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| Prospection on Storage Life of Missile-borne Control System under High Overload |
| Received:January 16, 2015 Revised:June 15, 2015 |
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| DOI：10.7643/issn.1672-9242.2015.03.022 |
| KeyWord:missile-borne control system high overload life assessment |
| Author | Institution |
| MU Xi-hui |
Ordnance Technological Research Institute， Shijiazhuang ， China |
| NIU Yue-ting |
Ordnance Technological Research Institute， Shijiazhuang ， China |
| MA Xiao-bing |
Beijing University of Aeronautics and Astronautics， Beijing ， China |
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| Abstract: |
| This paper studied the long-period storage, the high overload launch, the difficulty to determine the operational reliability, the lack of life assessment methods and other issues of the missile-borne control system. After long-term storage, whether the missile-borne control system can withstand up to 20 000G launch overload directly affects its guidance accuracy and operational efficiency. By studying the structure principle, material properties, process technology of the missile-borne control system and the complex relevance of the life and environmental stress, the stress analysis was carried out of the control system under the condition of high overload, as well as the test of dynamic performance, failure mechanism analysis, the unified form of degradation model and acceleration model, and the reliability analysis of system-level products based on multi-dimensional dynamic sequences. To determine the storage weaknesses, a systematic reliability assessment theory was established under the condition of high impact overload, which broke through technical bottlenecks of life assessment of missile-borne control system under the condition of high overload after long-term storage, broadened the scope of ammunition storage life assessment technology of artillery missile and laid the foundation for scientific life assessment and repairmen to prolonging life. |
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