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Distributed simulation for acquisition and analysis of future airport operational concepts

Distributed simulation for acquisition and analysis of futur...

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aiaa modeling and simulation technologies conference and exhibit 2003

作者： Adelantado, Martin Latour, Jérôme Vincent, Alexandre Bonnet, Pascale ONERA-CT/DPRS/SAE French Aeronautics and Space Research Center Long Term Design and Systems Integration 2 Avenue Edouard Belin 31055 Toulouse Cedex France ONERA-CSP/DCSD/PSEV French Aeronautics and Space Research Center Systems Control and Flight Dynamics Ecole de l'Air Base Aérienne 701 F-13661 Salon de Provence France

ISBN: (纸本)9781624100918

Air transport system undergoes continuous evolution in order to adapt to future performance, quality and safety requirements. This implies the operational use of new techniques in navigation, communications, surveillance, regulations and computer based assistance/automation systems. In the context of the future ATM system, airports will play a critical role since they have to face with serious environmental (noise impact) and operational restrictions which reduce their potential capacity. To meet the projected airport demand and improve efficiency of ground operations while maintaining safety, several new operational concepts are currently under investigation, including new regulations or operational concepts, and advanced equipment or computer-based assistance systems. The French Aeronautics and Space Research Center (ONERA) is participating in this effort through the desing of a modeling and simulation infrastructure for acquisition and analysis of airport operational concepts and equipment. The originality of this work is to provide an open and scalable simulation support aiming at easily plug additional components in order to analyse and compare the efficiency of several airport configurations. © 2003 by the American Institute of Aeronautics and Astronautics, Inc. All rights reserved.

关键词： Airports

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Non-linear optimal tilt coordination for washout algorithms

Non-linear optimal tilt coordination for washout algorithms

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aiaa modeling and simulation technologies conference and exhibit 2003

作者： Romano, Richard Realtime Technologies Inc Clawson MI United States

ISBN: (纸本)9781624100918

Tilt coordination is used in flight simulator washout algorithms to represent steady state specific forces by rotating the motion base to align gravity with the total specific force vector of the simulated aircraft. A new tilt coordination control method was developed for use with motion washout algorithms. Starting with the classical washout algorithm, the typical linear high-pass filters were removed from the algorithm and a linear model of the tilt coordination circuit was developed. A linear quadratic Gaussian regulator (LQGR) was developed that controls the tilt channel to minimize both commanded tilt rate and total motion base position. Non-linear feedback was used to reduce the commanded linear acceleration of the motion base to a level controllable by the tilt channel control system. The result is an adapting complimentary filter pair that for small or low frequency specific force inputs provides unity gain and zero phase error. For large inputs the non-linear feedback to the commanded linear acceleration of the motion base introduces sagging cues similar to the classical algorithm. The new algorithm was shown to perform well when compared with the classical algorithm for a set of deceleration maneuvers while taxiing. The new algorithm requires significantly fewer filter and control parameters to be selected compared to the classical algorithm. © 2003 by Richard Romano.

关键词： High pass filters

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Simulator control via wireless data glove

Simulator control via wireless data glove

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aiaa modeling and simulation technologies conference and exhibit 2003

作者： Wood, Brian Ding, Yuanyuan Valasek, John Texas A and M University College Station TX 77843-3141 United States Flight Simulation Laboratory Aerospace Engineering Department United States

ISBN: (纸本)9781624100918

Aerial vehicles have always required numerous hours of pilot training to obtain a sufficient level of competence. Most people can understand the pitching, rolling, and yawing motions of an airplane by simply watching them fly. However, translating these motions into control stick, throttle, and rudder pedal movements is much less intuitive. This paper overviews the development of a new glove-based input device, utilizing a novel vision-based position sensing system called VisNav. The glove interface is designed to enable the average person to command and fly an aircraft with minimal training and experience. This approach is an intuitive alternative to the typical joystick piloting of unmanned aerial vehicles. The VisNav system senses gestures from the operators hand via optical beacons embedded in the glove, and translates these motions into commanded vehicle states. An optimal nonzero setpoint controller is developed to translate the glove commands into commanded aircraft motion. The glove is then interfaced with a real time engineering flight simulator, and tested at various flight regimes. Results show that the glove-based interface provided an accurate and intuitive alternative to traditional stick and rudder piloting. © 2003 by Brian Wood, Yuanyuan Ding and John Valasek.

