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基于CLIPS的航天器预警专家系统的设计与实现 被引量:4

Development of Spacecraft Collision Warning Expert System Based on CLIPS
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摘要 针对在轨航天器预警问题,由于空间碎片和微流星撞击,导致航天器受损伤。为保证在轨航天器的安全,要求优化预警精度。为减少误报警,提高预警精度,提出建立专家系统用在航天器预警技术。采用区域预警判定机制建立了以航天器为中心的警戒区和规避区,通过不同区域的阈值作为专家系统的判定,并用前向推理规则和Rete模式匹配算法设计了航天器预警专家系统。研究在CLIPS环境中实现了所设计的专家系统,并进行仿真验证。仿真结果表明,所建立的预警专家系统能根据物体间相对位置信息做出准确的预警判定,从而为航天器智能预警系统设计提供了科学依据。 To reduce the false alarms and improving the accuracy of collision warning, the application of expert system in intelligent collision warning was developed. The alerting area and evading area were built according to the collision warning decision mechanism. And the threshold value was used by the collision warning expert system to make the decision to evasive maneuver or not. The expert system was designed using forward inference rules and Rete pattern-matching algorithm, then developed in the C Language Integrated Production System (CLIPS) compilation environment, and simulated. The results of the simulation show that the collision warning expert system makes accu-rate action output according the input of relative position information of two objects. It achieves the purpose of space-craft collision warning.
出处 《计算机仿真》 CSCD 北大核心 2012年第9期61-64,共4页 Computer Simulation
基金 中国民航飞行学院科研基金面上项目(J2011-02)
关键词 专家系统 航天器预警 人工智能 航天器 Expert system Collision warning Artificial intelligence Spacecraft
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