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Preliminary Results Obtained in Integrated Safety Analysis of NASA Aviation Safety Program Technologies.
| 题名： | Preliminary Results Obtained in Integrated Safety Analysis of NASA Aviation Safety Program Technologies. |
| 作者： | Reveley, Mary S. |
| 关键词： | *Safety-; *Aircraft-safety; *Flight-safety.;Reliability-analysis; Accident-prevention; Enhanced-vision; Flight-control; Computerized-simulation; Risk-; NASA-programs. |
| 摘要： | The goal of the NASA Aviation Safety Program (AvSP) is to develop and demonstrate technologies that contribute to a reduction in the aviation fatal accident rate by a factor of 5 by the year 2007 and by a factor of 10 by the year 2022. Integrated safety analysis of day-to-day operations and risks within those operations will provide an understanding of the Aviation Safety Program portfolio. Safety benefits analyses are currently being conducted. Preliminary results for the Synthetic Vision Systems (SVS) and Weather Accident Prevention (WxAP) projects of the AvSP have been completed by the Logistics Management Institute under a contract with the NASA Glenn Research Center. These analyses include both a reliability analysis and a computer simulation model. The integrated safety analysis method comprises two principal components: a reliability model and a simulation model. In the reliability model, the results indicate how different technologies and systems will perform in normal, degraded, and failed modes of operation. In the simulation, an operational scenario is modeled. The primary purpose of the SVS project is to improve safety by providing visual-flightlike situation awareness during instrument conditions. The current analyses are an estimate of the benefits of SVS in avoiding controlled flight into terrain. The scenario modeled has an aircraft flying directly toward a terrain feature. When the flight crew determines that the aircraft is headed toward an obstruction, the aircraft executes a level turn at speed. The simulation is ended when the aircraft completes the turn. |
| 报告类型： | 科技报告 |
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