关键词： Rudders

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Trick®: A simulation development toolkit

Trick®: A simulation development toolkit

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aiaa modeling and simulation technologies conference and exhibit 2003

作者： Paddock, Eddie J. Lin, Alexander Vetter, Keith Crues, Edwin Z. Titan Corporation Astronautics Engineering Unit 1020 Bay Area Boulevard Suite #200 Houston TX 77058 United States NASA Johnson Space Center Automation Robotics and Simulation Division Houston TX 77058 United States

ISBN: (纸本)9781624100918

The Trick®1simulation Development Toolkit has continually evolved since the 1980s through building dynamic, high-fidelity robotics and space vehicle simulations for NASA at the Johnson Space Center (JSC). Trick has become a JSC standard simulation environment that supports the development and operations of analysis and real-time human-in-the-loop training simulations. The Trick simulation development environment and its associated robotics and space vehicle applications are in use at many JSC facilities. These simulation applications range from personal computer desktop trainers to full scale robotics hardware-in-the-loop facilities and virtual reality systems. Trick provides a data-driven real-time scheduling executive, input processing, data recording, and automatic code generation (ACG). Trick uses parsing and ACG utility processors to generate input/output mechanisms as well as math model function calls. Trick supports C and C++ programming languages for math modeling, and it also has limited support for FORTAN and Ada. The Trick utility suite also provides graphical user, developer and run-time interfaces as well as data products including strip charting. Trick is written in ANSI C, C++, Perl, flex/bison, Tcl/Tk, and UNIX shell scripts. It is very portable and scalable to almost any UNIX platform.

关键词： C++ (programming language)

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Improving the rate monotonic and the first deadline first schedulers for real time simulation and control of aerospace vehicles

Improving the rate monotonic and the first deadline first sc...

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aiaa modeling and simulation technologies conference and exhibit 2003

作者： da Cunha Trivelato, Gilberto de Oliveira e Souza, Marcelo Lopes EMBRAER - Empresa Brasileira de Aeronáutica S. A P.O. Box 8050 12227-901 - S. José dos Campos - SP Brazil INPE - National Institute for Space Research DMC - Division of Space Mechanics and Control Av. dos Astronautas 1758 12227-010 - S. José dos Campos - SP Brazil

ISBN: (纸本)9781624100918

In this work we discuss and improve the rate monotonic scheduler and the first deadline first scheduler for real time simulation and control. These algorithms are largely know and discussed in the real time literature but in such literature: 1) some aspects of their original propositions are/remain incomplete or hidden;2) there are even some counter-examples and critiques to them made in recent works. Correspondingly, in this work: 1) we discuss and clarify some aspects of their original propositions and we improve such propositions by explicitly writing down some of their incomplete or even hidden passages and transformations;2) we also discuss and clarify some mistakes done in those counter-examples and critiques, by replacing them with new examples that confirm the algorithms and illustrate the points discussed, clarified, and improved. We also suggest some possible extensions of those algorithms and their uses in real time simulation and control of aerospace vehicles, especially aircrafts and satellites. © 2003 by Gilberto C. Trivelato & Marcelo L. O. Souza.

关键词： Real time control

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Development and application of large number of air vehicles simulation (LNAVSIM) Software

Development and application of large number of air vehicles ...

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aiaa modeling and simulation technologies conference and exhibit 2003

作者： Allen, Edwin C. Nalepka, Joseph P. Duquette, Matthew M. Leen, Michael J. Air Force Research Laboratory Wright-Patterson AFB WPAFB OH 45433-7505 United States OR Concepts Applied Whittier CA 90602 United States

