摘要
提出了基于CLIPS的决策支持系统的构建方法,比较详细分析了系统的组成、功能和推理过程,重点讨论了关系矩阵、决策树、故障字典的推理方法。关系矩阵利用输入输出信息存在一一对应的特点,建立了故障模式与测试信息的映射关系,实现故障快速定位；决策树按叶结点、判定结点和决策结点三个层次,实现最低发射条件的判定；故障字典采用分步实施的模糊故障字典,既按系统、分系统、单机级设立故障字典,又按箭上、地面设备、人工信息设立故障字典,然后采用模糊推理方式,给出故障处置对策。该系统在首次载人航天飞行任务中得到了应用,有效解决了信源偏少问题,其实时性和正确性能较好地满足指挥员的要求。
A method of constructing CIJPS-based decision support system for Manned Space Launching was proposed, The composition, functions and inference process of the system were analyzed in detail. The inference method of relation matrices, decision trees and fault dictionaries were mainly discussed. The input infurmation corresponding to the output information one by one was used by the relation matrices to establish the mapping relation between the fault mode and test information to diagnose and locate the faults. The lowest launching conditions are determined by the decision trees according to three tiers of leaf, judgement and decision nodes. Fault dictionaries are realized by the fuzzy fault dictionaries step by step, in which the fault dictionaries are set up both on the level of system, subsystems and equipments and on the level of vehicles, ground equipments and artificial information, Afterwards, the policy to dealing with faults can be provided rapidly by the fuzzy inference method. The system was applied in the first manned space task. The restdts show that the methods solve the prohlem of information shortage and the inference conclusion can satisfy with the real-time and correctness requirement of the commanders.
出处
《宇航学报》
EI
CAS
CSCD
北大核心
2006年第1期117-120,共4页
Journal of Astronautics
基金
原国防科工委[1995]司作字第2552号
