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COMPUTER-IMPLEMENTED METHOD AND DEVICE FOR RESOLVING CLOSED LOOPS IN AUTOMATIC FAULT TREE ANALYSIS OF A MULTI-COMPONENT SYSTEM
COMPUTER-IMPLEMENTED METHOD AND DEVICE FOR RESOLVING CLOSED LOOPS IN AUTOMATIC FAULT TREE ANALYSIS OF A MULTI-COMPONENT SYSTEM
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机译:用于解决多分量系统的自动故障树分析中的闭环闭环的计算机实现的方法和设备
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摘要
A computer-implemented method and device for resolving closed loops in automatic fault tree analysis of a multi-component system is provided. Also provided is a method for resolving closed loops in automatic fault tree analysis of a multi-component system, the closed loops corresponding, for example, to closed-loop control circuitry of a multi-component device. The closed loops are first identified in a top-down approach within failure propagation paths. Next, the loops are resolved by setting each loop interconnection to Boolean TRUE, adjusting the fault tree in a specific way and finally setting each loop interconnection to Boolean FALSE. Embodiments of the invention are relevant for analyzing safety-critical systems. However, the present concepts are not limited to these applications and may be applied to general use cases where fault tree analysis is applicable. The proposed solution advantageously provides a method that features linear complexity.
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