ISBN: (纸本)9781624100918

The U. S. Air Force is investigating ways to study the utilization of large numbers of air vehicles (LNAV), such as UAVs and UCAVs, to locate strategic targets, provide battlefield situational awareness, and deliver first-wave firepower. The Large Number of Air Vehicles simulation (LNAVSIM) is addressing the Air Force's requirements by providing the user an automated, PC-based, Internet compatible, and GUI interactive, mission planning, modeling, assessment, and simulation environment to conduct LNAV command and control studies. It consists of the integration of critical technologies for the application of LNAV target allocation, autorouting, in-flight replanning and swarm management techniques. Sev eral separate software components comprise the LNAVSIM suite. First, there is a (BOSS) component, which provides the Scenario Generator and simulation. LNAVSIM also includes the Joint Force Air Component Commander (JFACC), which supplies the Synergetic Effects Matrix (SEM). Auto-routing, target allocation, and swarming techniques and the OPUS 3 simulation make up the LNAVGEN server. The LNAVGEN client commands the LNAVGEN server to allocate targets to air vehicles via the Pod Operator Interface Component (POPI) or other Operator-Vehicle Interface (OVI). The AnySim component is a central pipeline used to communicate between components of LNAVSIM. The Joint Interim Mission Model (JIMM) is used as the mission-level simulation environment. The entire suite is compatible with Linux and Windows. Mission planning can be dynamically changed based on pop-up threats, changes in threat positions and/or status provided by JIMM, or changes in mission objectives set by the human operator. This paper will address LNAVSIM architectural design, functionality, concept of operations, features, simulation-Based R&D support, benefits, and commercialization strategy.

关键词： Vehicles

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Optimisation of the SIMONA research simulator's motion filter settings for handling qualities experiments

Optimisation of the SIMONA research simulator's motion filte...

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aiaa modeling and simulation technologies conference and exhibit 2003

作者： Gouverneur, Bas Bob Mulder, J.B. René van Paassen, M.M. Stroosma, Olaf Field, Edmund J. Control and Simulation Division Delft University of Technology Delft Netherlands Delft University of Technology Delft Netherlands The Boeing Company Phantom Works Huntington Beach CA United States Stability Control and Flying Qualities Group United States

ISBN: (纸本)9781624100918

The first handling qualities experiment to be performed in the SIMONA Research Simulator (SRS) is a replication of evaluations previously performed in the U.S. Air Force Total In-Flight Simulator (TIFS) and NASA Ames Vertical Motion Simulator (VMS). In order to match the results from the TIFS and VMS as closely as possible, great attention has been given to providing the pilots the salient effects of the cues available in the TIFS and VMS. This required the optimisation of the SRS's motion filters for the specific task and vehicle used in the previous evaluations. An approach to optimise the filters was developed that reduces qualitative piloted evaluation time through the use of off-line simulation providing a graphical representation of allowable motion filter settings in this task. A limited flying qualities experiment was performed to appraise this design approach and to select an optimised motion filter for the subsequent evaluations in the SRS. Initial results demonstrated the successful application of the filter design approach, and provided insight into its potential for future application. The approach shows promise for aiding future researchers with less expertise in the field of motion cueing. © 2003 by Delft University of Technology and The Boeing Company.

关键词： NASA

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Using simulation as an effective runway incursion prevention strategy

Using simulation as an effective runway incursion prevention...

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aiaa modeling and simulation technologies conference and exhibit 2003

作者： de Repentigny, Lesley Adacel Canada

ISBN: (纸本)9781624100918

All it takes to cause a disaster is a single runway incursion. For example.: Tene Rief. Safety officials have identified the risks associated with runway incursions as one of the most urgent issues facing today's aviation community;as pilots, airport vehicle operators, air traffic controllers and flight service specialists continue to find themselves involved in runway incursion incidents According to the recent FAA report Runway Incursions Rates with Total Operations, there were 431 Runway Incursion Incidents in 2000 and 383 in 2001 with just over 65 million Airport Operations. This represents an overall reduction in the runway incursion rate of.07% --a step in the right direction, but still a long way from targeted objectives. The continued reduction of Runway Incursion Incidents (RII) and increased airport safety is a priority at the FAA as well as other agencies. Key to achieving these goals are continued research and analysis, identification of problems, prototyping and validation of proposed solutions, and, of course, education and training. simulation is clearly an effective tool that can be used to reduce the number of runway incursion incidents. Already proven in diverse areas of airport operations and planning from conducting studies to analyze current airport operations to planning and validating new runway safety procedures, it can be used to generate the data needed to address RII. In addition, simulation also provides a cost effective way to train airport personnel. You can expose learners to multiple operational scenarios, and validate individual training based on a predefined set of standards and learning objectives. In addition, studies prove that interactive simulation yields a high level of performance and retention of learning objectives. Paper topics include: 1. How simulation can provide airport operators with accurate analysis and evaluation of incidents 2. How simulation can create a new procedure processes 3. The link between simulation and

