Stateflow
control logic tool used to model reactive systems via state machines and flow charts within a Simulink model
Stateflow (developed by MathWorks) is a control logic tool used to model reactive systems via state machines and flow charts within a Simulink model. Stateflow uses a variant of the finite-state machine notation established by David Harel, enabling the representation of hierarchy, parallelism and history within a state chart. Stateflow also provides state transition tables and truth tables.
Common uses
Stateflow is generally used to specify the discrete controller in the model of a hybrid system where the continuous dynamics (i.e., the behavior of the plant and environment) are specified using Simulink.
Specific applications for Stateflow include:
Mode logic, where each discrete mode of a system is represented by a state
Fault management, where the Stateflow chart is used to control how the system responds to faults and failures within a system
Task scheduling, where the Stateflow chart is used to schedule when specific tasks occur, either within the Stateflow chart or within the overall Simulink model
Extensions
A number of MathWorks and third-party tools can be used with Stateflow to validate the design and generate code. For example, Simulink Verification and Validation, a MathWorks tool, can be used to check for requirements traceability and model coverage analysis. Other add-on code generation tools can be used to automatically generate C, C++, HDL, and PLC code for implementation on embedded systems.
The public source identifies “Stateflow” as control logic tool used to model reactive systems via state machines and flow charts within a Simulink model. This brief keeps that definition visible, then builds a research path around Stateflow, control and logic.
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This entry incorporates text from “Stateflow” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.