VigilySys Usability

Usability engineering from user context to controlled evidence.

Give human-factors, systems, risk, quality and regulatory teams one connected workflow for use specification, interaction modelling, use-related risk, evaluation planning and the Usability Engineering File.

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Standalone product · shared Vigilance Map when used with the platform · performed studies, observed results and validation remain human/source-owned

One controlled workflow

Keep use context, interaction detail and risk decisions in the same engineering story.

Define use

Capture intended users, use environments, operating conditions and user-interface context.

Model interaction

Connect UI elements, scenarios, tasks and sequence diagrams to the system under focus.

Control use-related risk

Structure PCA, use errors, hazardous situations, controls and traceable verification needs.

Plan and prepare evidence

Separate evaluation plans from performed studies and assemble the Usability Engineering File.

Use specification→Users→Use environments→UI elements→Scenarios→Tasks→Sequence diagrams→PCA→Use errors→Use-related risk→Controls→Evaluation planning→Evidence

Reviewer-readable output

An Usability Engineering File grounded in the interaction model.

Trace use specification, critical tasks, use-related risks, controls, evaluation planning, performed evidence and blockers into one controlled file. Final validation conclusions, review and release remain accountable human decisions.

Use specificationUsers, environments, UI and operating context

Task and sequence traceScenario-to-task-to-interaction relationships

Use-related riskUse errors, hazardous situations and controls

Evaluation and evidencePlans remain distinct from performed observations

Cross-functional by design

Keep human factors connected to system and risk engineering.

Usability work retains its own focused workflow while sharing system scope, interface context, hazards, controls, verification and evidence relationships through the Vigilance Map.

Bounded AI assistance

Use the Vigilance Agent to progress the model, not invent study results.

The agent can identify missing context and prepare structured plans within the selected usability stage. Exact human confirmation may create a Change Request draft; it cannot perform a study, observe a participant, create performed evidence, approve validation or accept residual risk.

Start with Usability

See how one representative workflow becomes a traceable usability case.

Bring a user-facing system, UI element or critical scenario. We will map its current evidence and show the controlled path to the Usability Engineering File.

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