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XU Li, LI Hua, ZHANG Ning, RUAN Min-zhi, SHAO Song-shi. Storage Life Estimation Method for Electronic Components of Torpedo and Missile Equipment Based on Censored Data[J]. Journal of Unmanned Undersea Systems, 2020, 28(3): 345-350. doi: 10.11993/j.issn.2096-3920.2020.03.016
Citation: XU Li, LI Hua, ZHANG Ning, RUAN Min-zhi, SHAO Song-shi. Storage Life Estimation Method for Electronic Components of Torpedo and Missile Equipment Based on Censored Data[J]. Journal of Unmanned Undersea Systems, 2020, 28(3): 345-350. doi: 10.11993/j.issn.2096-3920.2020.03.016

Storage Life Estimation Method for Electronic Components of Torpedo and Missile Equipment Based on Censored Data

doi: 10.11993/j.issn.2096-3920.2020.03.016
  • Received Date: 2019-09-06
  • Rev Recd Date: 2019-11-03
  • Publish Date: 2020-06-30
  • For the ‘long-term-storage and one-shot’ torpedo and missile equipment, the difficulty in estimating the storage life based on test and maintenance data is analyzed. Based on the equipment test data during the storage period, the research on the storage life estimation of the electronic components of torpedo and missile equipment in the censored data condition is carried out, in which a storage life assessment model of the electronic components is established using the maximum likelihood theory, and a storage life estimation method is given. Simulation experiment is designed to verify the assessment model. The results show that the storage life estimation method can estimate the storage life and reliability of the electronic components in a high precision range, and the sample size, the detection number and the detection time interval influence the estimation accuracy. This storage life estimation method can estimate the storage life of the equipment’s electronic components based on the detection data in daily maintenance, and provide support for the follow-up work in reliability.

     

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