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Generic Resolution Advisor and Conflict Evaluator (GRACE) for Detect-And-Avoid Systems
| 题名： | Generic Resolution Advisor and Conflict Evaluator (GRACE) for Detect-And-Avoid Systems |
| 作者： | Abramson, M.; Refai, M.; Santiago, C. |
| 关键词： | Unmanned aircraft systems##Flight tests##National airspace system##Systems integration##Threat evaluation##Computer programs##Simulation##Detection##Algorithms## |
| 摘要： | Java Architecture for Detect-And-Avoid (DAA) Extensibility and Modeling (JADEM) was developed at NASA Ames Research Center as a research and modeling tool for Unmanned Aircraft Systems (UAS) Integration in the National Airspace System (NAS). UAS will be required to have DAA systems in order to fulfill the regulatory requirement to remain well clear'' of other traffic. JADEM supports research on technological requirements and Minimum Operational Performance Standards (MOPS) for UAS DAA systems by providing a flexible and extensible software platform that includes models and algorithms for all major DAA functions. This paper describes one of these algorithms, the Generic Resolution Advisor and Conflict Evaluator (GRACE). GRACE supports two core DAA functions: threat evaluation and guidance. GRACE is generic in the sense that it is designed to work with any aircraft or sensor type (both cooperative and non-cooperative), and to be used in various applications and DAA guidance concepts, thus supporting evolving MOPS requirements and research. GRACE combines flexibility, robustness, and computational efficiency. It has modest memory requirements and can handle multiple cooperative and noncooperative intruders. GRACE has been used as a core JADEM component in several real-time and fast-time experiments, including human-in-the-loop simulations and live flight tests. |
| 总页数： | 35 |
| 报告类型： | 科技报告 |
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