AxoDen

Concept

AxoDen Grid Flight Recorder

Grid Flight Recorder sits in the actuation path for microgrids and industrial control systems, blocks unsafe execution at decision time, and emits machine-verifiable evidence for replay and audit.

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Evaluation brief

Runtime execution assurance for critical actuation paths in cyber-physical systems.

This should be framed as an execution-assurance layer for cyber-physical actuation, centred on stale-intent prevention and fail-closed gating rather than generic logging.

What it does

  • Sits between controller or operator logic and the actuator interface for breakers, relays, valves, and setpoint writes.
  • Applies deterministic pre-actuation gating across safety, policy, and evidence validity with fail-closed behaviour.
  • Treats intent as session-scoped so stale commands are invalid after restart unless re-authorised under current conditions.

Deployment surface

  • Sidecar on the control host.
  • Dedicated enforcement gateway component.
  • Embedded enforcement module depending on target latency and integration constraints.

Primary hazard

Zombie Intent

Execution mode

Fail-closed gating

Evidence outputs

CAR + Replay Pack

Safe public claims

  • Execution assurance layer for critical cyber-physical actuation paths.
  • Session-bound intent validation to reduce stale replay risk after outage or restart.
  • Machine-verifiable evidence outputs for audit and replay workflows.

Current claim boundary

  • This is currently an evaluation-brief stage product rather than a repo-backed deployed runtime.
  • Keep deployment and performance claims domain-specific and pilot-scoped.
  • Do not present it as a finished general-purpose ICS platform.