关键词： Airports

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Advanced propulsion system simulation model for a modern fighter aircraft training aid

Advanced propulsion system simulation model for a modern fig...

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aiaa modeling and simulation technologies conference and exhibit 2003

作者： Bolívar, M. Jiménez, A. Pérez, C. Breuer, T. Riegler, C. Salchow, K. ITP Industria de Turbo Propulsores S.A Av. de Castilla 2 Parque Empresarial San Fernando 28830 San Fernando de Henares Madrid Spain MTU Aero Engines GmbH Dachauer Str. 665 80995 München Germany

ISBN: (纸本)9781624100918

In times of shrinking budgets for nations' air forces there is an increasing demand for affordable, yet highly realistic training devices to perform initial pilot training as well as to provide the capability to allow for routine training in both emergency situations and air combat tactics. In order to fulfill these requirements, simulator devices need to provide the required fidelity as well as affordable operating costs. This paper describes the development of a simulation model of the EJ200 engine which will be used in the simulator for the Eurofighter/Typhoon fighter aircraft. Following a short overview of the different concepts which are in use for this purpose, the approach adopted for the EJ200 engine simulation software is outlined. The simulator model consists of modules representing physical entities of the real engine, such as the control unit, the actuators and the engine itself. Each of these software modules aims to mimic the physical/functional properties of its parent module as closely as possible, always taking into account requirements specific to the simulation environment, such as real-time capability, quick turnaround times between training elements by supporting special simulator-specific functions and simulation of malfunctions. The result is a software model which offers a highly realistic simulation of engine behaviour during both normal and emergency conditions with the advantage of allowing easy upgrades in the future due to its modular approach. © 2003 by the American Institute of Aeronautics and Astronautics, Inc. All rights reserved.

关键词： Engines

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A multispectral terrain database development process to support legacy mission simulation environments

A multispectral terrain database development process to supp...

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aiaa modeling and simulation technologies conference and exhibit 2003

作者： Zeh, Jim Caudill, Dan Givens, Bret Subr, Rob Miller, Brian Lester, Eric Spuhl, Karl AFRL/VAC Wright-Patterson AFB 2180 8 Street Suite 1 OH 45433 United States Veridian Engineering 5200 Springfield Pike Dayton OH 45431 United States USA Night Vision Electronic Sensors Directorate 10221 Burbeck Rd. B309 Ft. Belvoir VA 22060 United States CG Incorporated 6000 Technology Drive Building 1 Suite A Huntsville AL. 35805 United States The Boeing Company PO Box 516 MC 064-1481 St. Louis MO 63166 United States

ISBN: (纸本)9781624100918

The Air Force Research Laboratory, Air Vehicles Directorate, Control Sciences Division, AFRL/VAC, has developed a process for constructing large-area 3-D multispectral terrain databases to support simulation Based R&D (SBR&D) concept development simulation, research and T&E activities. The Multispectral database (MsDB) development effort was intended to investigate a database development approach built from multispectral/hyperspectral imagery and elevation data that also incorporates material classification data capable of supporting realistic out-the-window visual and multispectral terrain displays and weapons/sensor models. Integrating the MsDB into these legacy models enabled us to develop cockpit representations that immerse the warfighter, scientist, analyst, and testers into a dynamic environment suitable for engineering level test and evaluation of a multitude of systems. This paper covers integration of the MsDB with Paint the Night IR Scene Generation;integration with Mutli-Mode Radar simulation (MMRS), which provides Synthetic Aperture Radar simulation;and integration with SubrScene, which provides Out-The-Window Scene generation.

关键词： Database systems

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