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首页> 外文会议>Integrated Communications, Navigation and Surveillance Conference, 2009. ICNS '09 >Real-time 4-D trajectory planning for RNP flight operations
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Real-time 4-D trajectory planning for RNP flight operations

机译：RNP飞行操作的实时4-D轨迹规划

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摘要

Optimizing a flight path in-flight to take into account real-time unforeseen events, such as wind conditions, moving storm cells, or pop-up tactical threats, can enable aircraft to fly a safer and more fuel efficient route than the flight path created before takeoff. It is critical that the replanned trajectory still complies with various requirements for flight operations to ensure the safety of the aircraft. In this paper, we present a real-time 4-D flight planner, named ldquoAirborne E*,rdquo that can efficiently modify the active flight plan in-flight to take into account real-time unforeseen events and vehicle performance limits. To ensure the safety of the aircraft, the replanned 4-D flight path generated by Airborne E* complies with Required Navigation Performance (RNP) requirements. In addition, both lateral and vertical RNP containments centered on this new flight path are assured to be free of any terrain obstacles. After the new flight path is constructed, it will be presented to pilots (and air traffic controllers if required) for approval. Upon approval, Airborne E* will automatically load the modified flight plan into FMS as the active flight plan. We will discuss the application of this innovative real-time flight planner to low altitude flights for both civil and military aviation. Simulation and flight test results are also discussed in the paper.
机译：优化飞行中的飞行路线，以考虑到实时的不可预见的事件，例如风况，移动的风暴单元或弹出式战术威胁，可使飞机飞行比创建的飞行路线更安全，更省油的航线起飞前。至关重要的是，重新规划的航迹仍必须符合飞行操作的各种要求，以确保飞机的安全。在本文中，我们提出了一个实时的4-D飞行计划器，名为ldquoAirborne E *，它可以有效地修改飞行中的活动飞行计划，以考虑到实时的不可预测事件和车辆性能限制。为了确保飞机的安全性，机载E *生成的重新规划的4-D飞行路线符合必需的导航性能（RNP）要求。此外，确保以这个新的飞行路径为中心的横向和垂直RNP密闭区都没有任何地形障碍。新的航路建成后，将提交给飞行员（和空中交通管制员，如果需要）以供批准。批准后，机载E *会将修改后的飞行计划自动加载到FMS中作为有效的飞行计划。我们将讨论这种创新的实时飞行计划器在民用和军用飞机低空飞行中的应用。本文还讨论了模拟和飞行测试结果。

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