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BUILDING BRIDGES: LINKING CAIS TO ETHERNET AND OTHER PROTOCOLSCorry, Diarmuid 10 1900 (has links)
International Telemetering Conference Proceedings / October 20-23, 2003 / Riviera Hotel and Convention Center, Las Vegas, Nevada / The technologies used for flight test are evolving. Trusted standards like CAIS and
IRIG106 PCM are giving way to new “trusted standards” (and proven
technologies/protocols) found in telecommunication and networking such as Ethernet,
fiber channel, TCP/IP, UDP, ATM and so on.
Currently there is $100Ms+ invested in CAIS and IRIG compliant equipment in the
world. A key challenge in this evolution is to provide a reliable solution that allows the
FTI engineer to immediately take advantage of these advanced technologies while
protecting prior investment in equipment, knowledge, and resources during this
transition. This paper presents an analysis of how to protect existing assets while still
leveraging the power of the latest technologies. It looks at the characteristics of a
“bridge” system, and suggests solutions for merging and linking data from and to
different transmission protocols using data synchronization and deterministic data
management cycles.
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Flight Test Instrumentation Manager SoftwareHerbepin, Christian 10 1900 (has links)
ITC/USA 2008 Conference Proceedings / The Forty-Fourth Annual International Telemetering Conference and Technical Exhibition / October 27-30, 2008 / Town and Country Resort & Convention Center, San Diego, California / This paper presents the Flight Test Instrumentation Manager Software application internally developed and used inside the Eurocopter Flight Test department. This fully integrated and user friendly tool covers the all management requirement for entire life cycle of the flight test instrumentation equipment and configuration, tracking all the main events: order, calibration, configuration, service and repair, final disposal. FTIManager serves as a central hub between the instrumentation team and the post processing and analysis teams.
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Wireless Transducer Systems Architectures – A User’s PerspectiveBlakely, Patrick A. 10 1900 (has links)
International Telemetering Conference Proceedings / October 20-23, 2003 / Riviera Hotel and Convention Center, Las Vegas, Nevada / This paper provides essential requirements and describes some possible architectures of so-called Wireless Transducers Systems from the user’s perspective and discusses the application advantages of each architecture, in the airplane-testing environment. The intent of this paper is to stimulate discussion in the transducer user and supplier communities and standards committees, leading to increased product suitability and lower cost for commercial off the shelf wireless transducer products.
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APPLICATIONS FOR A PORTABLE PC/104 BASED INSTRUMENTATION CONTROLLERSchumacher, Gary A. 10 1900 (has links)
International Telemetering Conference Proceedings / October 28-31, 1996 / Town and Country Hotel and Convention Center, San Diego, California / PC based instrumentation and telemetry processing systems are attractive because of their
ease of use, familiarity, and affordability. The evolution of PC computing power has
resulted in a telemetry processing system easily up to most tasks, even for control of and
processing of data from a very complex system such as the Common Airborne
Instrumentation System (CAIS) used on the new Lockheed-Martin F-22. A complete
system including decommutators, bit synchronizers, IRIG time code readers, simulators,
DACs, live video, and tape units for logging can be installed in a rackmount, desktop, or
even portable enclosure.
The PC/104 standard represents another step forward in the PC industry evolution towards
the goals of lower power consumption, smaller size, and greater capacity. The advent of
this standard and the availability of processors and peripherals in this form factor has made
possible the development of a new generation of portable low cost test equipment.
This paper will outline the advantages and applications offered by a full-function, standalone,
rugged, and portable instrumentation controller. Applications of this small (5.25"H x
8.0"W x 9.5"L) unit could include: flight line instrumentation check-out, onboard aircraft
data monitoring, automotive testing, small craft testing, helicopter testing, and just about
any other application where small-size, affordability, and capability are required.
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NON-TRADITIONAL FLIGHT TEST SENSING SYSTEMSKilpatrick, Stephen A., Whittington, Austin J. 10 1900 (has links)
Traditional flight test sensing applications require installation of not only the sensor but also supporting cabling and interfacing infrastructure. The cost of this supporting infrastructure increases when it must cross pressure vessel boundaries, extend long distances, or interfere with operation of the aircraft. The continuing cost and schedule pressures on flight test programs demand approaches that minimize installation complexity and reduce the need to modify the aircraft under test. Some emerging approaches have leveraged wireless techniques for data transmission but this can only be used in certain circumstances and does not address the problem of power distribution. This paper describes ongoing research into alternative sensing approaches that utilize a mix of video processing, distributed processing, and power harvesting to provide additional solutions.
