Accelerometerid

Accelerometerid is a term used to describe a unique identifier assigned to a specific accelerometer sensor within a device or system. It serves to distinguish data originating from different sensors, support calibration processes, enable data fusion across multiple sources, and assist in device management and data organization.

The identifier may be assigned by the device manufacturer, a platform's sensor catalog, or by an application at runtime. Formats vary and can be numeric, alphanumeric, or a universally unique identifier (UUID). In data streams or logs, the accelerometerId is typically carried as a field alongside timestamped axis measurements (x, y, z) and may be paired with unit information such as g or m/s^2.

In systems with multiple accelerometers, such as advanced mobile devices, wearables, or automotive sensor suites, accelerometerid enables differentiation among parallel data streams. This supports accurate sensor fusion, orientation estimation, and contextual analysis by ensuring each data sample is linked to its source sensor. It also facilitates sensor-specific calibration, drift correction, and maintenance, since calibration data can be stored and retrieved using the corresponding accelerometerid.

Security and privacy considerations apply to accelerometerids, as exposing hardware identifiers can contribute to device fingerprinting. Access controls, least-privilege data sharing, and, when external distribution is needed, hashing or masking identifiers can mitigate these risks.

See also: accelerometer, sensor identification, data schema, calibration, sensor fusion.