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Author Mari, Federico; Melatti, Igor; Salvo, Ivano; Tronci, Enrico url  openurl
  Title Model Based Synthesis of Control Software from System Level Formal Specifications Type Report
  Year 2013 Publication Abbreviated Journal (up)  
  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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  Notes Approved yes  
  Call Number Sapienza @ mari @ Serial 104  
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Author Mari, Federico; Melatti, Igor; Salvo, Ivano; Tronci, Enrico url  openurl
  Title From Boolean Functional Equations to Control Software Type Report
  Year 2011 Publication Abbreviated Journal (up)  
  Volume abs/1106.0468 Issue Pages  
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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) at most O(nr), being n = |x| the number of arguments of functions in F and r the number of functions in F.  
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  Publisher CoRR, Technical Report Place of Publication Editor  
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  Notes Approved yes  
  Call Number Sapienza @ mari @ Serial 105  
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Author Mari, Federico; Melatti, Igor; Salvo, Ivano; Tronci, Enrico url  openurl
  Title Quantized Feedback Control Software Synthesis from System Level Formal Specifications for Buck DC/DC Converters Type Report
  Year 2011 Publication Abbreviated Journal (up)  
  Volume abs/1105.5640 Issue Pages  
  Keywords  
  Abstract Many Embedded Systems are indeed Software Based Control Systems (SBCSs), 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 SBCS control software. In previous works we presented an algorithm, along with a tool QKS implementing it, that from a formal model (as a Discrete Time Linear Hybrid System, DTLHS) 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. In this technical report we present full experimental results on using it to synthesize control software for two versions of buck DC-DC converters (single-input and multi-input), a widely used mixed-mode analog circuit.  
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  Publisher CoRR, Technical Report Place of Publication Editor  
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  Area Expedition Conference  
  Notes Approved yes  
  Call Number Sapienza @ mari @ Serial 106  
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Author Kuijpers, Ed; Carotenuto, Luigi; Malapert, Jean-Cristophe; Markov-Vetter, Daniela; Melatti, Igor; Orlandini, Andrea; Pinchuk, Ranni pdf  openurl
  Title Collaboration on ISS Experiment Data and Knowledge Representation Type Conference Article
  Year 2012 Publication Proc. of IAC 2012 Abbreviated Journal (up)  
  Volume D.5.11 Issue Pages  
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  Call Number Sapienza @ melatti @ Serial 107  
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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. pdf  isbn
openurl 
  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 (up)  
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  ISSN ISBN 978-3-902457-40-0 Medium  
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  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. pdf  doi
openurl 
  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 (up)  
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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. pdf  doi
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  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 (up)  
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  Call Number Sapienza @ melatti @ Serial 121  
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Author Mancini, Toni; Mari, Federico; Massini, Annalisa; Melatti, Igor; Tronci, Enrico pdf  doi
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  Title Anytime System Level Verification via Random Exhaustive Hardware In The Loop Simulation Type Conference Article
  Year 2014 Publication In Proceedings of 17th EuroMicro Conference on Digital System Design (DSD 2014) Abbreviated Journal (up)  
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  Call Number MCLab @ davi @ Serial 122  
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Author Mancini, Toni; Mari, Federico; Massini, Annalisa; Melatti, Igor; Tronci, Enrico pdf  doi
openurl 
  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 (up)  
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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 pdf  doi
openurl 
  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 (up)  
  Volume 9044 Issue Pages 542-554  
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  Notes Approved no  
  Call Number MCLab @ davi @ Serial 124  
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