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Author Della Penna, Giuseppe; Intrigila, Benedetto; Magazzeni, Daniele; Melatti, Igor; Tronci, Enrico
Title CGMurphi: Automatic synthesis of numerical controllers for nonlinear hybrid systems Type Journal Article
Year 2013 Publication European Journal of Control Abbreviated Journal European Journal of Control
Volume 19 Issue 1 Pages 14-36
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Corporate Author Thesis
Publisher Elsevier North-Holland, Inc. Place of Publication Editor
Language Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 0947-3580 ISBN Medium
Area Expedition Conference
Notes Approved no
Call Number (down) Sapienza @ melatti @ Serial 114
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Author Mari, Federico; Melatti, Igor; Salvo, Ivano; Tronci, Enrico
Title Linear Constraints and Guarded Predicates as a Modeling Language for Discrete Time Hybrid Systems Type Journal Article
Year 2013 Publication International Journal on Advances in Software Abbreviated Journal Intern. Journal on Advances in SW
Volume vol. 6, nr 1&2 Issue Pages 155-169
Keywords Model-based software design; Linear predicates; Hybrid systems
Abstract Model based design is particularly appealing in
software based control systems (e.g., embedded
software) design, since in such a case system
level specifications are much easier to define
than the control software behavior itself. In
turn, model based design of embedded systems
requires modeling both continuous subsystems
(typically, the plant) as well as discrete
subsystems (the controller). This is typically
done using hybrid systems. Mixed Integer Linear
Programming (MILP) based abstraction techniques
have been successfully applied to automatically
synthesize correct-by-construction control
software for discrete time linear hybrid systems,
where plant dynamics is modeled as a linear
predicate over state, input, and next state
variables. Unfortunately, MILP solvers require
such linear predicates to be conjunctions of
linear constraints, which is not a natural way of
modeling hybrid systems. In this paper we show
that, under the hypothesis that each variable
ranges over a bounded interval, any linear
predicate built upon conjunction and disjunction
of linear constraints can be automatically
translated into an equivalent conjunctive
predicate. Since variable bounds play a key role
in this translation, our algorithm includes a
procedure to compute all implicit variable bounds
of the given linear predicate. Furthermore, we
show that a particular form of linear predicates,
namely guarded predicates, are a natural and
powerful language to succinctly model discrete
time linear hybrid systems dynamics. Finally, we
experimentally show the feasibility of our
approach on an important and challenging case
study taken from the literature, namely the
multi-input Buck DC-DC Converter. As an example,
the guarded predicate that models (with 57
constraints) a 6-inputs Buck DC-DC Converter is
translated in a conjunctive predicate (with 102
linear constraints) in about 40 minutes.
Address
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Publisher IARIA Place of Publication Editor Luigi Lavazza
Language Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 1942-2628 ISBN Medium
Area Expedition Conference
Notes Approved yes
Call Number (down) Sapienza @ melatti @ Serial 115
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Author Verzino Giovanni ; Cavaliere, Federico; Mari, Federico; Melatti, Igor; Minei, Giovanni; Salvo, Ivano; Yushtein, Yuri; Tronci, Enrico
Title Model checking driven simulation of sat procedures Type Conference Article
Year 2012 Publication Proceedings of 12th International Conference on Space Operations (SpaceOps 2012) Abbreviated Journal International Conference on Space Operations
Volume Issue Pages
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Notes Approved no
Call Number (down) Sapienza @ melatti @ Serial 117
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Author Mancini, Toni ; Mari, Federico ; Massini, Annalisa; Melatti, Igor; Tronci, Enrico
Title System Level Formal Verification via Distributed Multi-Core Hardware in the Loop Simulation Type Conference Article
Year 2014 Publication Proc. of the 22nd Euromicro International Conference on Parallel, Distributed and Network-Based Processing Abbreviated Journal Euromicro International Conference on Parallel, Distributed and Network-Based Processing
Volume Issue Pages
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Publisher IEEE Computer Society Place of Publication Editor
Language Summary Language Original Title
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ISSN ISBN Medium
Area Expedition Conference
Notes Approved no
Call Number (down) Sapienza @ melatti @ Serial 118
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Author Tronci, E.; Mancini, T.; Mari, F.; Melatti, I.; Salvo, I.; Prodanovic, M.; Gruber, J. K.; Hayes, B.; Elmegaard, L.
