Re: Model time delay in finit state machine



In article <ehlau2$1ku$1@xxxxxxxxxxxxxxxxx>,
"Peter Wing Larsen" <peterwing@xxxxxxx> wrote:

Hi,

I am trying to model a finit state machine (or more precisely a finit state
acceptor) which reaches it's goal state if it recieves a specific
combination of 4 digits after each other. Meanwhile after a fixed time
interval the fsm resets to the initial state.

Is there any smart way to model this?

I don't know if this qualifies as smart, but one thing to do is have an
additional input token that represents time-has-elapsed. Then every
state would transition to the initial state given this input.

A more complex version is to have a "tick" input token that is defined
to occur say every second. Then you reset after N ticks.

Thanks in advance

HTH.
.



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