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Topic: Virtual finite state machine

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Finite state machine

Event driven finite state machine

State diagram

Pushdown automaton

AT and T FSM Library

FSA Utilities

Finite state machine

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	Virtual finite state machine - Wikipedia, the free encyclopedia
		VFSM is a software specification method used to describe the behaviour of a control system using assigned names of input control properties and of output actions.
		The behaviour specification is built by a state table which describes all details of a single state of the VFSM.
		The VFSM executor is triggered by VI and the current state of the VFSM.
	en.wikipedia.org /wiki/Virtual_finite_state_machine (788 words)

	state driven agent design 1
		Finite state machines, or FSMs as they are usually referred to, have for many years been the AI coder’s instrument of choice to imbue a game agent with the illusion of intelligence.
		A finite state machine is a device, or a model of a device, which has a finite number of states it can be in at any given time and can operate on input to either make transitions from one state to another or to cause an output or action to take place.
		There is no output or action associated with the off state (unless you consider the bulb being off as an action), but when it is in the on state electricity is allowed to flow through the switch and light up your room via the filament in a lightbulb.
	www.ai-junkie.com /architecture/state_driven/tut_state1.html (2101 words)

	Finite State Machines (Site not responding. Last check: 2007-10-13)
		The finite state machine is often abbreviated fsm; however, some texts use the term finite state automatan, or fsa.
		An fsm is a virtual device that manipulates a candidate string, one character at a time, and determines whether that string is in the language implemented by the machine.
		Some states are designated "final" states, and strings that leave the fsm in one of these final states are, by definition, in the language.
	www.mathreference.com /lan,fsm.html (457 words)

	On implementing a Finite State Machine framework (Site not responding. Last check: 2007-10-13)
		Signals are a pitfall in the state machine implementation, because they are trivial to implement in a small-scale state machine, but bring in several problems in a large scale extendable state machine.
		If a state machine has 100 agents as concurrent substates, agent X should be able to send signal S within the scope of the agent; the signal should not reach agent Y. You should be able to broadcast a signal from outside the state machine.
		Since their spanning state is the root state of the state machine, the level of these transitions is 0.
	www.dossier-andreas.net /on_fsm/on_fsm.html (5965 words)

	Finite state machine - Wikipedia, the free encyclopedia
		A finite state machine (FSM) or finite state automaton (plural: automata) is a model of behavior composed of states, transitions and actions.
		In addition to their use in modeling reactive systems presented here, finite state automata are significant in many different areas, including electrical engineering, linguistics, computer science, philosophy, biology, mathematics, and logic.
		Finite state machines are a class of automata studied in automata theory and the theory of computation.
	en.wikipedia.org /wiki/Finite_state_machine (2011 words)

	Gamasutra - Features - "Visual Finite State Machine AI Systems" - printer friendly
		A visual state machine system is a solution to designer-created AI problems that I've had in the past.
		The table should be a 2D array that is an equivalent model of the state machine and is suitable for processing in code.
		The State structure is composed of two arrays: an array of possible transitions to other states and an array of actions to take upon state entry.
	www.gamasutra.com /features/20041118/gill_pfv.htm (2129 words)

	Dr. Dobb's \| A Finite State Machine Framework \| March 1, 2004 (Site not responding. Last check: 2007-10-13)
		The drawback to this approach is that as the state machine grows, so does the logic — and in C++ this is not an attractive approach to true object-oriented development.
		Since state machines are applied in situations where control dictates the operation of a piece of software, it would seem best to hide T behind the state machine.
		State machines are invoked on a first-come/first-served basis, so entry into it should be handled in a critical section.
	www.ddj.com /184401784?pgno=1 (2833 words)

	May 2000/State Machine Design in C++ (Site not responding. Last check: 2007-10-13)
		State machines break down the design into a series of steps, or what are called states in state-machine lingo.
		In short, using a state machine captures and enforces complex interactions which might otherwise be difficult to convey and implement.
		Every state machine has the concept of a "current state." This is the state the state machine currently occupies.
	www.tcnj.edu /~hernande/cujv5/html/18.05/lafrenie/lafrenie.htm (3340 words)

	State Machine Inheritance and Advanced Object Oriented State Machine Design
		We have already seen how the traditional state machine can be transformed into a hierarchical state machine by defining a base state and inheriting from it.
		Here, the state sequencing is completely defined by the base class, the inheriting classes merely refine the methods invoked in that state machine.
		The main objective of overriding the states is to enhance functionality of the state.
	www.eventhelix.com /RealtimeMantra/StateMachineInheritance.htm (868 words)