Title Demand-Aware Price Policy Synthesis and Verification Services for Smart Grids Type Conference Article
Year 2014 Publication Proceedings of Smart Grid Communications (SmartGridComm), 2014 IEEE International Conference On Abbreviated Journal
Volume Issue Pages
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Notes Approved no
Call Number (down) Sapienza @ melatti @ Serial 121
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Author Cesta, Amedeo; Finzi, Alberto; Fratini, Simone; Orlandini, Andrea; Tronci, Enrico
Title Verifying Flexible Timeline-based Plans Type Conference Article
Year 2009 Publication E-Proc. of ICAPS Workshop on Validation and Verification of Planning and Scheduling Systems Abbreviated Journal
Volume Issue Pages
Keywords
Abstract The synthesis of flexible temporal plans has demonstrated wide applications possibilities in heterogeneous domains. We are currently studying the connection between plan generation and execution from the particular perspective of verifying a flexible plan before actual execution. This paper explores how a model-checking verification tool, based on UPPAAL-TIGA, is suitable for verifying flexible temporal plans. We first describe the formal model, the formalism, and the verification method. Furthermore we discuss our own approach and some preliminary empirical results using a real-world case study.
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Notes Approved yes
Call Number (down) Sapienza @ mari @ Vvps09 Serial 23
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Author Bobbio, Andrea; Bologna, Sandro; Minichino, Michele; Ciancamerla, Ester; Incalcaterra, Piero; Kropp, Corrado; Tronci, Enrico
Title Advanced techniques for safety analysis applied to the gas turbine control system of Icaro co generative plant Type Conference Article
Year 2001 Publication X Convegno Tecnologie e Sistemi Energetici Complessi Abbreviated Journal
Volume Issue Pages 339-350
Keywords
Abstract The paper describes two complementary and integrable approaches, a probabilistic one and a deterministic one, based on classic and advanced modelling techniques for safety analysis of complex computer based systems. The probabilistic approach is based on classical and innovative probabilistic analysis methods. The deterministic approach is based on formal verification methods. Such approaches are applied to the gas turbine control system of ICARO co generative plant, in operation at ENEA CR Casaccia. The main difference between the two approaches, behind the underlining different theories, is that the probabilistic one addresses the control system by itself, as the set of sensors, processing units and actuators, while the deterministic one also includes the behaviour of the equipment under control which interacts with the control system. The final aim of the research, documented in this paper, is to explore an innovative method which put the probabilistic and deterministic approaches in a strong relation to overcome the drawbacks of their isolated, selective and fragmented use which can lead to inconsistencies in the evaluation results.
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Publisher Place of Publication Genova, Italy Editor
Language Summary Language Original Title
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Notes Approved yes
Call Number (down) Sapienza @ mari @ tesec01 Serial 65
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Author Tronci, Enrico
Title Equational Programming in Lambda-Calculus via SL-Systems. Part 2 Type Journal Article
Year 1996 Publication Theoretical Computer Science Abbreviated Journal
Volume 160 Issue 1&2 Pages 185-216
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Notes Approved yes
Call Number (down) Sapienza @ mari @ tcs96a Serial 55
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Author Tronci, Enrico
Title Equational Programming in Lambda-Calculus via SL-Systems. Part 1 Type Journal Article
Year 1996 Publication Theoretical Computer Science Abbreviated Journal
Volume 160 Issue 1&2 Pages 145-184
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Notes Approved yes
Call Number (down) Sapienza @ mari @ tcs96 Serial 54
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Author Tronci, Enrico
Title Introductory Paper Type Journal Article
Year 2006 Publication Sttt Abbreviated Journal
Volume 8 Issue 4-5 Pages 355-358
Keywords
Abstract In today’s competitive market designing of digital systems (hardware as well as software) faces tremendous challenges. In fact, notwithstanding an ever decreasing project budget, time to market and product lifetime, designers are faced with an ever increasing system complexity and customer expected quality. The above situation calls for better and better formal verification techniques at all steps of the design flow. This special issue is devoted to publishing revised versions of contributions first presented at the 12th Advanced Research Working Conference on Correct Hardware Design and Verification Methods (CHARME) held 21–24 October 2003 in L’Aquila, Italy. Authors of well regarded papers from CHARME’03 were invited to submit to this special issue. All papers included here have been suitably extended and have undergone an independent round of reviewing.
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Notes Approved yes
Call Number (down) Sapienza @ mari @ sttt06 Serial 30
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