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# Proceedings of 14th Digital Avionics Systems Conference

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Displaying Results 1 - 25 of 83
• ### Author index

Publication Year: 1995
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• ### Opportunities for rapid integration of human factors in developing a free flight capability

Publication Year: 1995, Page(s):468 - 473
Cited by:  Papers (1)
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Free flight concepts call for integrating advanced avionics and ground automation into new operational procedures. The concepts unavoidably raise human factors issues. Significant opportunities exist for leveraging applicable human performance data and principles from past research on avionics, automation, and system design to inform decisions and trade-offs at the front end of free flight develop... View full abstract»

• ### 777 Flight Controls validation process

Publication Year: 1995, Page(s):394 - 402
Cited by:  Papers (3)
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In 1990, Boeing launched the twin-engine Model 777 airplane program to satisfy the needs of airlines in terms of payload and range and to fill a market segment between the Model 747 and 767 airplanes. The 777 airplane is the first Boeing commercial transport airplane to use a full fly-by-wire Flight Control System. The Primary Flight Control System (PFCS) provides manual airplane control and envel... View full abstract»

• ### Systems integration of the 777 Airplane Information Management System (AIMS): a Honeywell perspective

Publication Year: 1995, Page(s):389 - 393
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The systems integration of the 777 Airplane Information Management System (AIMS), both within the AIMS system and with the other systems on the airplane, represented the most complex system integration effort ever undertaken at Honeywell Air Transport Systems Division. The technological innovations in the AIMS design, coupled with an aggressive program schedule, were major factors in the AIMS chal... View full abstract»

• ### A COMPONENT-ORIENTED ENVIRONMENT FOR SYSTEMS DEVELOPMENT

Publication Year: 1995
Cited by:  Patents (1)
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First Page of the Article
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• ### Advanced technologies for a command and data handling subsystem in a “better, faster, cheaper” environment

Publication Year: 1995, Page(s):377 - 382
Cited by:  Papers (1)
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NASA's Small Spacecraft Technology Initiative (SSTI) is developing two lightweight, “pathfinder” spacecraft, Lewis and Clark, to demonstrate a better faster, cheaper approach to spacecraft development and to gain valuable space science and technology data. In the command and data handling subsystem, SSTI Clark will demonstrate the implementation of seven advanced technologies in a &ldq... View full abstract»

• ### Meeting high bandwidth science and experiment telemetry requirements over a low bandwidth communication link: variable telemetry protocol

Publication Year: 1995, Page(s):371 - 376
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NASA's Small Spacecraft Technology Initiative (SSTI) is developing two “pathfinder” spacecraft, Lewis and Clark, to demonstrate a better, faster, cheaper approach to gain valuable space science and technology. SSTI is a two year to flight program. The science instruments and several of the advanced technology demonstrations each require periods of high bandwidth telemetry. These requir... View full abstract»

• ### THE NASA B-757 HIRF TEST SERIES - LOW POWER ON-THE-GROUND TESTS

Publication Year: 1995
Cited by:  Papers (2)
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First Page of the Article
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• ### The Boeing 777 Fault Tolerant Air Data and Inertial Reference System-a new venture in working together

Publication Year: 1995, Page(s):178 - 183
Cited by:  Papers (3)  |  Patents (1)
| | PDF (504 KB)

The Boeing Commercial Airplane Group has certified an all-new, integrated Fault Tolerant Air Data and Inertial Reference System (FT-ADIRS) on its 777 airliner. The FT-ADIRS consists of the Fault Tolerant Air Data and Inertial Reference Unit (FT-ADIRU), the Secondary Attitude and Air Data Reference Unit (SAARU), and six Air Data Modules (ADMs). New processes for the design, verification, and valida... View full abstract»

• ### Use of formal description techniques in development and implementation of AVPAC protocol

Publication Year: 1995, Page(s):32 - 38
Cited by:  Papers (1)
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This paper describes the use of the ITU-T specification and description language (SDL) formal description technique to specify the AVPAC avionics protocol, and use of the code-generating abilities of SDL tools to generate source code for an FDAC experiment to provide air-ground radio communications for low-visibility taxi tests at the FAA Technical Center View full abstract»

• ### GPS ground antenna and monitor station upgrades: software requirements analysis

Publication Year: 1995, Page(s):213 - 225
Cited by:  Papers (1)
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This paper discusses the software aspects of the Global Positioning System (GPS) remote site modernization study, specifically, the software requirements analysis. At the beginning of the software requirements analysis phase, a qualitative trade-off study was performed to determine if a structured analysis or an object-oriented analysis (OOA) approach would be followed. The latter was chosen becau... View full abstract»

• ### TACTICS: A CORBA-BASED DISTRIBUTED PROCESSING INFRASTRUCTURE

Publication Year: 1995
Cited by:  Patents (2)
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First Page of the Article
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• ### Methodologies for enhancing operability of failure tolerant systems [in International Space Station]

