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GCRI · Artificial Intelligence and Autonomous Systems

Autonomous physical systems

Autonomous vehicles, drones, industrial and service robots sense their surroundings and act in the physical world, where errors can injure people and damage property. Their safety depends on perception, decision-making, fallback behaviour and the environments they are allowed to operate in. This page sets out how autonomous physical systems fail, how their safety is assessed, and what evidence serves the regulators, operators and communities involved.

01Register

Autonomous physical systems on the record.

02The question

Autonomous physical systems: how the risk develops.

Robots, sensors and controls. The dossier below sets out how the risk develops, what is measured, where the data come from, how it is modelled and who decides.

Mechanism

Perception meets the unexpected

Sensors and models misread rare situations: unusual objects, poor weather, glare or confusing road layouts. Rare cases dominate risk because they are hard to test.

Mechanism

Operating domains set limits

Systems are designed for an operational design domain of roads, weather, speeds or spaces. Failures increase when systems are used outside it.

Mechanism

Handover to humans is hard

Supervisors lose attention when automation works most of the time, and cannot take over instantly when it fails.

Mechanism

Safety cases must be argued

Showing that a system is acceptably safe needs a structured argument combining design, testing, simulation and field data, because driving or operating enough to see rare failures is impractical.

03Monitor

Agent oversight console.

The screen a team would use to follow this subject: its measures, states and decisions. Names are examples and values are illustrative.

Agent oversight console

Autonomous physical systems · Agent sandbox · Session AG-7276

Human approval pendingGCRI · Artificial Intelligence and Autonomous Systems

Tool calls

  1. 10:27Infosearch(documents) · read-only
  2. 10:20Inforun_model(flood_nowcast) · sandbox
  3. 10:39Gatesend_message(external) · needs approval
  4. 10:45Errorwrite_file(outside workspace) · denied

Policy

Scope
workspace only
External actions
human approval
Spend limit
11 units
Kill switch
Armed

Actions by approval class

050100count this weekAutoLoggedApprovedDeniedEscalated
Agent oversight console: the screen’s structure, terms and states for Autonomous physical systems.Example names and illustrative values; a design, not a record or a live system.
04Across the domains

Autonomous machines operate in physical domains with physical risks.

Findings are designed for the Labs Evidence series. SAE J3016 defines levels of driving automation, and the EU Machinery Regulation (2023) addresses machines with self-evolving behaviour.

  • Field safety incident data.
  • Test protocols for autonomy in unstructured settings.
05Methods and evidence

How autonomous physical systems is modelled, measured and tested.

The model, its assumptions, its data and its uncertainty, in the form a scientist or engineer would check. Structures follow published methods. The values drawn are illustrative, not findings.

System model

The couplings between the systems in autonomous physical systems: signs of influence, a reinforcing and a balancing loop, and cross-links where stress jumps.

++−+Artificial intelligenceDataCommunitiesEconomyR reinforcingB balancing
Causal loop diagram from the page’s systems; signs show the direction of influence. Illustrative structure for a system dynamics or network model, not estimated couplings.
FAIR guiding principles · GO FAIR and FORCE11W3C PROV · World Wide Web ConsortiumGuidance on consistent treatment of uncertainties · IPCCCEOS Analysis Ready Data · Committee on Earth Observation Satellites
06Indicators

What is measured, and how well.

Each indicator carries its unit, its cadence, the kind of source behind it and the evidence label a value would carry. No values are shown: a programme supplies them under its own authority.

IndicatorUnitCadenceSource typeLabel
Crashes involving automated driving systemscount by severitymonthlyMandatory crash reportingPublished statistics
Disengagements or interventionscount per distance or hourannualOperator reports to regulatorsREPORTED
Distance driven autonomouslykilometresannualOperator reportsDECLARED
Industrial robot injuriescountannualOccupational injury statisticsPublished statistics
Operating domain exceedancescount of events outside design domainper deploymentOperator logsOBSERVED
Drone incidents near aircraftcountannualAviation safety reportingREPORTED
07Sources

Where the evidence comes from.