	HW5 - Virtual Pests, Part I (Site not responding. Last check: 2007-10-13)
		The most popular toy to hit the scene a few years ago was the "virtual pet" - an electronic toy that simulated pet behavior (displayed on a screen) and allowed its "owner" to respond to various types of behavior by performing actions (generally "pushing buttons").
		The virtual pets available commercially generally have very many states and there are many ways in which their owners can interact with them.
		Print out a written description of your virtual pest's behavior, which describes each of the possible values of the text boxes and each of the possible actions performed when the buttons are clicked.
	www.mcs.drexel.edu /~introcs/F99/assignments/VPests1 (1067 words)

	Building 3D Virtual Environments Class Syllabus
		Recent advances in real-time 3D technologies are allowing fully interactive virtual environments (VEs) to be created and displayed on common desktop and home gaming computers, instead of the expensive research machines of years past.
		As it becomes feasible for artists and designers to create these rich virtual environments, they need to be aware of both practical and aesthetic issues unique to interactive virtual worlds.
		The many reasons and methods for creating virtual spaces will be discussed, as well as their implications.
	accad.osu.edu /~mlewis/VRML/Class/syl.html (661 words)

	FSMGenerator - Finite State Machine generating software.
		By definition the state of the program at every execution step is an overall value situated in the memory allocated to the process.
		I.e.: If the machine was in the state and the event would have been occurred, the machine would move into the next state.
		In transition definition the states and event appearing in the (State, Event) pair and resulting State, MUST be defined previously.
	fsmgenerator.sourceforge.net (2731 words)

	Virtual Turing Machine
		Conceptually, a Turing Machine has a finite set of states, a finite alphabet (that has a blank symbol), and a finite set of instructions.
		The initial state field is just the name of the state that the machine should start out in.
		States are case sensitive, so 'foo' and 'Foo' are two different states.
	www.nmia.com /~soki/turing (729 words)

	Creating C++ Scripts to Generate Finite State Machine Code
		Based upon the value of the current state, the value of the event, and the true/false status of the condition, the process function determines the value of the next state and executes the action.
		The fourth way to code finite state logic in C++ is to create a superstate base class with a virtual function for each event and substate derived classes with a virtual function for each appropriate event.
		The virtual function evaluates the true/false status of the condition, determines the pointer value of the next state, executes the action, and return the pointer to the next state.
	www.microgold.com /Stage/WithClassTutorial/WCTutP4S19.htm (1441 words)

	Event-driven finite state machine - Wikipedia, the free encyclopedia (via CobWeb/3.1 planetlab2.cs.virginia.edu) (Site not responding. Last check: 2007-10-13)
		A finite state machine (FSM) is event-driven if the creator of the FSM intends to think of the machine as consuming events or messages.
		This is a common and useful idiom, though not as precisely defined and theoretically-grounded as the application of finite state machines to parsing.
		In contrast to the StateCHART virtual finite state machine (VFSM) technology, the application of event driven FSM in complex systems leads to the state explosion problem, as each truly required state path must be repeated for all possible input values.
	en.wikipedia.org.cob-web.org:8888 /wiki/Event_driven_finite_state_machine (353 words)

	Software development process - Free net encyclopedia
		They state requirements, analyze them, design a solution approach, architect a software framework for that solution, develop code, test (perhaps unit tests then system tests), deploy, and maintain.
		More generally, automata theory can be used to build up and validate application behaviour by designing a system of finite state machines.
		Finite state machine (FSM) based methodologies allow executable software specification and by-passing of conventional coding (see virtual finite state machine or event driven finite state machine).
	www.netipedia.com /index.php/Software_development (1597 words)

	[No title]
		Both of the state transition diagrams found in the tutorial somewhat differ from the RFC 2543, and the difference in the titles of the above-mentioned drawings is most significant.
		States are the distinctive "points in processing" where the processing may be stopped on one server and continued on another server.
		If, on the other hand, one were to allow for different/multiple distinct State Models for use in the IP Telephony domain, every call processing entity involved in a particular call would be required to support a "call state model validation phase".
	www.ietf.org /proceedings/00jul/I-D/draft-dobrowolski-call-model-00.txt (2317 words)

	Virtual Turing Machine 2.02 (Site not responding. Last check: 2007-10-13)
		A Turing machine is theoretical computer consisting of a finite set of internal states, a finite alphabet that includes a blank symbol, and a finite set of instructions.
		The inital state is the current internal state of the machine.
		The Turing machine will start at the leftmost non-blank cell on the tape (if there are no non-blank cells in the tape, the VTM will start in the middle of the tape).
	infohost.nmt.edu /~prcm/turing (754 words)

