推进技术 ›› 1999, Vol. 20 ›› Issue (6): 6-9.

• • 上一篇    下一篇

奇偶空间法用于液体火箭发动机故障诊断

刘冰,张育林   

  1. 国防科学技术大学航天技术系!长沙;410073;国防科学技术大学航天技术系!长沙;410073
  • 发布日期:2021-08-15

PARITY SPACE METHOD FOR FAULT DIAGNOSIS OF LIQUID ROCKET ENGINE

  1. Dept of Aerospace Technolgy,National Univ of Defence Techology,Changsha,410073;Dept of Aerospace Technolgy,National Univ of Defence Techology,Changsha,410073
  • Published:2021-08-15

摘要: 基于液体火箭发动机系统测量输出之间的内在一致性,直接利用液体火箭发动机试车的测量参数, 采用奇偶空间方法对仿真的液体火箭发动机16种故障进行分离, 结果证明该方法对实现液体火箭发动机故障诊断有较好的效果。

关键词: 液体推进剂火箭发动机;发动机故障;故障诊断;奇偶校验

Abstract: Based on the consistency of output parameters of liquid rocket engine system,the different faults were separated using the measuring parameters in engine test by parity space method.The results show that this method have good effect on liquid rocket engine fault diagnosis.

Key words: Liquid propellant rocket engine;Engine failure;Fault diagnosis;Parity check