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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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| ISSN | 1942-2628 | ISBN | Medium | ||
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| Notes | Approved | yes | |||
| Call Number | 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 |
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| Call Number | 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 |
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| Publisher | IEEE Computer Society | Place of Publication | Editor | ||
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| Call Number | Sapienza @ melatti @ | Serial | 118 | ||
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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 | 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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| 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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| Call Number | Sapienza @ melatti @ | Serial | 121 | ||
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| Author | Alimguzhin, Vadim; Mari, Federico; Melatti, Igor; Salvo, Ivano; Tronci, Enrico | ||||
| Title | Automatic Control Software Synthesis for Quantized Discrete Time Hybrid Systems | Type | Report | ||
| Year | 2012 | Publication | Abbreviated Journal | ||
| Volume | abs/1207.4098 | Issue | Pages | ||
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| Abstract | Many Embedded Systems are indeed Software Based Control Systems, that is control systems whose controller consists of control software running on a microcontroller device. This motivates investigation on Formal Model Based Design approaches for automatic synthesis of embedded systems control software. This paper addresses control software synthesis for discrete time nonlinear systems. We present a methodology to overapproximate the dynamics of a discrete time nonlinear hybrid system H by means of a discrete time linear hybrid system L(H), in such a way that controllers for L(H) are guaranteed to be controllers for H. We present experimental results on the inverted pendulum, a challenging and meaningful benchmark in nonlinear Hybrid Systems control. | ||||
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| Publisher | CoRR, Technical Report | Place of Publication | Editor | ||
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| Call Number | Sapienza @ mari @ | Serial | 103 | ||
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| Author | Mancini, Toni; Mari, Federico; Massini, Annalisa; Melatti, Igor; Tronci, Enrico | ||||
| Title | SyLVaaS: System Level Formal Verification as a Service | Type | Conference Article | ||
| Year | 2015 | Publication | Proceedings of the 23rd Euromicro International Conference on Parallel, Distributed and Network-based Processing (PDP 2015), special session on Formal Approaches to Parallel and Distributed Systems (4PAD) | Abbreviated Journal | |
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| Call Number | MCLab @ davi @ | Serial | 123 | ||
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| Author | Toni Mancini; Enrico Tronci; Ivano Salvo; Federico Mari; Annalisa Massini; Igor Melatti | ||||
| Title | Computing Biological Model Parameters by Parallel Statistical Model Checking | Type | Journal Article | ||
| Year | 2015 | Publication | International Work Conference on Bioinformatics and Biomedical Engineering (IWBBIO 2015) | Abbreviated Journal | |
| Volume | 9044 | Issue | Pages | 542-554 | |
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| Call Number | MCLab @ davi @ | Serial | 124 | ||
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| Author | Mancini, Toni; Mari, Federico; Massini, Annalisa; Melatti, Igor; Tronci, Enrico | ||||
| Title | Simulator Semantics for System Level Formal Verification | Type | Conference Article | ||
| Year | 2015 | Publication | Proceedings Sixth International Symposium on Games, Automata, Logics and Formal Verification (GandALF 2015), | Abbreviated Journal | |
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| Call Number | MCLab @ davi @ | Serial | 125 | ||
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