Publication Year: 1995, Page(s):365 - 370
Cited by:  Patents (2)
| | PDF (608 KB)

This paper describes a methodology referred to as “channelization” used to ensure a system design meets failure tolerance requirements with a given set of components. In general, channelization is the assignment of one or more failure tolerant system functions to the proper utility resources. This paper provides an expanded view of the methodology by focusing on channelization of funct... View full abstract»

• ### UPSET DETECTION FOR CLOSED-LOOP LABORATORY HIRF TESTING OF FAULT TOLERANT AIRCRAFT CONTROL COMPUTERS

Publication Year: 1995
Cited by:  Papers (5)
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First Page of the Article
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• ### Reliability issues for design and test of complex integrated circuits [in avionic systems]

Publication Year: 1995, Page(s):173 - 177
| | PDF (388 KB)

One of the functions of the FAA Technical Center's Digital Systems Validation program is to educate FAA certification engineers in new technologies. This paper introduces the topic, Complex Integrated Circuits, along with some of the certification risks associated with this technology. This work is a partial summary of a technical report prepared for the FAA Technical Center's Airport and Aircraft... View full abstract»

• ### Free Flight: reinventing ATC-digital avionics a non-solution

Publication Year: 1995, Page(s):100 - 105
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The aviation industry has taken the first important step towards Free Flight-FAA acceptance. Free Flight is an alternative to the existing outdated approach to Air Traffic Management. It is a system wherein each aircraft is allowed to operate using the flight path, in all four dimensions, that is determined to be best suited by each individual operator or pilot for their aircraft. Free Flight woul... View full abstract»

• ### A surveillance receiver for evaluating mode A/C/S activity

Publication Year: 1995, Page(s):13 - 18
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When the mode-S transponder was developed, the system was provided with a number of communications capabilities. It was envisioned that a number of enhancements of the modern cockpit would use the mode-S data link. At the time of the development of the mode-S transponder, it was also envisioned that the mode-S transponder would receive a high level of penetration into the secondary radar transpond... View full abstract»

• ### PRELIMINARY REQUIREMENTS FOR AVIONICS INTENT INFORMATION FOR FREE FLIGHT

Publication Year: 1995
Cited by:  Papers (1)
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• ### Developing integrated hardware-software reliability models: difficulties and issues [for digital avionics]

Publication Year: 1995, Page(s):193 - 198
Cited by:  Papers (1)
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The development of integrated hardware-software system reliability models is very difficult. This paper discusses some of the differences between hardware and software reliability modeling which make integrating them together so hard. It also discusses issues that are unique to each and common to both, and lists open problems that need to resolved View full abstract»

• ### Digital air/ground communications for air traffic control

Publication Year: 1995, Page(s):45 - 50
| | PDF (356 KB)

MITRE's Center for Advanced Aviation System Development (CAASD) has developed an operational concept and a prototype system for the future VHF communications system. The system will be digital, using efficient coding and modulation techniques to offer multiple access capabilities for both voice and data message transfer. Many of the system parameters identified in the MITRE design are based on fea... View full abstract»

• ### Party line' information use studies and implications for ATC datalink communications

Publication Year: 1995, Page(s):26 - 31
Cited by:  Papers (3)
| | PDF (488 KB)

As part of the Federal Aviation Administration's National Airspace System modernization plan, digital datalink communications will be introduced as a means of air/ground information exchange. Care must be taken, however, to continue to provide pilots with the Party Line' Information (PLI) that pilots currently overhear on the shared voice frequencies. Several studies have examined the importance ... View full abstract»

• ### The general aviation technology revolution

Publication Year: 1995, Page(s):207 - 212
| | PDF (380 KB)

There are four new enabling technologies that when combined allow for a dramatic change in flight procedure for the General Aviation pilot. These four technologies are Precise Positioning, Graphic Display, Data Acquisition, and Data Link. The author discusses each of these technologies, their impact upon General Aviation, and how the integration of these technologies will take General Aviation int... View full abstract»

• ### Development of required navigation performance (RNP) requirements for airport surface movement guidance and control

Publication Year: 1995, Page(s):57 - 64
Cited by:  Papers (7)
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This paper presents the application of a relatively new concept, Required Navigation Performance (RNP), as a method to determine requirements for aircraft surface movement guidance and control. Currently, navigation standards do not exist for low visibility aircraft operations on runway and taxiway surfaces. Whereas there are enabling technologies under evaluation for aircraft guidance and Air Tra... View full abstract»

• ### SEM PACKAGING OF ADVANCED MODULAR AVIONICS

Publication Year: 1995
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• ### Channelization: the two-fault tolerant attitude control function for the Space Station Freedom

Publication Year: 1995, Page(s):359 - 364
| | PDF (640 KB)

The Space Station Freedom was comprised of “utility” systems, such as power generation and distribution, thermal management, and data processing, and “user” systems such as communication and tracking; propulsion, payload support, and guidance, navigation, and control. These systems are required to work together to provide various station functions. To protect the lives onbo... View full abstract»