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  2. UML state machine - Wikipedia

    en.wikipedia.org/wiki/UML_state_machine

    The UML specification [1] prescribes that a transition involves exiting all nested states from the current active state (which might be a direct or transitive substate of the main source state) up to, but not including, the least common ancestor (LCA) state of the main source and main target states. As the name indicates, the LCA is the lowest ...

  3. State diagram - Wikipedia

    en.wikipedia.org/wiki/State_diagram

    A state diagram for a door that can only be opened and closed. A state diagram is used in computer science and related fields to describe the behavior of systems. State diagrams require that the system is composed of a finite number of states. Sometimes, this is indeed the case, while at other times this is a reasonable abstraction.

  4. SCXML - Wikipedia

    en.wikipedia.org/wiki/SCXML

    SCXML stands for State Chart XML: State Machine Notation for Control Abstraction. It is an XML-based markup language that provides a generic state-machine-based execution environment based on Harel statecharts. SCXML is able to describe complex finite-state machines. For example, it is possible to describe notations such as sub-states, parallel ...

  5. Algorithmic state machine - Wikipedia

    en.wikipedia.org/wiki/Algorithmic_State_Machine

    An ASM chart consists of an interconnection of four types of basic elements: state name, state box, decision box, and conditional outputs box. An ASM state, represented as a rectangle, corresponds to one state of a regular state diagram or finite-state machine. The Moore type outputs are listed inside the box. State Name

  6. State-transition table - Wikipedia

    en.wikipedia.org/wiki/State-transition_table

    In the state-transition table, all possible inputs to the finite-state machine are enumerated across the columns of the table, while all possible states are enumerated across the rows. If the machine is in the state S 1 (the first row) and receives an input of 1 (second column), the machine will stay in the state S 1.

  7. Executable UML - Wikipedia

    en.wikipedia.org/wiki/Executable_UML

    Classes have lifecycles which are modeled in Executable UML with a statechart diagram. The statechart diagram defines the states, transitions, events, and procedures that define a class' behaviour. Each state has only one procedure that is executed upon entry into that state. A procedure is composed of actions, which are specified in an action ...

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