{
  "$type": "site.standard.document",
  "description": "An apparatus (40) for detecting a transient event in an operating machine, the apparatus comprising: a controller (42) configured to control performance of the following steps: a measurement step (60) comprising measuring a periodic signal from a machine; a processing step (66) comprising…",
  "path": "/patents/1417951",
  "publishedAt": "2024-01-17T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "F02C3/04",
    "ROLLS ROYCE PLC [GB]"
  ],
  "textContent": "An apparatus (40) for detecting a transient event in an operating machine, the apparatus comprising: a controller (42) configured to control performance of the following steps: a measurement step (60) comprising measuring a periodic signal from a machine; a processing step (66) comprising synchronously processing the periodic signal to track the primary frequency; a filtering step (75) comprising removing the primary periodic component and its harmonics from the periodic signal to yield a filtered dataset; an integration step comprising integrating the filtered dataset over the remaining frequencies to yield an integrated dataset representing the periodic energy at frequencies other than the primary frequency and its harmonics; an analysis step (82) comprising identifying a short-term transient in the integrated dataset to identify a transient disruption in the operation of the machine.",
  "title": "DETECTION OF TRANSIENT EVENTS"
}