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RAPIDLY RECONFIGURABLE SYSTEM MANAGEMENTNoonan, Patrick J., Whittington, Austin J., Ibaroudene, Hakima, Moodie, Myron L. 10 1900 (has links)
The growth of network and distributed technologies in flight test instrumentation (FTI) has provided the benefits of flexibility, scalability, and compatibility with prevalent computing capabilities. However, to achieve these capabilities, the complexity of each piece of FTI and the overall system has increased dramatically. Even with systems composed of equipment from a single vendor, it is important to have management systems that provide the flexibility to adapt quickly to various system configurations and present unified information to the flight test users. The growth of network technologies and then standardized approaches such as iNET standards becoming accepted IRIG 106 standards is leading to the growth of multi-vendor systems. These multi-vendor systems further increase the need for rapidly reconfigurable management systems. This paper describes a constraints engine we have developed to enable flexible system management systems and reflects on how these techniques have been used successfully in the iNET System Manager.
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SIMPLIFYING FLIGHT TEST CONFIGURATION WITH CONSTRAINTSNoonan, Patrick J., Ibaroudene, Hakima, Whittington, Austin J., Moodie, Myron L. 11 1900 (has links)
Configuring flight test systems can be a complex process due to the large number of choices that
must be made. Making these choices requires system knowledge to build a working
configuration in an efficient and timely manner. Historically, flight test systems have embedded
this system knowledge in code. The limitation with these approaches is that any change or
addition to the system knowledge is costly due to the significant work required to update and
maintain the software. We see the philosophy of constraints as a promising path toward
addressing these issues. In the context of flight test configuration, a set of constraints defines the
limits of how a system may be configured to perform specific tasks. This paper describes an
approach for simplifying configuration by moving the system knowledge out of hardcoded
business rules and into a flexible architecture that leverages constraints for validation of system
configurations.
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IMPROVING INTEROPERABILITY OF GPS AND LBAND TELEMETRY WITH SHAPED-PATTERN ANTENNASRichen, Andrew, Clark, David, McNamee, Stuart, Ellington, Robert, Johnson, Gary, Williams, Guy, Selbrede, Robert 10 1900 (has links)
International Telemetering Conference Proceedings / October 20-23, 2003 / Riviera Hotel and Convention Center, Las Vegas, Nevada / In a study sponsored by the Air Force Flight Test Center at Edwards AFB, California,
Toyon Research Corporation, Goleta, California, demonstrated that shaped pattern
antennas could be used to mitigate interference caused by telemetry signals on GPS
systems. Using a technique for fixed reception pattern antenna (FRPA) design, Toyon built
and tested a GPS antenna that minimizes reception of telemetry signals from a known
location.
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FLIGHT TEST INSTRUMENTATION OF THE PUSH-PULL EFFECT ON A CF-18 AIRCRAFTCaballero, Rubén 10 1900 (has links)
International Telemetering Conference Proceedings / October 25-28, 1999 / Riviera Hotel and Convention Center, Las Vegas, Nevada / During high performance fighter aircraft manoeuvres, a fighter pilot may be exposed to a physiological phenomenon known as the “Push-Pull Effect” (reference (ref) [1]). This effect will alter the pilot’s homeostasis whereas blood flow to the brain will be increased during low negative normal acceleration (-Gz) and suddenly decreased during positive normal acceleration (+Gz). It has been hypothesized that this effect can lessen the Gtolerance of the human body thereby making the subject more susceptible to G induced Loss of Consciousness (G-LOC) (refs [2], [3] and [4]). G-LOC is not a desirable state for a pilot in a high performance aircraft such as a CF-18. To better understand and study the Push-Pull Effect on a fighter pilot, the Aerospace Engineering Test Establishment (AETE) and the Defence and Civil Institute of Environmental Medicine (DCIEM) produced an In-Flight Research (IFR) Program sponsored by the Canadian Forces (CF). The aim of this program was to measure the physiological response of relaxed test subjects, unprotected by a G-suit, when exposed to the Push-Pull manoeuvre in flight. This IFR would validate the centrifuge data and confirm that the Push-Pull Effect can occur in flight. This paper will present the instrumentation, design, telemetry system and installation methodology utilized to perform experimental physiological research on a high performance, ejection seat equipped fighter aircraft (CF-18). Also, preliminary results on the Push-Pull Effect, obtained through this IFR Program will be presented.
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FLIGHT TEST INSTRUMENTATION FOR THE ADVANCED HAWKEYE LOADS RISK REDUCTION PROJECTBedgar, Kenda J., Cullison, Anthony J. 10 1900 (has links)
ITC/USA 2005 Conference Proceedings / The Forty-First Annual International Telemetering Conference and Technical Exhibition / October 24-27, 2005 / Riviera Hotel & Convention Center, Las Vegas, Nevada / This paper is about the installation of the instrumentation system and the strain gages on an E-2C Hawkeye for the Advanced Hawkeye Loads Risk Reduction project. Background information on why this project came about will be given. Explanations on why the existing instrumentation system was modified to the current system will be presented. Anthony Cullison (co-author of this paper) will explain the installation of the strain gages.
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