Telemetry and Data Pipelines

filter · trigger · stream · store

Fleets cannot upload everything they see. Good telemetry sends the right data, not more data.

From sensor to training set: an edge filter and event triggers select data, which streams to a data lake and becomes features and models. Most raw data stays on the machine; summaries and triggered clips move upstream. FROM SENSOR TO TRAINING SET Edge filter Triggers Stream Data lake Features most raw data stays on the machine; summaries and triggered clips move upstream
Upload
Summaries + events
Raw data
Stays local
Uses
Ops, warranty, training
Key design
Triggers
Hub
Systems

Finding

Telemetry works when machines send summaries and triggered events instead of raw streams, matched to clear operating and training goals

A single vehicle's cameras produce gigabits per second; no fleet can upload all of it. Telemetry pipelines decide what leaves the machine: continuous low-rate signals for health and energy, summaries for fleet dashboards, and event-triggered clips - a hard brake, a disengagement, a cell temperature spike - for engineering and training. Tesla's practice of asking its fleet for specific rare scenarios is the best-known version.

Downstream, data lands in streams and data lakes, is joined with maintenance and operations records, and becomes the inputs to dashboards, warranty analysis, digital twins and model training. Each use needs a defined objective - otherwise pipelines collect expensive data nobody uses. Privacy and data-residency rules, including China's requirement that vehicle data generated in China stay there, shape where pipelines can run.

Objectives

Telemetry objectives

Telemetry objectives
ObjectiveDataCadence
OperationsLocation, state of charge, faultsSeconds to minutes
Maintenance and warrantyFault codes, component trendsDaily, on event
EnergyCharging sessions, consumptionPer session
Safety and engineeringTriggered clips around eventsOn event
TrainingCurated rare scenariosCampaign-based

Sources

Sources and scope

Scope
Telemetry and Data Pipelines for Software-Defined Systems
Sources
ElectronsX analysis
Updated
October 2026