AES+L4.+Extended+State+machine+and+timed+automata

AES+L4.+Extended+State+machine+and+timed+automata - Lecture...

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Lecture 4. Extended FSM and Timed Automata,(Lee, L10, Ch3, Ch4) Hyungshin Kim Professor, Dept. of Computer Science and Engineering
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2015 Fall, Advanced Embedded System 2 Week Date Subject Paper TextBook 1 8 28 Intro Lee, Ch.1 2 9 4 Modeling Dynamic Behavior - FSM Lee, Ch.2, Ch.3 3 9 11 Modeling Discrete Behavior - Extending FSM SPIN, LabView Lee, Ch.3, Ch.4 4 9 18 Thanksgiving 5 9 25 Modeling Hybrid System - Timed Automata FSM, Ptolemy II HW.1 Due 6 10 2 Design 1 – HW Petri Net, TTA 7 10 9 한글날 (12 4 보강 ) 8 10 16 Design 2 – SW1 Discrete Event 9 10 23 Midterm 10 10 30 Design 3 – SW2 Real time logic 11 11 6 Analysis 1 model checking 12 11 13 Analysis 2 WCET1, 2 13 11 20 Analysis 3 Stack size analysis 14 11 27 Optimization Energy analysis 15 12 4 Final Exam 16 12 11 Wrap
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Questions: How to represent the system for: Systematic analysis So that a computer program can manipulate it How to model its environment How to compose subsystems to make bigger systems How to check whether the system satisfies its specification in its operating environment 2015 Fall, Advanced Embedded System 3
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2015 Fall, Advanced Embedded System 4
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FSMs becomes awkward when the number of states gets large An extended state machine solves this problem by augmenting the FSM model with variables that may be read and written as part of taking a transition between states 2015 Fall, Advanced Embedded System 7
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Garage counter 2015 Fall, Advanced Embedded System 8 Question: What is the size of the state space?
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We make explicit declarations of variables, inputs, and outputs to help distinguish the three 2015 Fall, Advanced Embedded System 9
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