Wiring safety evaluation system and wiring safety evaluation method
AssigneeMitsubishi Aircraft Corporation
InventorsKoji Toyama, Susumu Hirabayashi
Life of this patent
Estimating the term…
Abstract
A wiring safety evaluation system that makes it possible to easily determine whether a plurality of electrical wires secured in redundancy belong to the same harness to evaluate wiring safety is provided. The wiring safety evaluation system according to the present invention includes a processing section that identifies, after an event ID is specified, whether a gate type of a parent ID corresponding to the event ID is an OR gate or an AND gate, and when the gate type is the OR gate, repeats a process procedure of identifying whether a gate type of a parent ID that is a parent in next generation of the parent ID is an OR gate or an AND gate to determine whether the specified event causes a top event.
Claims20
A wiring safety evaluation system in a wiring structure in which a plurality of electrical wires belonging to a wire harness are each connected, through relay elements, to a pair of connectors located at respective ends of the wire harness, the safety evaluation system comprising:
- a memory section configured to hold fault tree information in which event IDs serving as identification information of respective events, gate types indicating respective kinds of gates corresponding to the respective event IDs, parent IDs serving as identification information of respective events corresponding to parents of the respective event IDs, and identification information indicating that one of the event IDs is a top event are associated with one another in the wiring structure;
- and
- a processing section that identifies, after an event ID relating to the electrical wire is selected from the event IDs, whether the gate type of the parent ID corresponding to the selected event ID is an OR gate or an AND gate, and when the gate type is the OR gate, repeats a process procedure of identifying whether the gate type corresponding to the event ID located at an upper level of the parent ID is an OR gate or an AND gate to determine whether the selected event causes the top event.
A wiring safety evaluation method of evaluating safety of a plurality of electrical wires in a wiring structure in which the electrical wires belonging to a wire harness are each connected, through relay elements, to a pair of connectors located at respective ends, by causing a processing section to refer to information stored in a memory section, the method comprising:
- allowing the memory section to hold fault tree information in which event IDs serving as identification information of respective events, gate types indicating respective kinds of gates corresponding to the respective event IDs, parent IDs serving as identification information of respective events corresponding to parents of the respective event IDs, and identification information indicating that one of the event IDs is a top event are associated with one another in the wiring structure;
- and
- allowing the processing section to identify, after an event ID relating to the electrical wire is selected from the event IDs, whether the gate type of the parent ID corresponding to the selected event ID is an OR gate or an AND gate, and when the gate type is the OR gate, to repeat a process procedure of identifying whether the gate type corresponding to the event ID located at an upper level of the parent ID is an OR gate or an AND gate to determine whether the selected event causes the top event.
Dependencies are inferred from the claim text.