	Use this Java framework for finite state machines
		The method to call for a state and request ID combination is identified by name, as a string, and must be a member of the servlet class.
		After extracting the machine’s previous state from the session, _dispatch attempts to match the request ID and state with a method name.
		Since so many state and request combinations shouldn’t occur in normal use and represent errors (therefore mapping to the same “reset” action), this behavior greatly simplifies your application.
	articles.techrepublic.com.com /5100-22_11-1049528-2.html (985 words)

	freshmeat.net: Project details for Ragel State Machine Compiler (Site not responding. Last check: 2007-10-13)
		Ragel compiles finite state machines from regular languages into C, C++, Objective-C, or D code.
		It allows the programmer to embed actions at any point in a regular language, and to control non-determinism in the resulting machines.
		It also supports the construction of scanners and the building of state machines using state charts.
	freshmeat.net /projects/ragel (178 words)

	JARS.COM - The #1 Java Review Service - Another Finite State Machine Simulator
		Another Finite State Machine Simulator java application is a tool designed to aid students in learning how FSM and NFA work.
		The students create a description of a FSM in a textfile which is read by the program.
		Examples of FSM and DFA machines based on Hopcroft and Ullman's text are included.
	www.jars.com /science/computers/resource.php/9881 (360 words)

	Mark Staskauskas (Site not responding. Last check: 2007-10-13)
		I have been working with a group of Lucent software developers who are introducing the Virtual Finite State Machine (VFSM) methodology in several software projects for Lucent's No.
		I have developed a VFSM validation tool that checks for errors by attempting to explore all possible execution scenarios of a network of communicating VFSMs.
		Nearly 30 Lucent developers have used the tool, representing one of the first widespread applications of validation technology in industry.
	cm.bell-labs.com /cm/ss/who/markstas/index.html (193 words)

	Table of contents for Modeling software with finite state machines
		Table of contents for Modeling software with finite state machines : a practical approach / Ferdinand Wagner...
		Note: Contents data are machine generated based on pre-publication provided by the publisher.
		Contents may have variations from the printed book or be incomplete or contain other coding.
	www.loc.gov /catdir/toc/ecip065/2005035224.html (331 words)

	Mathematics WWW Virtual Library [FSU Math]
		This collection of Mathematics-related resources is maintained by the Florida State University Department of Mathematics as a free service to the online community.
		C++ Simulators of Turing and Post Machines The C++ programs simulate: * Nondeterministic/Deterministic Multitape Turing Machine; * Nondeterministic/Deterministic Multitape Post Machines; * Universal Turing Machine; * Turing Machine with faults, failures and recovery.
		The package is written in C, it's also usable from C++ and includes double and single precision LM implementations, both with analytic and finite difference approximated jacobians.
	www.math.fsu.edu /Virtual/index.php?f=21 (1985 words)

	Gamasutra - Features - "Visual Finite State Machine AI Systems"
		Gamasutra - Features - "Visual Finite State Machine AI Systems"
		Note: Discussion forums for Gamasutra are hosted by the IGDA, which is free to join.
		XML data conversion, the driving idea behind this system, builds upon and extends functionality of current software and thus requires less training, less engineering, less support, and as a result, is a far more cost-effective tool solution.
	www.gamasutra.com /features/20041118/gill_01.shtml (2170 words)

	Abstract State Machines: Title Index
		"An Abstract State Machine Specification and Verification of the Location Consistency Memory Model and Cache Protocol"
		"Definition of a Parallel Execution Model with Abstract State Machines".
		"Stepwise Refinement of an Abstract State Machine for WHNF-Reduction of lambda-Terms"
	www.eecs.umich.edu /gasm/titleindex.html (1296 words)

	Glenn Bruns' Home Page (Site not responding. Last check: 2007-10-13)
		It was used successfully in a Lucent development project.
		The validator is a tool for model checking and reachability analysis that is used to discover errors in designs written using the Virtual Finite State Machine (VFSM) notation.
		My PhD thesis, Process Abstraction in the Verification of Temporal Properties, is available electronically as report ECS-LFCS-98-380 from the LFCS reports site.
	cm.bell-labs.com /cm/cs/who/grb (277 words)

	SOCcentral: Fiesta CSMT Finite State Machine Editor (Comit Systems, Inc. 5786)
		SOCcentral: Fiesta CSMT Finite State Machine Editor (Comit Systems, Inc. 5786)
		Fiesta CSMT is a graphical editor for finite state machines.
		This tool saves time by allowing rapid and easy definition of state machines and automatically generating Verilog code and documentation.
	www.soccentral.com /results.asp?entryID=5786 (120 words)

	JARS.COM - The #1 Java Review Service - Finite State Machine Package
		This package allows users to specify finite state machines and their assembly in applications.
		The package incorporates facilities to generate state machine components and their controllers from the specifications.
		For more information, please see: 'A Hybrid State Machine Notation for Component Specification', SIGPLAN Notices, April 2000; 'State Machine Specification Directly in Java and C++', OOPSLA 2000 Companion.
	www.jars.com /utilities/libraries/resource.php/20565 (431 words)

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