{
  "node": {
    "id": "term:cloud-bms",
    "type": "Term",
    "label": "Cloud BMS",
    "properties": {
      "id": "cloud-bms",
      "name": "Cloud BMS",
      "aka": [
        "off-board battery analytics",
        "battery analytics",
        "cloud battery management"
      ],
      "section": "topic-data",
      "definition": "Battery estimation and diagnostics run on servers from data sent by the vehicle or site, alongside the on-board BMS rather than replacing it. With more computing power and a whole fleet to compare against, it can fit aging models, flag cells drifting from their peers and forecast remaining life; safety functions stay on board.",
      "related": [
        "bms",
        "fleet-telematics",
        "digital-twin",
        "state-of-health",
        "remaining-useful-life",
        "usage-histogram"
      ],
      "url": "https://lemonergy.com/learn/glossary/cloud-bms/",
      "mentions": []
    }
  },
  "edges": [
    {
      "id": "edge:5209",
      "source": "term:cloud-bms",
      "target": "topic:topic-data",
      "type": "belongsTo",
      "properties": {
        "sourceFile": "terms.json"
      }
    },
    {
      "id": "edge:5210",
      "source": "term:cloud-bms",
      "target": "term:bms",
      "type": "relatedTo",
      "properties": {
        "sourceFile": "terms.json",
        "meaning": "Related context; not a causal claim"
      }
    },
    {
      "id": "edge:5211",
      "source": "term:cloud-bms",
      "target": "term:fleet-telematics",
      "type": "relatedTo",
      "properties": {
        "sourceFile": "terms.json",
        "meaning": "Related context; not a causal claim"
      }
    },
    {
      "id": "edge:5212",
      "source": "term:cloud-bms",
      "target": "term:digital-twin",
      "type": "relatedTo",
      "properties": {
        "sourceFile": "terms.json",
        "meaning": "Related context; not a causal claim"
      }
    },
    {
      "id": "edge:5213",
      "source": "term:cloud-bms",
      "target": "term:state-of-health",
      "type": "relatedTo",
      "properties": {
        "sourceFile": "terms.json",
        "meaning": "Related context; not a causal claim"
      }
    },
    {
      "id": "edge:5214",
      "source": "term:cloud-bms",
      "target": "term:remaining-useful-life",
      "type": "relatedTo",
      "properties": {
        "sourceFile": "terms.json",
        "meaning": "Related context; not a causal claim"
      }
    },
    {
      "id": "edge:5215",
      "source": "term:cloud-bms",
      "target": "term:usage-histogram",
      "type": "relatedTo",
      "properties": {
        "sourceFile": "terms.json",
        "meaning": "Related context; not a causal claim"
      }
    }
  ],
  "neighbors": [
    {
      "id": "topic:topic-data",
      "type": "Topic",
      "label": "Data, communication and electronics",
      "properties": {
        "id": "topic-data",
        "name": "Data, communication and electronics",
        "lede": "The control units, chips, protocols and file formats through which a battery is measured, controlled and logged.",
        "context": "Separate quantities from encoding and transport.",
        "example": "2500 in a log might mean 25.00 °C, 2.5 V or raw counts. Units and scale must accompany the value.",
        "lesson_url": "https://lemonergy.com/learn/fundamentals/battery-basics/",
        "lesson_label": "Open battery basics"
      }
    },
    {
      "id": "term:bms",
      "type": "Term",
      "label": "Battery management system",
      "properties": {
        "id": "bms",
        "name": "Battery management system",
        "abbr": "BMS",
        "section": "topic-pack",
        "definition": "The electronics and software that keep a battery inside its safe window: measuring every cell voltage and many temperatures, estimating SOC and SOH, balancing cells, computing current limits, controlling the contactors and reporting over the vehicle network.",
        "related": [
          "state-of-charge",
          "cell-balancing",
          "state-of-power",
          "cell-supervision-circuit",
          "contactor",
          "can-bus"
        ],
        "lesson": "fundamentals/battery-basics/#cell-module-pack",
        "url": "https://lemonergy.com/learn/glossary/bms/",
        "mentions": [
