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Technical Paper

Automated Safety Critical Software Development for Distributed Control Systems: A COTS Approach

2001-03-05
2001-01-0675
This paper presents a commercial off-the-shelf (COTS) approach to the automated generation of safety critical software for a distributed control system. The tool suite presented supports Honeywell's next generation Modular Aerospace Controls (MAC) architecture that facilitates fault tolerant distributed engine control utilizing intelligent components connected with TTP/C. This paper describes the integration of tool chains from two commercial vendors, the BEACON™ tool chain from Applied Dynamics International (ADI) and the TTP support tool chain from Time Triggered Technology (TTTech). The integration of these tool chains yields a powerful end-to-end systems-to-software environment that enables a fully automated approach to the development of distributed embedded software and its verification data.
Technical Paper

Hover/Ground-Effect Testing and Characteristics for a Joint Strike Fighter Configuration

1996-11-18
962253
Hover and ground-effect tests were conducted with the Lockheed-Martin Large Scale Powered Model (LSPM) during June-November 1995 at the Outdoor Aerodynamics Research Facility (OARF) located at NASA Ames Research Center. This was done in support of the Joint Strike Fighter (JSF) Program being lead by the Department of Defense. The program was previously referred to as the Joint Advanced Strike Technology (JAST) Program. The tests at the OARF included: engine thrust calibrations out of ground effect, measurements of individual nozzle jet pressure decay characteristics, and jet-induced hover force and moment measurements in and out of ground effect. The engine calibrations provide data correlating propulsion system throttle and nozzle settings with thrust forces and moments for the bare fuselage with the wings, canards, and tails removed. This permits measurement of propulsive forces and moments while minimizing any of the effects due to the presence of the large horizontal surfaces.
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