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Autonomy software

Nexus

One mind, many machines

Status
Deployed across all XNANU systems
Overview

The off-world autonomy stack: perception, planning and fleet reasoning that runs entirely on the far side of the delay.

Nexus is what makes a collection of robots behave like one expedition. It fuses every sensor on the surface into a shared world model, assigns work by expected scientific value, and degrades gracefully when a link, a node or a whole machine disappears.

Capabilities
  • 01Multi-agent task allocation
  • 02Onboard perception and mapping
  • 03Delay-tolerant mission execution
  • 04Full decision provenance
01

Shared world model

Every observation from every machine lands in one map with uncertainty attached. Nothing is measured twice by accident.

02

Intent, not joysticks

Operators state goals and constraints. Nexus turns them into thousands of decisions that no ground station could have sent in time.

03

Auditable autonomy

Every action carries the state, the model version and the rule that permitted it. Mission review is a query, not an investigation.

In the field
Hardware-in-the-loop rig: the same binary that ships to the surface.
Hardware-in-the-loop rig: the same binary that ships to the surface.
Nexus runs the site while the crew sleeps — or is not there at all.
Nexus runs the site while the crew sleeps — or is not there at all.
Specifications

Nexus

Figures are current qualification values and are updated as campaigns close.

Decision latency
40 ms onboard
Fleet size
Up to 64 assets per site
Link independence
31 sols offline
Compute
104 TOPS, 28 W
Assurance
Formally verified safety envelope
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