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Author Tronci, Enrico pdf  doi
openurl 
  Title Automatic Synthesis of Control Software for an Industrial Automation Control System Type Conference Article
  Year 1999 Publication Proc.of: 14th IEEE International Conference on: Automated Software Engineering (ASE) Abbreviated Journal  
  Volume Issue Pages 247-250  
  Keywords  
  Abstract We present a case study on automatic synthesis of control software from formal specifications for an industrial automation control system. Our aim is to compare the effectiveness (i.e. design effort and controller quality) of automatic controller synthesis from closed loop formal specifications with that of manual controller design, followed by automatic verification. Our experimental results show that for industrial automation control systems, automatic synthesis is a viable and profitable (especially as far as design effort is concerned) alternative to manual design, followed by automatic verification.  
  Address (down)  
  Corporate Author Thesis  
  Publisher Place of Publication Cocoa Beach, Florida, USA Editor  
  Language Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN ISBN Medium  
  Area Expedition Conference  
  Notes Approved yes  
  Call Number Sapienza @ mari @ ase99 Serial 49  
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Author Tronci, Enrico pdf  doi
openurl 
  Title Formally Modeling a Metal Processing Plant and its Closed Loop Specifications Type Conference Article
  Year 1999 Publication 4th IEEE International Symposium on High-Assurance Systems Engineering (HASE) Abbreviated Journal  
  Volume Issue Pages 151  
  Keywords  
  Abstract We present a case study on automatic synthesis of control software from formal specifications for an industrial automation control system. Our aim is to compare the effectiveness (i.e. design effort and controller quality) of automatic controller synthesis from closed loop formal specifications with that of manual controller design followed by automatic verification. The system to be controlled (plant) models a metal processing facility near Karlsruhe. We succeeded in automatically generating C code implementing a (correct by construction) embedded controller for such a plant from closed loop formal specifications. Our experimental results show that for industrial automation control systems automatic synthesis is a viable and profitable (especially as far as design effort is concerned) alternative to manual design followed by automatic verification.  
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  Corporate Author Thesis  
  Publisher IEEE Computer Society Place of Publication Washington, D.C, USA Editor  
  Language Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 0-7695-0418-3 ISBN Medium  
  Area Expedition Conference  
  Notes Approved yes  
  Call Number Sapienza @ mari @ hase99 Serial 50  
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Author Fantechi, Alessandro; Gnesi, Stefania; Mazzanti, Franco; Pugliese, Rosario; Tronci, Enrico pdf  doi
openurl 
  Title A Symbolic Model Checker for ACTL Type Conference Article
  Year 1998 Publication International Workshop on Current Trends in Applied Formal Method (FM-Trends) Abbreviated Journal  
  Volume Issue Pages 228-242  
  Keywords  
  Abstract We present SAM, a symbolic model checker for ACTL, the action-based version of CTL. SAM relies on implicit representations of Labeled Transition Systems (LTSs), the semantic domain for ACTL formulae, and uses symbolic manipulation algorithms. SAM has been realized by translating (networks of) LTSs and, possibly recursive, ACTL formulae into BSP (Boolean Symbolic Programming), a programming language aiming at defining computations on boolean functions, and by using the BSP interpreter to carry out computations (i.e. verifications).  
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  Publisher Springer Place of Publication Boppard, Germany Editor Hutter, D.; Stephan, W.; Traverso, P.; Ullmann, M.  
  Language Summary Language Original Title  
  Series Editor Series Title Lecture Notes in Computer Science Abbreviated Series Title  
  Series Volume 1641 Series Issue Edition  
  ISSN 3-540-66462-9 ISBN Medium  
  Area Expedition Conference  
  Notes Approved yes  
  Call Number Sapienza @ mari @ fm-trends98 Serial 51  
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Author Tronci, Enrico pdf  doi
openurl 
  Title Automatic Synthesis of Controllers from Formal Specifications Type Conference Article
  Year 1998 Publication Proc of 2nd IEEE International Conference on Formal Engineering Methods (ICFEM) Abbreviated Journal  
  Volume Issue Pages 134-143  
  Keywords  
  Abstract Many safety critical reactive systems are indeed embedded control systems. Usually a control system can be partitioned into two main subsystems: a controller and a plant. Roughly speaking: the controller observes the state of the plant and sends commands (stimulus) to the plant to achieve predefined goals. We show that when the plant can be modeled as a deterministic finite state system (FSS) it is possible to effectively use formal methods to automatically synthesize the program implementing the controller from the plant model and the given formal specifications for the closed loop system (plant+controller). This guarantees that the controller program is correct by construction. To the best of our knowledge there is no previously published effective algorithm to extract executable code for the controller from closed loop formal specifications. We show practical usefulness of our techniques by giving experimental results on their use to synthesize C programs implementing optimal controllers (OCs) for plants with more than 109 states.  
