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公开(公告)号:US20120259587A1
公开(公告)日:2012-10-11
申请号:US13441613
申请日:2012-04-06
IPC分类号: G06F15/00
CPC分类号: G07C5/0808
摘要: A method for determining diagnoses for a system having a plurality of pieces of equipment, the equipment being adapted to transmit signals indicating its operating state, includes the following steps: acquiring observations based on signals transmitted by the equipment of the system under diagnosis, and determining a global situation based on the acquired observations and predetermined failure trees associated with these observations, wherein a failure tree describes the relations between an observation and root causes, and a root cause indicates a failure in a piece of equipment; determining connected situations, a connected situation being a set of observations which, when considered in pairs, have at least one common root cause in their failure tree; determining partial diagnoses on the basis of each of the connected situations, the diagnoses including root causes associated with observations signalling a failure; and, displaying the diagnoses.
摘要翻译: 一种用于确定具有多个设备的系统的诊断的方法,所述设备适于传输指示其操作状态的信号,包括以下步骤:基于在诊断期间由所述系统的设备发送的信号获取观察值,以及确定 基于与这些观察相关联的获取的观测和预定故障树的全局情况,其中故障树描述观察和根本原因之间的关系,并且根本原因指示设备中的故障; 确定连接情况,连接情况是一组观察,当成对考虑时,在其故障树中至少有一个共同的根本原因; 基于每个相关联的情况确定部分诊断,所述诊断包括与发现失败的观察相关联的根本原因; 并显示诊断。