| 引用本文: | 刘洪刚,吴建军,陈启智.液体火箭发动机故障诊断的命题逻辑方法.[J].国防科技大学学报,2002,24(1):1-4.[点击复制] |
| LIU Honggang,WU Jianjun,CHEN Qizhi.Propositional Logic-based Method of Liquid Rocket Engine Fault Diagnosis[J].Journal of National University of Defense Technology,2002,24(1):1-4[点击复制] |
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| 液体火箭发动机故障诊断的命题逻辑方法 |
| 刘洪刚, 吴建军, 陈启智 |
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(国防科技大学 航天与材料工程学院，湖南 长沙 410073)
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| 摘要: |
| 为对液体火箭发动机诊断知识的表达和组织提供一种简洁有效和易于处理的方式，通过以命题逻辑公式和子句的形式对系统观测信息和定性特征加以描述建立定性诊断模型，同时诊断问题基于归结原理和假言推理规则的演绎推理方法求解。基于试车数据的诊断结果表明方法具有较强的诊断能力。 |
| 关键词: 命题逻辑 故障诊断 液体火箭发动机 |
| DOI： |
| 投稿日期：2001-09-28 |
| 基金项目:国家自然科学基金资助项目(59806014) |
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| Propositional Logic-based Method of Liquid Rocket Engine Fault Diagnosis |
| LIU Honggang, WU Jianjun, CHEN Qizhi |
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(College of Aerospace and Materials Engineering, National Univ. of Defense Technology, Changsha 410073,China)
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| Abstract: |
| To provide an efficient way easy to express and organize the fault knowledge of liquid rocket engine, a qualitative model is first founded by the qualitative description of the observation and characteristic of the system in the form of propositional logic formulae and clauses, then fault diagnosis is continued based on the inference rules of resolution step and modus ponens, and diagnosis results with test data manifest that the provided method has better ability. |
| Keywords: propositional logic fault diagnosis liquid rocket engine |
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