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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 | |
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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; Intrigila, Benedetto; Melatti, Igor; Tronci, Enrico; Venturini Zilli, Marisa | ||||
| Title | Bounded Probabilistic Model Checking with the Mur$\varphi$ Verifier | Type | Conference Article | ||
| Year | 2004 | Publication | Formal Methods in Computer-Aided Design, 5th International Conference, FMCAD 2004, Austin, Texas, USA, November 15-17, 2004, Proceedings | Abbreviated Journal | |
| Volume | Issue |
Pages | 214-229 | ||
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| Abstract | In this paper we present an explicit verification algorithm for Probabilistic Systems defining discrete time/finite state Markov Chains. We restrict ourselves to verification of Bounded PCTL formulas (BPCTL), that is, PCTL formulas in which all Until operators are bounded, possibly with different bounds. This means that we consider only paths (system runs) of bounded length. Given a Markov Chain $\cal M$ and a BPCTL formula Φ, our algorithm checks if Φ is satisfied in $\cal M$. This allows to verify important properties, such as reliability in Discrete Time Hybrid Systems. We present an implementation of our algorithm within a suitable extension of the Mur$\varphi$ verifier. We call FHP-Mur$\varphi$ (Finite Horizon Probabilistic Mur$\varphi$) such extension of the Mur$\varphi$ verifier. We give experimental results comparing FHP-Mur$\varphi$ with (a finite horizon subset of) PRISM, a state-of-the-art symbolic model checker for Markov Chains. Our experimental results show that FHP-Mur$\varphi$ can effectively handle verification of BPCTL formulas for systems that are out of reach for PRISM, namely those involving arithmetic operations on the state variables (e.g. hybrid systems). | ||||
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| Publisher | Springer | Place of Publication | Editor | Hu, A.J.; Martin, A.K. | |
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| Series Editor | Series Title | Lecture Notes in Computer Science | Abbreviated Series Title | ||
| Series Volume | 3312 | Series Issue | Edition | ||
| ISSN | 3-540-23738-0 | ISBN | Medium | ||
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| Notes | Approved | yes | |||
| Call Number | Sapienza @ mari @ Dimtz04 | Serial | 87 | ||
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| Author | Della Penna, Giuseppe; Intrigila, Benedetto; Melatti, Igor; Minichino, Michele; Ciancamerla, Ester; Parisse, Andrea; Tronci, Enrico; Venturini Zilli, Marisa | ||||
| Title | Automatic Verification of a Turbogas Control System with the Mur$\varphi$ Verifier | Type | Conference Article | ||
| Year | 2003 | Publication | Hybrid Systems: Computation and Control, 6th International Workshop, HSCC 2003 Prague, Czech Republic, April 3-5, 2003, Proceedings | Abbreviated Journal | |
| Volume | Issue |
Pages | 141-155 | ||
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| Abstract | Automatic analysis of Hybrid Systems poses formidable challenges both from a modeling as well as from a verification point of view. We present a case study on automatic verification of a Turbogas Control System (TCS) using an extended version of the Mur$\varphi$ verifier. TCS is the heart of ICARO, a 2MW Co-generative Electric Power Plant. For large hybrid systems, as TCS is, the modeling effort accounts for a significant part of the whole verification activity. In order to ease our modeling effort we extended the Mur$\varphi$ verifier by importing the C language long double type (finite precision real numbers) into it. We give experimental results on running our extended Mur$\varphi$ on our TCS model. For example using Mur$\varphi$ we were able to compute an admissible range of values for the variation speed of the user demand of electric power to the turbogas. | ||||
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| Publisher | Springer | Place of Publication | Editor | Maler, O.; Pnueli, A. | |
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| Series Editor | Series Title | Lecture Notes in Computer Science | Abbreviated Series Title | ||
| Series Volume | 2623 | Series Issue | Edition | ||
| ISSN | 3-540-00913-2 | ISBN | Medium | ||
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| Notes | Approved | yes | |||
| Call Number | Sapienza @ mari @ Dimmcptz03 | Serial | 88 | ||
