultra-deepwater oil and gas industry. This paper provides an overview of MIMIC as it is used offshore, explains Oceaneering's use of the simulation tool to validate requirement-driven design concepts in complex ultra-deepwater operations, and describes how a similar system could be used to validate space exploration designs and operational scenarios. There are many program phases from ultra-deepwater projects that are analogous to space exploration. Conceptual design, tooling and system design validation, and worksite design validation are required in both applications. Comparable specialized engineering support and virtual system integrated testing is conceivable, and operations planning can draw on experience from subsea projects.
Journal Article

Health Monitoring of Electro-Pneumatic Controlled Systems Using Multivariate Latent Methods: An Experimental Validation

2013-01-15
2013-01-9097
Electro-Pneumatic systems exhibit highly nonlinear characteristics due to air compressibility, the presence of friction and the nonlinearities of control valves. Monitoring by acquiring the system's transfer function accurately can be difficult for nonlinear systems. This paper outlines a new idea that one can deal with the electro-pneumatic system as a black box, and using a multivariate technique called principal component analysis (PCA) and projection to latent structure discriminant analysis (PLSDA) to provide robust information about the system's condition. The monitoring system has been experimentally validated for an electro-pneumatic printing machine system using vibration, pressure and displacement sensory data integration using PCA-PLSDA algorithm. Experiments were conducted under two pressures for three artificially conditions: normal, throttled, and leaking system.
Technical Paper

Neural Network Modeling of Black Box Controls for Internal Combustion Engine Calibration

2024-07-02
2024-01-2995
The calibration of Engine Control Units (ECUs) for road vehicles is challenged by stringent legal and environmental regulations, coupled with short development cycles. The growing number of vehicle variants, although sharing similar engines and control algorithms, requires different calibrations. Additionally, modern engines feature increasingly number of adjustment variables, along with complex parallel and nested conditions within the software, demanding a significant amount of measurement data during development. The current state-of-the-art (White Box) model-based ECU calibration proves effective but involves considerable effort for model construction and validation. This is often hindered by limited function documentation, available measurements, and hardware representation capabilities. This article introduces a model-based calibration approach using Neural Networks (Black Box) for two distinct ECU functional structures with minimal software documentation.
Technical Paper

The Seat Interference Potential as an Indicator for the Aircraft Boarding Progress

2017-09-19
2017-01-2113
Passenger boarding is always part of the critical path of the aircraft turnaround: both efficient boarding and online prediction of the boarding progress are essential for a reliable turnaround progress. However, the boarding progress is mainly controlled by the passenger behavior. A fundamental scientific approach for aircraft boarding enables the consideration of individual passenger behaviors and operational constraints in order to develop a sustainable concept for enabling a prediction of the boarding progress. A reliable microscopic simulation approach is used to model the passenger behavior, where the individual movement is defined as a one-dimensional, stochastic, and time/space discrete transition process. The simulation covers a broad range of behaviors and boarding strategies as well as the integration of new technologies and procedures.
Magazine

Mobility Engineering: December 2015

2015-12-01
Uncertainty quantification The technique is a must for next-generation simulation tools. Oil-pump sizing Researchers from Hinduja Tech investigate options for low friction and power consumption. The future of Indian commercial aviation The growth in traffic that airport modernization has supported has also made a significant contribution to the local and national economies, while the improved infrastructure has been positive for the perception of India in the global market. Driving EVs toward lower cost The race ison to reduce battery and electric-drive systems cost while improving efficiency. Powering on Rolls-Royce's Chief Engineer discusses new technologies that inspire current R&D design and evaluation work as part of its strategic roadmap for future big commercial programs. HMIs extend beyond the cab Telematic functions are being integrated into multi-function user interfaces.
Technical Paper

Assessing Airport Noise Capacity Through Operational Practices; Case-Study CDA at Bucharest Henri Coanda Airport

2010-10-17
2010-36-0520
A review of the main operational practices related to CDO (Continuous Descent Operations) with relevance for noise and emissions reduction, shows the importance of working in a team when implementing new operational practices, as well as the need to access data either through FDR (flight data recorder) or from measurements. - The example selected explains the difficulties one can have to extract FDR data. ...Key to assessment is the supply of Flight Data Recorder output, the minor cost of provision of this could be offset against the potentially massive fuel benefits that would accrue to airlines if harmonized CDA can be promulgated.
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