{
  "$type": "site.standard.document",
  "description": "A state estimation system of a dump truck including an engine and a dump body that includes a flow path through which exhaust gas discharged from the engine flows and on which a load is loaded includes an exhaust gas flow rate acquisition unit that acquires an exhaust gas flow rate indicating…",
  "path": "/patents/1407490",
  "publishedAt": "2026-06-16T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "G07C5/0825",
    "KOMATSU LTD."
  ],
  "textContent": "A state estimation system of a dump truck including an engine and a dump body that includes a flow path through which exhaust gas discharged from the engine flows and on which a load is loaded includes an exhaust gas flow rate acquisition unit that acquires an exhaust gas flow rate indicating detection data of a flow rate of the exhaust gas flowing into the flow path, an exhaust gas temperature acquisition unit that acquires an exhaust gas temperature indicating detection data of a temperature of the exhaust gas flowing into the flow path, and a body temperature estimation unit that estimates a body temperature indicating a temperature of a predetermined portion of an inner surface of the dump body in contact with the load on the basis of the exhaust gas flow rate and the exhaust gas temperature.",
  "title": "State estimation system, dump truck, and state estimation method"
}