{
  "$type": "site.standard.document",
  "coverImage": {
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  "description": "The present invention relates to an energy harvester and an engine monitoring system including the same. An engine monitoring system using an energy harvester according to an embodiment of the present invention includes at least one or more self-power generation wireless sensor nodes for generating…",
  "path": "/patents/1433292",
  "publishedAt": "2025-12-24T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "G01M15/02",
    "KOREA RAILROAD RES INSTITUTE [KR]"
  ],
  "textContent": "The present invention relates to an energy harvester and an engine monitoring system including the same. An engine monitoring system using an energy harvester according to an embodiment of the present invention includes at least one or more self-power generation wireless sensor nodes for generating electric energy using the energy harvester and monitoring an engine; and a management server that receives and manages sensing information received from the self-power generation wireless sensor nodes, wherein each of the self-power generation wireless sensor nodes includes at least one or more sensor modules that monitor the engine; a data processing unit that identifies and packages sensing information received from the sensor modules; a wireless communication unit that wirelessly transmits the packaged sensing information received from the data processing unit to the management server; the energy harvester that generates electric energy to be supplied to the sensor modules, the data processing unit, and the wireless communication unit by converting vibration energy of the engine into the electric energy; and a power management unit that controls the electric energy generated by the energy harvester to supply the electric energy to the sensor modules, the data processing unit, and the wireless communication unit.",
  "title": "ENERGY HARVESTER AND ENGINE MONITORING SYSTEM USING SAME"
}