Advanced MBSE modeling tool for system safety and complex engineering needs.
Supports multiple system safety and modeling standards including SysML and STPA/STAMP.
Facilitates rigorous system engineering with goal structuring and safety case notations.
Enables modeling complex systems with clear visual representation and documentation.
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Astah System Safety
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Astah System Safety is a model-based systems engineering (MBSE) tool designed for complex system safety and reliability analysis. It supports industry-standard notations such as SysML, GSN, STPA/STAMP, and SCDL, enabling engineers to visualize, analyze, and document system safety requirements and safety cases effectively within integrated models.
SysML Modeling Support
Astah System Safety provides comprehensive support for Systems Modeling Language (SysML), enabling engineers to create detailed models that capture system requirements, behavior, structure, and constraints.
Goal Structuring Notation (GSN) Integration
It includes support for GSN, a notation used to clearly express and structure safety arguments, making safety case development transparent and easier to review.
STPA/STAMP Framework Compatibility
The component supports Systems-Theoretic Process Analysis (STPA) and Systems-Theoretic Accident Model and Processes (STAMP) methodologies, facilitating advanced hazard analysis and control strategy modeling.
SCDL (Safety Constraint Description Language) Support
Astah System Safety enables modeling safety constraints and conditions using SCDL, which enhances the precision and clarity of system safety specifications.
Visual Modeling Capabilities
The software offers intuitive diagrams and visual tools that help users represent complex system interactions, safety structures, and controls clearly and systematically.
Integration with MBSE Workflows
It integrates seamlessly into model-based systems engineering workflows, supporting collaboration among system engineers and enhancing traceability of safety-related information.
Product Compatibility
Review the details below to ensure this product is supported within your environment.
Operating System
Windows Desktop
macOS
Windows Desktop Version
Windows 11
Windows 10
About Change Vision
Change Vision, founded in 2006 with headquarters in Tokyo and a branch in Fukui, Japan, focuses on supporting system and software development through advanced modeling technologies. Recognized for its flagship modeling application Astah, the brand addresses the needs of developers, architects, and educators who value clarity, collaboration, and effective visualization of system structures. Change Vision builds on customer feedback, continually refining its software based on real-world usage and industry trends. Its commitment to innovation makes it a trusted choice for those seeking to improve the quality and communication of technical project design.