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Author Della Penna, Giuseppe; Magazzeni, Daniele; Tofani, Alberto; Intrigila, Benedetto; Melatti, Igor; Tronci, Enrico
Title Automated Generation Of Optimal Controllers Through Model Checking Techniques Type Book Chapter
Year 2008 Publication Informatics in Control Automation and Robotics. Selected Papers from ICINCO 2006 Abbreviated Journal
Volume (up) Issue Pages 107-119
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Publisher Springer Place of Publication Editor
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Notes Approved yes
Call Number Sapienza @ mari @ Dmtmt08 Serial 26
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Author Della Penna, Giuseppe; Tofani, Alberto; Pecorari, Marcello; Raparelli, Orazio; Intrigila, Benedetto; Melatti, Igor; Tronci, Enrico
Title A Case Study on Automated Generation of Integration Tests Type Conference Article
Year 2006 Publication Fdl Abbreviated Journal
Volume (up) Issue Pages 278-284
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Publisher Ecsi Place of Publication Editor
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Series Editor Series Title Abbreviated Series Title
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ISSN 978-3-00-019710-9 ISBN Medium
Area Expedition Conference
Notes Approved yes
Call Number Sapienza @ mari @ Dtprimt06 Serial 27
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Author Bartolini, Novella; Tronci, Enrico
Title On Optimizing Service Availability of an Internet Based Architecture for Infrastructure Protection Type Conference Article
Year 2006 Publication Cnip Abbreviated Journal
Volume (up) Issue Pages
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Notes Approved yes
Call Number Sapienza @ mari @ Bt06 Serial 28
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Author Cecconi, Michele; Tronci, Enrico
Title Requirements Formalization and Validation for a Telecommunication Equipment Protection Switcher Type Conference Article
Year 2000 Publication Hase Abbreviated Journal
Volume (up) Issue Pages
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Publisher IEEE Computer Society Place of Publication Editor
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ISSN 0-7695-0927-4 ISBN Medium
Area Expedition Conference
Notes Approved yes
Call Number Sapienza @ mari @ CeTro00 Serial 29
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Author Cesta, Amedeo; Finzi, Alberto; Fratini, Simone; Orlandini, Andrea; Tronci, Enrico
Title Merging Planning, Scheduling & Verification – A Preliminary Analysis Type Conference Article
Year 2008 Publication In Proc. of 10th ESA Workshop on Advanced Space Technologies for Robotics and Automation (ASTRA) Abbreviated Journal
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Notes Approved yes
Call Number Sapienza @ mari @ Astra08 Serial 24
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Author Cesta, Amedeo; Finzi, Alberto; Fratini, Simone; Orlandini, Andrea; Tronci, Enrico
Title Validation and Verification Issues in a Timeline-based Planning System Type Conference Article
Year 2008 Publication In E-Proc. of ICAPS Workshop on Knowledge Engineering for Planning and Scheduling Abbreviated Journal
Volume (up) Issue Pages
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Abstract One of the key points to take into account to foster effective introduction of AI planning and scheduling systems in real world is to develop end user trust in the related technologies. Automated planning and scheduling systems often brings solutions to the users which are neither “obvious†nor immediately acceptable for them. This is due to the ability of these tools to take into account quite an amount of temporal and causal constraints and to employ resolution processes often designed to optimize the solution with respect to non trivial evaluation functions. To increase technology trust, the study of tools for verifying and validating plans and schedules produced by AI systems might be instrumental. In general, validation and verification techniques represent a needed complementary technology in developing domain independent architectures for automated problem solving. This paper presents a preliminary report of the issues concerned with the use of two software tools for formal verification of finite state systems to the validation of the solutions produced by MrSPOCK, a recent effort for building a timeline based planning tool in an ESA project.
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Notes Approved yes
Call Number Sapienza @ mari @ Keps08 Serial 25
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Author Cavaliere, Federico; Mari, Federico; Melatti, Igor; Minei, Giovanni; Salvo, Ivano; Tronci, Enrico; Verzino, Giovanni; Yushtein, Yuri
Title Model Checking Satellite Operational Procedures Type Conference Article
Year 2011 Publication DAta Systems In Aerospace (DASIA), Org. EuroSpace, Canadian Space Agency, CNES, ESA, EUMETSAT. San Anton, Malta, EuroSpace. Abbreviated Journal
Volume (up) Issue Pages
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Abstract We present a model checking approach for the automatic verification of satellite operational procedures (OPs). Building a model for a complex system as a satellite is a hard task. We overcome this obstruction by using a suitable simulator (SIMSAT) for the satellite. Our approach aims at improving OP quality assurance by automatic exhaustive exploration of all possible simulation scenarios. Moreover, our solution decreases OP verification costs by using a model checker (CMurphi) to automatically drive the simulator. We model OPs as user-executed programs observing the simulator telemetries and sending telecommands to the simulator. In order to assess feasibility of our approach we present experimental results on a simple meaningful scenario. Our results show that we can save up to 90% of verification time.