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  Corporate Author Thesis  
  Publisher Place of Publication Brisbane, Queensland, Australia Editor  
  Language Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN ISBN Medium  
  Area Expedition Conference  
  Notes Approved yes  
  Call Number Sapienza @ mari @ icfem98 Serial 52  
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Author Pugliese, Rosario; Tronci, Enrico doi  openurl
  Title Automatic Verification of a Hydroelectric Power Plant Type Conference Article
  Year 1996 Publication Third International Symposium of Formal Methods Europe (FME), Co-Sponsored by IFIP WG 14.3 Abbreviated Journal  
  Volume Issue Pages 425-444  
  Keywords  
  Abstract We analyze the specification of a hydroelectric power plant by ENEL (the Italian Electric Company). Our goal is to show that for the specification of the plant (its control system in particular) some given properties hold. We were provided with an informal specification of the plant. From such informal specification we wrote a formal specification using the CCS/Meije process algebra formalism. We defined properties using μ-calculus. Automatic verification was carried out using model checking. This was done by translating our process algebra definitions (the model) and μ-calculus formulas into BDDs. In this paper we present the informal specification of the plant, its formal specification, some of the properties we verified and experimental results.  
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  Corporate Author Thesis  
  Publisher Springer Place of Publication Oxford, UK Editor Gaudel, M.-C.; Woodcock, J.  
  Language Summary Language Original Title  
  Series Editor Series Title Lecture Notes in Computer Science Abbreviated Series Title  
  Series Volume 1051 Series Issue Edition  
  ISSN 3-540-60973-3 ISBN Medium  
  Area Expedition Conference  
  Notes Approved yes  
  Call Number Sapienza @ mari @ fme96 Serial 53  
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Author Tronci, Enrico pdf  doi
openurl 
  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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  Area Expedition Conference  
  Notes Approved yes  
  Call Number Sapienza @ mari @ tcs96 Serial 54  
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Author Tronci, Enrico pdf  doi
openurl 
  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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  Publisher Place of Publication Editor  
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  Area Expedition Conference  
  Notes Approved yes  
  Call Number Sapienza @ mari @ tcs96a Serial 55  
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Author Tronci, Enrico pdf  doi
openurl 
  Title Equational Programming in lambda-calculus Type Conference Article
  Year 1991 Publication Sixth Annual IEEE Symposium on Logic in Computer Science (LICS) Abbreviated Journal  
  Volume Issue Pages 191-202  
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  Publisher IEEE Computer Society Place of Publication Amsterdam, The Netherlands Editor  
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  Notes Approved yes  
  Call Number Sapienza @ mari @ lics91 Serial 58  
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Author Bobbio, Andrea; Bologna, Sandro; Minichino, Michele; Ciancamerla, Ester; Incalcaterra, Piero; Kropp, Corrado; Tronci, Enrico pdf  url
openurl 
  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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  Corporate Author Thesis  
  Publisher Place of Publication Genova, Italy Editor  
  Language Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
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  ISSN ISBN Medium  
  Area Expedition Conference  
  Notes Approved yes  
  Call Number Sapienza @ mari @ tesec01 Serial 65  
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Author Intrigila, Benedetto; Salvo, Ivano; Sorgi, Stefano pdf  doi
openurl 
  Title A characterization of weakly Church-Rosser abstract reduction systems that are not Church-Rosser Type Journal Article
  Year 2001 Publication Information and Computation Abbreviated Journal  
  Volume 171 Issue 2 Pages 137-155  
  Keywords  
  Abstract Basic properties of rewriting systems can be stated in the framework of abstract reduction systems (ARS). Properties like confluence (or Church-Rosser, CR) and weak confluence (or weak Church-Rosser, WCR) and their relationships can be studied in this setting: as a matter of fact, well-known counterexamples to the implication WCR CR have been formulated as ARS. In this paper, starting from the observation that such counterexamples are structurally similar, we set out a graph-theoretic characterization of WCR ARS that is not CR in terms of a suitable class of reduction graphs, such that in every WCR not CR ARS, we can embed at least one element of this class. Moreover, we give a tighter characterization for a restricted class of ARS enjoying a suitable regularity condition. Finally, as a consequence of our approach, we prove some interesting results about ARS using the mathematical tools developed. In particular, we prove an extension of the Newman’s lemma and we find out conditions that, once assumed together with WCR property, ensure the unique normal form property. The Appendix treats two interesting examples, both generated by graph-rewriting rules, with specific combinatorial properties.  
  Address (down)  
  Corporate Author Thesis  
  Publisher Academic Press, Inc. Place of Publication Duluth, MN, USA Editor  
  Language Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 0890-5401 ISBN Medium  
  Area Expedition Conference  
  Notes Approved yes  
  Call Number Sapienza @ mari @ Intrigila-Salvo-Sorgi:01 Serial 68  
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