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As Moore and Mealy machines are both types of finite-state machines, they are equally expressive: either type can be used to parse a regular language.. The difference between Moore machines and Mealy machines is that in the latter, the output of a transition is determined by the combination of current state and current input (as the domain of ), as opposed to just the current state (as the ...
SCXML an XML language that provides a generic state-machine based execution environment based on Harel statecharts. UML state machine; YAKINDU Statechart Tools is a software for modeling state diagrams (Harel statecharts, Mealy machines, Moore machines), simulation, and source code generation.
Edward Forrest Moore (November 23, 1925 in Baltimore, Maryland – June 14, 2003 in Madison, Wisconsin) was an American professor of mathematics and computer science, the inventor of the Moore finite state machine, and an early pioneer of artificial life.
The state diagram for a Mealy machine associates an output value with each transition edge, in contrast to the state diagram for a Moore machine, which associates an output value with each state. When the input and output alphabet are both Σ , one can also associate to a Mealy automata a Helix directed graph [ clarification needed ] ( S × Σ ...
UML state machines have the characteristics of both Mealy machines and Moore machines. They support actions that depend on both the state of the system and the triggering event , as in Mealy machines, as well as entry and exit actions , which are associated with states rather than transitions, as in Moore machines.
I am actually most familiar with Moore machines from a context unrelated to electronic circuits, clocked or otherwise. There is a large literature on Moore machines representing strategies and playing games against one another. In particular, there are dozens of papers about Moore machines playing tournaments of repeated Prisoners' Dilemma.
Reactive synthesis (or temporal synthesis) is the field of computer science that studies automatic generation of state machines (e.g. Moore machines) from high-level specifications (e.g. formulas in linear temporal logic). "Reactivity" highlights the fact that the synthesized machine interacts with the user, reading an input and producing an ...
On a mealy machine there is an output for each transition from every state. And a Moore machine has an output for every state. So the equivalent Moore machine should have a state for each such transition. These transitions can be uniquely identified by exactly the Cartesian product described above.