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Call Number Sapienza @ mari @ Dasia11 Serial 13
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Author Mari, Federico; Melatti, Igor; Salvo, Ivano; Tronci, Enrico
Title From Boolean Relations to Control Software Type Conference Article
Year 2011 Publication Proceedings of ICSEA 2011, The Sixth International Conference on Software Engineering Advances Abbreviated Journal
Volume (up) Issue Pages 528-533
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Abstract Many software as well digital hardware automatic synthesis methods define the set of implementations meeting the given system specifications with a boolean relation K. In such a context a fundamental step in the software (hardware) synthesis process is finding effective solutions to the functional equation defined by K. This entails finding a (set of) boolean function(s) F (typically represented using OBDDs, Ordered Binary Decision Diagrams) such that: 1) for all x for which K is satisfiable, K(x, F(x)) = 1 holds; 2) the implementation of F is efficient with respect to given implementation parameters such as code size or execution time. While this problem has been widely studied in digital hardware synthesis, little has been done in a software synthesis context. Unfortunately the approaches developed for hardware synthesis cannot be directly used in a software context. This motivates investigation of effective methods to solve the above problem when F has to be implemented with software. In this paper we present an algorithm that, from an OBDD representation for K, generates a C code implementation for F that has the same size as the OBDD for F and a WCET (Worst Case Execution Time) linear in nr, being n = |x| the number of input arguments for functions in F and r the number of functions in F.
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Publisher ThinkMind Place of Publication Editor
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Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 978-1-61208-165-6 ISBN Medium
Area Expedition Conference
Notes Best Paper Award Approved yes
Call Number Sapienza @ mari @ icsea11 Serial 14
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Author Mari, Federico; Melatti, Igor; Salvo, Ivano; Tronci, Enrico
Title Synthesis of Quantized Feedback Control Software for Discrete Time Linear Hybrid Systems Type Conference Article
Year 2010 Publication Computer Aided Verification Abbreviated Journal
Volume (up) Issue Pages 180-195
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Abstract We present an algorithm that given a Discrete Time Linear Hybrid System returns a correct-by-construction software implementation K for a (near time optimal) robust quantized feedback controller for along with the set of states on which K is guaranteed to work correctly (controllable region). Furthermore, K has a Worst Case Execution Time linear in the number of bits of the quantization schema.
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Publisher Springer Berlin / Heidelberg Place of Publication Editor Touili, T.; Cook, B.; Jackson, P.
Language Summary Language Original Title
Series Editor Series Title Lecture Notes in Computer Science Abbreviated Series Title
Series Volume 6174 Series Issue Edition
ISSN ISBN Medium
Area Expedition Conference
Notes Approved yes
Call Number Sapienza @ mari @ cav2010 Serial 16
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Author Bobbio, Andrea; Ciancamerla, Ester; Di Blasi, Saverio; Iacomini, Alessandro; Mari, Federico; Melatti, Igor; Minichino, Michele; Scarlatti, Alessandro; Tronci, Enrico; Terruggia, Roberta; Zendri, Emilio
Title Risk analysis via heterogeneous models of SCADA interconnecting Power Grids and Telco networks Type Conference Article
Year 2009 Publication Proceedings of Fourth International Conference on Risks and Security of Internet and Systems (CRiSIS) Abbreviated Journal
Volume (up) Issue Pages 90-97
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Abstract The automation of power grids by means of supervisory control and data acquisition (SCADA) systems has led to an improvement of power grid operations and functionalities but also to pervasive cyber interdependencies between power grids and telecommunication networks. Many power grid services are increasingly depending upon the adequate functionality of SCADA system which in turn strictly depends on the adequate functionality of its communication infrastructure. We propose to tackle the SCADA risk analysis by means of different and heterogeneous modeling techniques and software tools. We demonstrate the applicability of our approach through a case study on an actual SCADA system for an electrical power distribution grid. The modeling techniques we discuss aim at providing a probabilistic dependability analysis, followed by a worst case analysis in presence of malicious attacks and a real-time performance evaluation.
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Area Expedition Conference Fourth International Conference on Risks and Security of Internet and Systems (CRiSIS)
Notes Approved yes
Call Number Sapienza @ mari @ crisis09 Serial 17
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