Preliminary programme WODES 2000


Monday August 21, 2000

9h00-9h15 Opening
9h15-10h15 Plenary Lecture: "Discrete-Event Modeling and Design of Embedded Software " (E. Lee, UC Berkeley) abstract
10h45-12h00 MA1: Automata theory
Coalgebra, Concurrency, and Control
J.J.M.M. Rutten
Symbolic Abstractions of Automata
S. Pinchinat and H. Marchand
Efficient Computation and Representation of Large Reachability Sets for Composed Automata
P. Buchholz and P. Kemper
10h45-12h25 MA2: Max,+ theory I
Heaps of pieces with a continuum of resources
R.J. van Egmond
Eigenvalues of interconnected bipartite (min,max,+)-systems
Subiono and J. van der Woude
A (max,+) approach for time in Message Sequence Charts
P. Le Maigat and L. Helouet
Analysis of periodic Discrete Event Systems in (max,+) algebra
S. Lahaye, J.L. Boimond and L. Hardouin
12h25-14h00 Lunch
14h00-15h40 MP1: Supervisory control I
Modular supervisory control of large scale discrete event systems
M.H. de Queiroz and J.E.R. Cury
A General Architecture for Decentralized Supervisory Control of Discrete-Event Systems
T. Yoo and S. Lafortune
Reduced supervisors for timed discrete-event systems
P. Gohari and W.M. Wonham
Synthesis of Reliable Decentralized Supervisors for Discrete Event Systems
S. Takai and T. Ushio
14h00-15h40 Minicourse: Hybrid Dynamical Systems: Modeling and Optimal Control - Part I (C. Cassandras and Y. Wardi) abstract
16h10-18h15 MP2: Control of Petri nets I
An Iterative Method for Deadlock Prevention in FMS
F. Tricas, J.M. Colom and J. Ezpeleta
Avoiding Deadlocks in Flexible Manufacturing Systems
M. Seidl and G. Schmidt
On Partially Controlled Free Choice Petri Nets
R.S. Sreenivas
Closed-Loop live Petri Net Supervisors for Generalized Mutual Exclusion Constraints
F. Basile, L. Recalde, P. Chiacchio and M. Silva
Selecting the optimal deadlock resolution strategy in buffer space allocation of flexibly automated production systems: an analytic perspective
S.A. Reveliotis
16h10-18h15 Minicourse: Sensitivity Analysis for Gradient Estimation of DES Performance Measures - Part I (F. Vázquez-Abad) abstract

Tuesday August 22, 2000

8h30-9h45 Tools session
10h15-11h30 TA1: Petri net theory
Structurally safe net systems
F. Garcia-Valles, F. Tricas, J. Ezpeleta and J.M. Colom
Modelling and Analyzing Systems with Recursive Petri Nets
S. Haddad and D. Poitrenaud
Prioritised Synchronous Composition of Petri Nets
A. Hellgren, M. Fabian and B. Lennartson
10h15-11h30 TA2: Max,+ theory II
The power algorithm and the Howard algorithm in the (max,+) semiring
G. Soto y Koelemeijer
Model predictive control for max-min-plus systems
B. De Schutter and T. van den Boom
Optimal token allocation in timed cyclic event-graphs
A. Giua, A. Piccaluga and C. Seatzu
11h35-12h35 Plenary Lecture: "Networking Applications of Discrete Event Systems" (A. Deshpande, Teja Technologies) abstract
12h35-14h05 Lunch
14h05-15h45 TP1: Scheduling and optimisation
A Two Phase Optimisation Strategy for DEDS: Application to a Manufacturing System
A. Zimmerman, D. Rodriguez and M. Silva
Optimal Resource Allocation in Blending Production Systems: A Genetic Algorithm Solution
Z. Liu and B.J. McCarragher
Off-Line Computation of Real-Time Schedules by Means of Petri nets
E. Grolleau and A. Choquet-Geniet
m-Balanced Sequences and Their Applications to Some Network Scheduling Problems
S. Sano and N. Miyoshi
14h05-15h45 Minicourse: Hybrid Dynamical Systems: Modeling and Optimal Control - Part II (C. Cassandras and Y. Wardi) abstract
16h15-17h55 TP2: Supervisory control II
State Observer Synthesis for a Class of Condition Systems
Y. Gong and L.E. Holloway
Separability of Predicates and Languages in Large-Scale Discrete Event Systems
S. Takai, T. Ushio and Y. Furukawa
A General Control Switching Framework for Supervisory Control of Discrete Event Systems
H. Darabi and M.A. Jafari
Fair Control of omega-Automata
H. Yen
16h15-18h00 Minicourse: Sensitivity Analysis for Gradient Estimation of DES Performance Measures - Part II (F. Vázquez-Abad) abstract

Wednesday August 23, 2000

8h30-9h45 WA1: Control of Petri nets II
Supervisory Control in Discrete Event Systems Using the Theory of Regions
N. Rezg, X. Xie and A. Ghaffari
Linear and integer programmes in supervisory control of Petri nets
G. Stremersch
Synthesis of admissible behavior of Petri nets for partially ordered specifications
A. Luder and H.M. Hanisch
8h30-9h45 WA2: Formal Models and Methods for PLCs I (special session)
A Classification of PLC Models and Applications
A. Mader
Formal Verification of the Sequential Part of PLC pograms
S. Lamperiere-Couffin, J.-J. Lesage
An Abstract Model for SFCs
S. Bornot, R. Huuck, Y. Lakhnech and B. Lukoschus
10h05-11h20 WA3: Stochastic systems
Safety Control of Completely Observed Markov Chains
A. Arapostathis, R. Kumar and S. Tangirala
Singularly perturbed Markov chains with general structure
K.E. Avrachenkov
Weak Differentation and Gradient Estimation for Discrete Event Driven Processes
B. Heidergott and F.J. Vázquez-Abad
10h05-11h20 WA4: Formal Models and Methods for PLCs II (special session)
Modeling, Analysis, and Implementation of Logic Controllers for Machining Systems using Petri Nets and SFC
E. Park, D.M. Tilbury and P.P. Khargonekar
Time-related Modelling of PLC Systems with Time-less Petri Nets
M. Heiner and T. Menzel
Verification of IL Programs with a Detailed Model of their PLC Execution
H. Treseler, N. Bauer and S. Kowalewski
11h30-12h30 Plenary Lecture: "VALID Tool set: Validation of Software Applications" (B. Brandin, Siemens) abstract
12h30-14h00 Lunch
14h00-14h50 WP1: Timed Discrete Event Systems
A limit semantics for timed Petri nets
B. Gaujal and S. Haar
Verification of a Hybrid Model of a Manufacturing System using Rectangular Petri Nets
B. Bordbar, L. Giacomini and D.J. Holding
14h00-15h15 WP2: Applications
Detection of the main failure in complex critical systems
E. Gregoire and D. Ansart
Transitory control in scheduling of Cyclic Job Shop
A.B. Noronha and R. Santos-Mendes
An architecture of a Petri net based event-driven controller
S. Bulach, A. Brauchle, H.-J. Pfeiderer and Z. Kucerovsky
15h20-16h30 Closing discussion
16h30 Coffee