Plan, analyse and prove safety in one traceable workspace.
λSafe covers the full lifecycle of safety-related products: planning, requirement management, test management and safety analysis, with the evidence linked end to end.
Built for IEC 61508, ISO 26262 and ISO 13849-1 projects. One of Pyravera's safety tools.
Four modules, one lifecycle
From the first plan to the final safety case
Each module works on the same project data, so a change in one place shows up wherever it matters.
Planning
Set up each project, its safety cases and the work products they require. Track every branch against its target standard.
Requirement management
Define safety functions and requirements, then link them to the hardware and mechanisms that realise them.
Test management
Plan verification and record results, so each requirement points to the evidence behind it.
Safety analysis
FMEDA, common cause analysis and safety metrics, calculated against the standard that applies to your product.
Inside λSafe
One workspace, from plan to proof
Pick a module to see its screens. They come from an example IEC 61508 SIL 2 project with the project content blurred. Labels, structure and calculated results are shown as they appear in the tool.
Safety analysis
Hardware analysis that stays connected to the rest of the project
Work at the level of components and failure modes. The metrics update beside your worksheet.
FMEDA worksheets
Failure modes, failure rates and diagnostic coverage per element and per channel, with live safety metrics next to the table.
Component reliability library
FMEDA rows cite shared library entries, so failure-rate data is entered once and reused. See where each entry is used across projects.
Safety mechanisms
Assign mechanisms to failure modes with test interval, diagnostic coverage and verification status, and see which have no evidence yet.
Common cause failures
Score the standard's checklist item by item, attach a justification and documents to each, and carry the resulting β factor into the metrics.
Safety metrics
SFF and PFH, SPFM, LFM and PMHF, MTTFd, DCavg and PL. Each result shows its target and tells you when an input changed since the last calculation.
BOM and schematic import
Import your BOM to create FMEDA components. Attach a vector schematic PDF and see parts matched by reference designator, highlighted by colour. Highlights never change the analysis.
Traceability
Every result links back to what produced it
Open a metric and follow it to the FMEDA, the mechanisms and the common cause assessment behind it. Generate the evidence and traceability report from the same data.
FMEDA
failure rates · DCSafety mechanisms
interval · coverageβ factor
scored checklistSafety metrics
verdict per standardStandards
Calculated the way each standard asks for it
One analysis can be tagged against several standards, and each branch of the safety case keeps its own status.
Metrics checked against the target for your subsystem type and hardware fault tolerance.
Single-point and latent fault metrics, with ASIL decomposition across channels.
Performance level resolved from category, MTTFd band and DCavg band.
A built-in standards database explorer lets you look up requirements without leaving the project.
Deployment
Run it hosted, or run it yourself
Both options come from one codebase, so you can start hosted and move on-premises later without changing how you work.
Hosted by Pyravera
A multi-tenant service with each organisation's data kept separate. Nothing to install or maintain.
Self-hosted
Deploy on your own infrastructure, including air-gapped and on-premises environments for automotive and defence customers.
With Pyravera