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State Diagram |
State diagrams for modeling control logic
A state diagram is a model of a reactive system. The model defines a finite set of states and behaviors and how the system transitions from one state to another when certain conditions are true.
State diagrams are used to model complex logic in dynamic systems, from automatic transmissions to robotic systems to mobile phones. Examples of this complex logic include:
- Scheduling a sequence of tasks or steps for a system
- Defining fault detection, isolation, and recovery logic
- Supervising how to switch between different modes of operation
You can model state diagrams with Stateflow software and integrate them into a Simulink model. These state diagrams provide additional capabilities beyond traditional finite state machines, including:
- Modeling hierarchical states for large-scale systems
- Adding flow graphs to define complex decision logic
- Defining orthognal states to represent systems with parallelism
General Introduction
- Stateflow Overview 1:58 (Video)
- Control Logic Made Easy with Stateflow 38:31 (Webinar)
- Introduction to Stateflow for Controls Applications 22:01 (Video)
- Modeling Logic in Communications Applications (Part 1) 8:20 (Video)
- Mealy and Moore Machines in Stateflow 30:00 (Webinar)
- Finite State Machine Concepts (Documentation)
Aerospace and Defense Applications
- Fault Detection for an Aircraft Control System (Example)
- Develop Logic for a Launch Abort System 12:46 (Video)
- Spacecraft Automated Landing System 17:56 (Video)
- Requirements-Based Testing in Aircraft Control Design (AIAA Paper)
Automotive Applications
- Modeling a Fault-Tolerant Fuel Control Systems (Example)
- Automotive Powertrain Control System 17:21 (Video)
- Automatic Transmission Control (Example)
- Hybrid Electric Vehicle Modeling and Simulation (Webinar)
See also: control logic, finite state machine, control systems, embedded systems, state-chart