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| Author | Della Penna, Giuseppe; Intrigila, Benedetto; Melatti, Igor; Tronci, Enrico; Venturini Zilli, Marisa | ||||
| Title | Finite Horizon Analysis of Stochastic Systems with the Mur$\varphi$ Verifier | Type | Conference Article | ||
| Year | 2003 | Publication | Theoretical Computer Science, 8th Italian Conference, ICTCS 2003, Bertinoro, Italy, October 13-15, 2003, Proceedings | Abbreviated Journal | |
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Pages | 58-71 | ||
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| Abstract | Many reactive systems are actually Stochastic Processes. Automatic analysis of such systems is usually very difficult thus typically one simplifies the analysis task by using simulation or by working on a simplified model (e.g. a Markov Chain). We present a Finite Horizon Probabilistic Model Checking approach which essentially can handle the same class of stochastic processes of a typical simulator. This yields easy modeling of the system to be analyzed together with formal verification capabilities. Our approach is based on a suitable disk based extension of the Mur$\varphi$ verifier. Moreover we present experimental results showing effectiveness of our approach. | ||||
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| Publisher | Springer | Place of Publication | Editor | Blundo, C.; Laneve, C. | |
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| Series Editor | Series Title | Lecture Notes in Computer Science | Abbreviated Series Title | ||
| Series Volume | 2841 | Series Issue | Edition | ||
| ISSN | 3-540-20216-1 | ISBN | Medium | ||
| Area | Expedition | Conference | |||
| Notes | Approved | yes | |||
| Call Number | Sapienza @ mari @ DIMTZ03c | Serial | 90 | ||
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| Author | Tronci, E.; Mancini, T.; Salvo, I.; Mari, F.; Melatti, I.; Massini, A.; Sinisi, S.; Davì, F.; Dierkes, T.; Ehrig, R.; Röblitz, S.; Leeners, B.; Krüger, T.; Egli, M.; Ille, F. | ||||
| Title | Patient-Specific Models from Inter-Patient Biological Models and Clinical Records | Type | Conference Article | ||
| Year | 2014 | Publication | Formal Methods in Computer-Aided Design (FMCAD) | Abbreviated Journal | |
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| Notes | Approved | no | |||
| Call Number | Sapienza @ mari @ | Serial | 120 | ||
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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 | |
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| Notes | Approved | no | |||
| Call Number | Sapienza @ melatti @ | Serial | 121 | ||
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| Author | Tronci, E.; Mancini, T.; Mari, F.; Melatti, I.; Jacobsen, R. H.; Ebeid, E.; Mikkelsen, S. A.; Prodanovic, M.; Gruber, J. K.; Hayes, B. | ||||
| Title | SmartHG: Energy Demand Aware Open Services for Smart Grid Intelligent Automation | Type | Conference Article | ||
| Year | 2014 | Publication | Proceedings of the Work in Progress Session of SEAA/DSD 2014 | Abbreviated Journal | |
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| ISSN | ISBN | 978-3-902457-40-0 | Medium | ||
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| Notes | Approved | no | |||
| Call Number | Sapienza @ mari @ | Serial | 119 | ||
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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 |
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| Publisher | IEEE Computer Society | Place of Publication | Editor | ||
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| Notes | Approved | no | |||
| Call Number | Sapienza @ melatti @ | Serial | 118 | ||
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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 |
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| Notes | Approved | no | |||
| Call Number | Sapienza @ melatti @ | Serial | 117 | ||
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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. |
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| Publisher | IARIA | Place of Publication | Editor | Luigi Lavazza | |
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| Series Volume | Series Issue | Edition | |||
| ISSN | 1942-2628 | ISBN | Medium | ||
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| Notes | Approved | yes | |||
| Call Number | Sapienza @ melatti @ | Serial | 115 | ||
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