Doug Rosenberg, Caltech CTME and Parallel Agile, Inc.; Dr. Rick Hefner, Caltech CTME.
As organizations evaluate their transition to SysML v2, many struggle to balance its promise of increased rigor and executability with concerns about modeling effort, learning curve, and disruption to existing workflows. This presentation introduces a template-driven, AI-assisted approach that has delivered radical productivity gains using Cameo Systems Modeler 2026x, while supporting incremental adoption of SysML v2.
The approach is based on two complementary, Cameo-specific templates. The System Specification template provides a consistent starting point for SysML v2 modeling and includes a domain model, a top-level requirements model, a use case model, and an initial subsystem decomposition. The Subsystem Logical Architecture template is applied incrementally, subsystem by subsystem, and includes part decomposition, refined subsystem-level requirements, state-based behavior expressed as a state machine, and an internal block diagram capturing interfaces and connections.
By combining disciplined templates with AI assistance, engineers can move directly from structured English specifications to syntactically correct, Cameo-compatible SysML v2 code, while validating each subsystem independently before system-level integration. Examples drawn from aerospace systems illustrate how this approach accelerates onboarding, improves model consistency, and transforms SysML v2 from an experimental language into a high-productivity, scalable engineering practice.
Abstract source: 26CATIA_AIM_abstract.docx.
