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| Author | Mancini, T.; Mari, F.; Melatti, I.; Salvo, I.; Tronci, E.; Gruber, J.; Hayes, B.; Prodanovic, M.; Elmegaard, L. | ||||
| Title | Parallel Statistical Model Checking for Safety Verification in Smart Grids | Type | Conference Article | ||
| Year | 2018 | Publication | 2018 IEEE International Conference on Communications, Control, and Computing Technologies for Smart Grids (SmartGridComm) | Abbreviated Journal | |
| Volume | Issue | Pages | 1-6 | ||
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| Notes | Approved | no | |||
| Call Number | MCLab @ davi @ mancini-etal:2018:smartgridcomm | Serial | 170 | ||
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| Author | Mancini, T.; Mari, F.; Massini, A.; Melatti, I.; Salvo, I.; Sinisi, S.; Tronci, E.; Ehrig, R.; Röblitz, S.; Leeners, B. | ||||
| Title | Computing Personalised Treatments through In Silico Clinical Trials. A Case Study on Downregulation in Assisted Reproduction | Type | Conference Article | ||
| Year | 2018 | Publication | 25th RCRA International Workshop on “Experimental Evaluation of Algorithms for Solving Problems with Combinatorial Explosion” (RCRA 2018) | Abbreviated Journal | |
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| Notes | Approved | no | |||
| Call Number | MCLab @ davi @ | Serial | 175 | ||
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| Author | Mari, Federico; Melatti, Igor; Salvo, Ivano; Tronci, Enrico | ||||
| Title | Model Based Synthesis of Control Software from System Level Formal Specifications | Type | Report | ||
| Year | 2013 | Publication | Abbreviated Journal | ||
| Volume | abs/1107.5638 | 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.
We present an algorithm, along with a tool QKS implementing it, that from a formal model (as a Discrete Time Linear Hybrid System) of the controlled system (plant), implementation specifications (that is, number of bits in the Analog-to-Digital, AD, conversion) and System Level Formal Specifications (that is, safety and liveness requirements for the closed loop system) returns correct-by-construction control software that has a Worst Case Execution Time (WCET) linear in the number of AD bits and meets the given specifications. We show feasibility of our approach by presenting experimental results on using it to synthesize control software for a buck DC-DC converter, a widely used mixed-mode analog circuit, and for the inverted pendulum. |
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| Publisher | CoRR, Technical Report | Place of Publication | Editor |
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| Notes | Approved | yes | |||
| Call Number | Sapienza @ mari @ | Serial | 104 | ||
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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 | 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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| ISSN | 978-1-61208-165-6 | ISBN | Medium | ||
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| Notes | Best Paper Award | Approved | yes | ||
| Call Number | Sapienza @ mari @ icsea11 | Serial | 14 | ||
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| Author | Alimguzhin, V.; Mari, F.; Melatti, I.; Salvo, I.; Tronci, E. | ||||
| Title | Linearising Discrete Time Hybrid Systems | Type | Journal Article | ||
| Year | 2017 | Publication | IEEE Transactions on Automatic Control | Abbreviated Journal | |
| Volume | 62 | Issue | 10 | Pages | 5357-5364 |
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| Abstract | Model Based Design approaches for embedded systems aim at generating correct-by-construction control software, guaranteeing that the closed loop system (controller and plant) meets given system level formal specifications. This technical note addresses control synthesis for safety and reachability properties of possibly non-linear discrete time hybrid systems. By means of syntactical transformations that require non-linear terms to be Lipschitz continuous functions, we over-approximate non-linear dynamics with a linear system whose controllers are guaranteed to be controllers of the original system. We evaluate performance of our approach on meaningful control synthesis benchmarks, also comparing it to a state-of-the-art tool. | ||||
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| ISSN | 0018-9286 | ISBN | Medium | ||
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| Notes | Approved | no | |||
| Call Number | Sapienza @ mari @ ref7902199 | Serial | 164 | ||
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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 | Conference Article | ||
| Year | 2012 | Publication | Proceedings of the 51th IEEE Conference on Decision and Control, CDC 2012, December 10-13, 2012, Maui, HI, USA | Abbreviated Journal | |
| Volume | Issue | Pages | 6120-6125 | ||
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| Publisher | IEEE | Place of Publication | Editor |
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| ISSN | ISBN | 978-1-4673-2065-8 | Medium | ||
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| Notes | Techreport version can be found at http://arxiv.org/abs/1207.4098 | Approved | yes | ||
| Call Number | Sapienza @ mari @ cdc12 | Serial | 96 | ||
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| Author | Mari, Federico; Melatti, Igor; Salvo, Ivano; Tronci, Enrico | ||||
| Title | Linear Constraints as a Modeling Language for Discrete Time Hybrid Systems | Type | Conference Article | ||
| Year | 2012 | Publication | Proceedings of ICSEA 2012, The Seventh International Conference on Software Engineering Advances | Abbreviated Journal | |
| Volume | Issue | Pages | 664-671 | ||
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| Publisher | ThinkMind | Place of Publication | Editor |
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| Notes | Approved | yes | |||
| Call Number | Sapienza @ mari @ icsea12 | Serial | 98 | ||
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| Author | Mari, Federico; Melatti, Igor; Salvo, Ivano; Tronci, Enrico | ||||
| Title | Control Software Visualization | Type | Conference Article | ||
| Year | 2012 | Publication | Proceedings of INFOCOMP 2012, The Second International Conference on Advanced Communications and Computation | Abbreviated Journal | |
| Volume | Issue | Pages | 15-20 | ||
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| ISSN | 978-1-61208-226-4 | ISBN | Medium | ||
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| Notes | Approved | yes | |||
| Call Number | Sapienza @ mari @ infocomp2012 | Serial | 100 | ||
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| Author | Alimguzhin, Vadim; Mari, Federico; Melatti, Igor; Salvo, Ivano; Tronci, Enrico | ||||
| Title | A Map-Reduce Parallel Approach to Automatic Synthesis of Control Software | Type | Report | ||
| Year | 2012 | Publication | Abbreviated Journal | ||
| Volume | abs/1210.2276 | Issue | Pages | ||
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| Abstract | Many Control Systems are indeed Software Based Control Systems, i.e. 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 control software.
Available algorithms and tools (e.g., QKS) may require weeks or even months of computation to synthesize control software for large-size systems. This motivates search for parallel algorithms for control software synthesis. In this paper, we present a map-reduce style parallel algorithm for control software synthesis when the controlled system (plant) is modeled as discrete time linear hybrid system. Furthermore we present an MPI-based implementation PQKS of our algorithm. To the best of our knowledge, this is the first parallel approach for control software synthesis. We experimentally show effectiveness of PQKS on two classical control synthesis problems: the inverted pendulum and the multi-input buck DC/DC converter. Experiments show that PQKS efficiency is above 65%. As an example, PQKS requires about 16 hours to complete the synthesis of control software for the pendulum on a cluster with 60 processors, instead of the 25 days needed by the sequential algorithm in QKS. |
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| Notes | Approved | yes | |||
| Call Number | Sapienza @ mari @ | Serial | 101 | ||
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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 | |
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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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