Named public datasets and institutional records, each with its licence class. Sources by agreement are used only under their terms and never republished.

SourceWhat it givesLicence class
NHTSA Standing General Order crash reportsCrashes involving automated driving and driver assistance systems in the USPublic domain, US government
California DMV autonomous vehicle reportsCollision and disengagement reports from permit holdersPublic records
UNECE regulations on automated driving, including UN Regulation No. 157Type approval requirements for automated lane keeping and related systemsPublic, UNECE terms
ISO 10218 and ISO/TS 15066Safety requirements for industrial and collaborative robotsLicensed standards, purchase required
National occupational injury statisticsInjuries involving machinery and robotsPublic records, licence per government
08Decisions

Who decides, and what the evidence serves.

Artificial Intelligence and Autonomous Systems prepares evidence. The decisions below are taken by the authorities named, under their own rules, and never by the platform.

Who decidesThe questionEvidence this page serves
Transport and aviation regulatorsWhether and where to permit autonomous operationCrash data with exposure; safety case reviews
Workplace safety regulatorsWhat safety requirements to set for robotsInjury statistics; standards
Operators and manufacturersHow to define and enforce operating domainsDomain documentation; exceedance logs

Outputs this topic produces

  • Safety case review frameworks
  • Analyses of crash and intervention reports with exposure stated
  • Operational design domain documentation templates
  • Evidence notes for regulators
09Core questions

What safety engineers ask.

  • Does the system perceive its environment correctly across weather, lighting and unusual objects?
  • How does it behave at the edges of its operating conditions, and does it know when it is outside them?
  • Can it fail safely, handing over to a person or stopping without creating new hazards?
  • How is safety demonstrated when learned components cannot be fully specified?
10Mechanisms

Where physical autonomy fails.

Perception is the weak link: cameras, lidar and radar each fail differently in rain, glare, dust or darkness, and learned perception models can misclassify rare objects. Planning must handle uncertain predictions of other agents’ behaviour. Control must remain stable as conditions change.

Handover to humans is difficult because people monitoring automation lose situational awareness and may not respond in time. Classical safety engineering assumes components whose behaviour can be fully specified, which learned components are not.

11Methods and data

Assurance for systems that move.

  1. 01

    Operational design domain

    Defining the conditions a system is designed for and detecting when it leaves them.

  2. 02

    Simulation and scenario testing

    Testing across large numbers of simulated scenarios, using robotics and automation and high-performance, cloud and edge computing. Simulation fidelity limits what it can reveal.

  3. 03

    Safety cases

    Structured arguments, supported by evidence, that a system is acceptably safe for a use, drawing on AI evaluation and assurance engineering. A safety case is only as strong as its weakest evidence.

  4. 04

    Field monitoring

    Collecting incidents and near misses after deployment. Under-reporting is common.

13Where this page’s references

Where this page’s references lead.

The bodies and documents this page is read against. Status and editions change; each link goes to the issuing body.

14Questions

Questions and answers.

What is an operational design domain?
The conditions under which an automated system is designed to operate, such as road types, speeds, weather and time of day.
Are self-driving cars safer than human drivers?
Evidence is still accumulating. Fair comparison needs crash data with matched exposure, road types and conditions, which public reports often lack.
What is a safety case?
A structured argument, supported by evidence, that a system is acceptably safe for a specific use in a specific environment.
Are autonomous vehicles safer than human drivers?
It depends on the system, the conditions and how safety is measured. Comparisons need like-for-like conditions and enough exposure to observe rare events, which is why claims should be read with their data.
Can learned components be safety-assured?
Partly, through testing, monitoring and architectures that constrain them with simpler verified components. Assurance of learned components remains an active research area.
Does the platform test products?
No. It develops and publishes methods. Product testing and approval are the roles of manufacturers, testing bodies and regulators.
ReportsContribute

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Reports is the Consortium’s quarterly publication. What you know about this subject can become evidence, a case or a correction in the next edition, credited to you and published under CC BY 4.0 where it is your own work.

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