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改进SFMEA的AUV风险评估方法

DOI: doi:10.3969/j.issn.1006-7043.2011.03.014

Keywords: 智能水下机器人, 风险评估, 软件失效模式影响分析, 灰色区间关联 ??

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Abstract:

针对传统软件失效模式影响分析(SFMEA)方法在解决智能水下机器人软件系统失效模式风险评估过程中的局限性,在采用模糊集理论对各种失效模式进行评价的基础上,提出了一种基于灰色区间关联的SFMEA方法,通过计算各失效模式对象同理想评估对象的区间关联度,对水下机器人智能决策系统软件失效模式风险进行了定量评估,并给出了风险排序.实验结果表明,该方法有效地解决了现有的SFMEA方法只能处理??O、S、D??为单值变量的问题,提高了SFMEA方法在水下机器人系统中应用的准确性.

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