{
  "$type": "site.standard.document",
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  "description": "Systems (8) and methods (100) for estimating an engine event location are disclosed herein. In one embodiment, a controller (25) is configured to receive (104) a signal from at least one knock sensor (23) coupled to a reciprocating engine (10), transform (106) the signal, using a multivariate…",
  "path": "/patents/934564",
  "publishedAt": "2016-11-23T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "F02B77/085",
    "GEN ELECTRIC [US]"
  ],
  "textContent": "Systems (8) and methods (100) for estimating an engine event location are disclosed herein. In one embodiment, a controller (25) is configured to receive (104) a signal from at least one knock sensor (23) coupled to a reciprocating engine (10), transform (106) the signal, using a multivariate transformation algorithm, into a power spectral density (108), transform (114) the power spectral density into a plurality of feature vectors using predictive frequency bands (112), predict the engine event location using at least the plurality of feature vectors and a predictive model, and adjust operation of the reciprocating engine based on the engine event location.",
  "title": "SYSTEM AND METHOD FOR LOCATING AN ENGINE EVENT"
}