Stateflow
Simulation & CAE software
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What is Stateflow
Stateflow is a graphical modeling environment for designing and simulating state machines and flow logic, typically as part of model-based design workflows. It is used by engineers to specify event-driven behavior, supervisory control, and mode logic for embedded and cyber-physical systems. Stateflow integrates with block-diagram simulation models and supports simulation, testing, and code generation workflows when used within its broader platform context.
Graphical state machine modeling
Stateflow provides a dedicated notation for state machines, including hierarchical states, parallel (AND) states, and event-driven transitions. This helps teams represent mode logic and supervisory control more explicitly than general numerical scripting alone. The visual structure can improve reviewability for complex reactive logic compared with text-only implementations.
Tight simulation workflow integration
Stateflow is designed to work alongside block-diagram simulation models, enabling combined continuous-time and discrete-event behavior in a single executable model. This supports early validation of control logic against plant or system models during simulation. It also fits into test and verification workflows that rely on model execution and traceable behavior.
Supports production code generation
In supported configurations, Stateflow models can be used as inputs to automatic code generation toolchains for embedded targets. This can reduce manual translation effort from design models to implementation for state-based logic. It also helps maintain consistency between simulated behavior and deployed logic when the workflow is governed and versioned.
Requires broader platform licensing
Stateflow is not typically used as a standalone tool; it is commonly licensed and operated within a larger modeling and simulation platform. This can increase total cost and procurement complexity compared with general-purpose numerical computing tools. Organizations may need additional products for full workflows such as code generation, testing, and requirements linkage.
Learning curve for semantics
Correct use requires understanding execution semantics such as event broadcasting, temporal logic, and state hierarchy/parallelism. Teams transitioning from hand-coded finite state machines may need training to avoid unintended behaviors. Model readability can degrade if charts become overly dense without strong modeling standards.
Not a general CAE solver
Stateflow focuses on discrete-event and state-based logic rather than physics-based CAE solving or 3D mechanical design. Users still need separate tools for geometry, meshing, and multiphysics analysis where applicable. As a result, it complements rather than replaces broader simulation and CAD/CAE suites.
Seller details
The MathWorks, Inc.
Natick, Massachusetts, USA
1984
Private
https://www.mathworks.com/
https://x.com/MATLAB
https://www.linkedin.com/company/the-mathworks/
