Astah System Safety logo

Astah System Safety

by Change Vision · Since 2002
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Active3+ countriesCloud
Quick facts
VendorChange Vision
Year launched2002
StatusActive
Locationc/o Work Styling, 5th Floor, Shiodome City Center, 1-5-2, Higashi-shimbashi, Minato-ku, Tokyo, JAPAN 105-7105
Countries served3+
Languages5
Integrations
Free tier
Free trialYES
Contact sales

About Astah System Safety

Astah System Safety is a model-based systems engineering (MBSE) software from Change Vision designed for safety-critical systems. It includes STPA STAMP, SysML, UAF, GSN, and SCDL to support comprehensive safety analysis. This tool helps teams effectively manage complex safety requirements and fosters collaboration between various engineering disciplines. Astah System Safety simplifies the integration of diverse safety methodologies, ensuring that all aspects of safety are addressed systematically. Key capabilities: STPA STAMP SysML support UAF integration GSN modeling SCDL compatibility Best for: engineers and safety analysts that need to perform safety analysis and design for safety-critical systems.

Astah System Safety is a comprehensive modeling tool designed for safety-critical systems across industries such as automotive, aerospace, railways, healthcare, and robotics. It supports system architecture modeling and safety assessment, integrating various modeling languages like SysML, UAF, STAMP/STPA, GSN, and ASAM SCDL. With its focus on Model-Based Systems Engineering (MBSE), Astah ensures traceability between models, making it an ideal solution for industries where safety and system consistency are paramount. The tool also features an API that allows for integration with other applications, enabling teams to streamline their system engineering processes. The software’s interface is intuitive, allowing users to rapidly create and modify diagrams while maintaining collaboration features such as file merging, diagram comparison, and real-time editing. It supports file formats like XML, XMI, and Excel, enabling seamless import and export of data, particularly from tools like Cameo System Modeler. Users benefit from custom icon support, profile management, and efficient search functionality, which makes navigation through complex models easier.

Pros & Cons

What users like
  • +Extensive support for safety-critical modeling languages.
  • +Full integration with SysML and STPA methodologies.
  • +Robust team collaboration and file management.
  • +Flexible API for integration with other tools.
What users flag
  • Only available for Windows, limiting cross-platform use.
  • Pricing may be high for small teams or individual users.

Features

Key features

SysML Support
Multi-viewpoint modeling with full SysML integration for system engineering.
STPA (STAMP)
Accident causality model-based analysis supported with control structure diagrams, unsafe control action tables, and loss scenario tables.
GSN/D-Case Support
Visualizes safety arguments and supports conversion between GSN and other models.
UAF Plug-in
Simplifies Unified Architecture Framework modeling with intuitive diagram access.
ASAM SCDL Support
Describes safety concepts for ISO 26262 with dedicated safety concept diagrams.
Team Collaboration
Real-time collaboration tools such as file merging and diagram comparison.

Additional features

SysML
Complete SysML modeling with import/export capabilities.
STAMP/STPA
Full support for safety analysis using STPA with precondition, control structure, and loop diagrams.
GSN/D-Case
Goal Structuring Notation for safety cases with auto-layout features.
ASAM SCDL
Safety concept description for compliance with ISO 26262.
API Support
Extendable with API and free plug-ins.
Custom Icons
Tailor diagrams with custom icon support.
Excel Export
Export safety diagrams and data into Excel for further analysis.

Pricing

Free trial
Free version
Request a quote
Promo Offer

Countries & Languages

3
Countries served
5
Interface languages
2
Billing currencies

Available in

United StatesJapanEuropean countries

Interface languages

EnglishPortugueseJapaneseChineseThai.

Billing currencies

🇺🇸USD🇪🇺EUR

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