{
  "schemaVersion": "neuralan-report/1.0",
  "reportId": "NR-RPT-20261114-02",
  "eventId": "NR-EVT-20261114-02",
  "reportRevision": 1,
  "reportStatus": "generated",
  "taskType": "engine_state_screening",
  "product": {
    "name": "NEURALAN GR-01",
    "scenario": "停车场道闸车辆短暂停稳时的发动机磁场状态筛查；不要求发动机重启"
  },
  "provenance": {
    "kind": "event_analysis_record",
    "sourceId": "NR-REC-20261114-02",
    "coverage": "本报告提供事件、分类和诊断摘要，未附原始磁场数值文件。",
    "externalIdentifiers": "none",
    "availableRecords": [],
    "valuePolicy": "无随附原始数值时磁场测量明细为null；时间字段采用+08:00。"
  },
  "site": {
    "city": "北京市顺义区",
    "name": "顺义园区停车场出口",
    "siteId": "NR-SITE-SY-02",
    "laneId": "NR-LANE-EXIT-01",
    "installationLocation": "出口道闸外侧独立检测终端"
  },
  "device": {
    "deviceId": "NR-GR01-UNIT-02",
    "configurationVersion": "NR-CONFIG-20261114-A"
  },
  "timing": {
    "observedAt": "2026-11-14T21:05:00+08:00",
    "windowStart": "2026-11-14T21:05:00+08:00",
    "windowEnd": "2026-11-14T21:05:08+08:00",
    "generatedAt": "2026-11-14T21:05:09+08:00",
    "receivedAt": null,
    "clockStatus": "synchronized"
  },
  "vehicle": {
    "vehicleId": null,
    "identityStatus": "anonymous_event_only",
    "linkageSource": "none",
    "vehicleModel": {
      "label": "VEH-HYBRID-A",
      "source": "vehicle_family_classification"
    },
    "powertrainType": "hybrid",
    "vin": null,
    "licensePlate": null,
    "odometerKm": null,
    "identityLimit": "仅关联本事件；未提供外部车辆标识，不判断跨事件同车身份"
  },
  "engine": {
    "model": "ENG-L4-H",
    "modelSource": "engine_feature_classifier",
    "modelLibraryVersion": "NR-MODEL-LIB-20261114-A",
    "archiveId": "NR-ENG-ARCHIVE-02",
    "factorySerialNumber": null,
    "factorySerialSource": "none",
    "runningStatus": "running",
    "runningStatusBasis": "本次运行状态分析记录为发动机运行"
  },
  "observed": {
    "vehicleMotion": {
      "status": "stationary",
      "source": "event_state_record"
    },
    "magneticMeasurementValues": null,
    "rawEvidence": {
      "available": false,
      "source": "not_attached"
    },
    "featureDescriptions": [
      {
        "label": "局部周期变化",
        "description": "二号缸关联周期存在重复性不一致。",
        "source": "feature_analysis_record"
      },
      {
        "label": "背景对照",
        "description": "参考通道未同步出现相同变化。",
        "source": "feature_analysis_record"
      }
    ],
    "signalQuality": {
      "status": "pass",
      "reasons": [
        "车辆已停稳",
        "目标与参考通道有效",
        "未见影响本次比较的共同干扰"
      ]
    },
    "engineStateEvidence": {
      "source": "engine_state_analysis_record"
    }
  },
  "classification": {
    "result": "valid_abnormal_pattern",
    "modelMatchStatus": "matched_family",
    "referenceId": "NR-REF-L4-H-NORMAL-01",
    "summary": "混动发动机本次运行，异常特征对应二号缸燃烧不均。"
  },
  "diagnosis": {
    "status": "fault_diagnosis",
    "findings": [
      {
        "findingId": "NR-FINDING-02-A",
        "component": "点火系统／二号缸点火线圈",
        "position": {
          "assembly": "发动机气缸盖上方点火组件",
          "cylinder": "cylinder_2",
          "numberingConvention": "ENG-L4-H结构档案：从正时端向变速箱端编号1至4",
          "coordinateFrame": "ENG-FRAME-H1；原点为正时端曲轴轴心，X朝变速箱，Y朝进气侧，Z朝缸盖",
          "xyzMm": null,
          "diagramAnnotationId": "NR-DIAGRAM-H1-CYL2-COIL"
        },
        "causeAnalysis": {
          "cause": "二号缸点火线圈内部绕组间歇开路，导致该缸点火输出不连续及燃烧不均。",
          "relatedFactors": [
            "火花塞及其连接状态",
            "喷油与混合气状态",
            "气缸压缩差异"
          ],
          "analysisLevel": "component_and_cause"
        },
        "evidenceBasis": [
          "异常周期位置与ENG-L4-H二号缸关联档案对应。",
          "参考通道未同步出现同类变化。"
        ],
        "recordStatus": "recorded"
      }
    ],
    "resultScope": [
      "发动机状态筛查",
      "不包含制动、轮胎、动力电池与整车其它系统",
      "不作为道闸自动拦车或安全放行指令"
    ]
  },
  "alert": {
    "category": "vehicle_anomaly",
    "severity": "attention",
    "title": "车辆异常提醒：二号缸点火系统异常",
    "message": "事件NR-EVT-20261114-02：发动机本次运行，诊断部位为二号缸点火线圈，原因记录为内部绕组间歇开路及点火输出不连续。请停车场授权岗位查看完整报告。本事件匿名，无法直接联系车主；不触发道闸拦车，不生成维修或预约任务。",
    "recipientRole": "停车场事件值班岗",
    "deliveryStatus": "not_dispatched",
    "deduplication": {
      "key": "NR-EVT-20261114-02",
      "scope": "same_event_only",
      "crossEventVehicleMerge": false
    },
    "acknowledgment": {
      "status": "pending",
      "meaning": "接收待处理；查看或关闭通知不代表车辆故障已修复"
    }
  },
  "delivery": {
    "connectionState": "online",
    "replayed": false,
    "dispatchMode": "not_enabled"
  },
  "retentionPolicy": "按停车场已约定的数据保管与删除规则执行；本记录不指定固定保留天数。"
}