          "state-of-health",
          "cell-voltage"
        ]
      }
    },
    {
      "id": "term:fleet-telematics",
      "type": "Term",
      "label": "Fleet telematics",
      "properties": {
        "id": "fleet-telematics",
        "name": "Fleet telematics",
        "section": "topic-applications",
        "definition": "The systems that collect battery state, consumption and fault data from each vehicle in a fleet and bring them to the depot and the operator. For an electric bus fleet they are what turns BMS data into charging plans and warranty cases.",
        "related": [
          "fms-interface",
          "vdv-301",
          "depot-charging",
          "state-of-health",
          "electric-bus",
          "data-logger"
        ],
        "url": "https://lemonergy.com/learn/glossary/fleet-telematics/",
        "mentions": [
          "bms"
        ]
      }
    },
    {
      "id": "term:digital-twin",
      "type": "Term",
      "label": "Digital twin",
      "properties": {
        "id": "digital-twin",
        "name": "Digital twin",
        "section": "topic-transport",
        "definition": "A model of a specific battery, kept in step with its real counterpart by live data, used to estimate state, predict life and plan operation. The term is used loosely; a model only earns it when it is continuously updated from the asset.",
        "related": [
          "aging-model",
          "state-of-health",
          "bms",
          "remaining-useful-life"
        ],
        "url": "https://lemonergy.com/learn/glossary/digital-twin/",
        "mentions": []
      }
    },
    {
      "id": "term:state-of-health",
      "type": "Term",
      "label": "State of health",
      "properties": {
        "id": "state-of-health",
        "name": "State of health",
        "abbr": "SOH",
        "section": "topic-state",
        "definition": "A summary of how far a cell has aged, often expressed through remaining capacity or increased resistance compared with when it was new. By convention a cell has reached end of life at 80 % of its rated capacity.",
        "unit": "%",
        "related": [
          "capacity-fade",
          "impedance-rise",
          "end-of-life",
          "remaining-useful-life",
          "state-of-charge",
          "state-of-certified-energy"
        ],
        "lesson": "fundamentals/capacity-and-c-rate/#real-cells",
        "url": "https://lemonergy.com/learn/glossary/state-of-health/",
        "mentions": [
          "nominal-capacity"
        ]
      }
    },
    {
      "id": "term:remaining-useful-life",
      "type": "Term",
      "label": "Remaining useful life",
      "properties": {
        "id": "remaining-useful-life",
        "name": "Remaining useful life",
        "abbr": "RUL",
        "section": "topic-state",
        "definition": "A prediction of how many cycles, or how much time, a battery has left before reaching end of life. It is estimated from the trend of state of health, and is uncertain near a knee point where fade accelerates.",
        "related": [
          "state-of-health",
          "end-of-life",
          "knee-point",
          "cycle-life"
        ],
        "url": "https://lemonergy.com/learn/glossary/remaining-useful-life/",
        "mentions": []
      }
    },
    {
      "id": "term:usage-histogram",
      "type": "Term",
      "label": "Usage histogram",
      "properties": {
        "id": "usage-histogram",
        "name": "Usage histogram",
        "aka": [
          "load spectrum",
          "load collective",
          "residence-time histogram"
        ],
        "section": "topic-data",
        "definition": "A compact record, kept by the BMS, of how long or how much charge the battery has spent in each bin of temperature, SOC, current or C-rate. Instead of storing years of raw data it summarises the load spectrum, which feeds warranty decisions, second-life assessment and aging-model calibration.",
        "related": [
          "load-profile",
          "aging-model",
          "warranty",
          "cloud-bms",
          "battery-triage"
        ],
        "url": "https://lemonergy.com/learn/glossary/usage-histogram/",
        "mentions": [
          "c-rate",
          "state-of-charge",
          "bms"
        ]
      }
    }
  ]
}