Bibliographies thématiques / Hybrid systems modeling and verification

Littérature scientifique sur le sujet « Hybrid systems modeling and verification »

Auteur : Grafiati
Publié le 11 mars 2023

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Articles de revues sur le sujet "Hybrid systems modeling and verification"

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Mosterman, Pieter J., Gautam Biswas et Janos Sztipanovits. « Hybrid Modeling and Verification of Embedded Control Systems ». IFAC Proceedings Volumes 30, no 4 (avril 1997) : 33–38. http://dx.doi.org/10.1016/s1474-6670(17)43608-1.

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Motallebi, Hassan, et Mohammad Abdollahi Azgomi. « Modeling and verification of hybrid dynamic systems using multisingular hybrid Petri nets ». Theoretical Computer Science 446 (août 2012) : 48–74. http://dx.doi.org/10.1016/j.tcs.2012.05.023.

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Mosterman, Pieter J., Gautam Biswas et Janos Sztipanovits. « A hybrid modeling and verification paradigm for embedded control systems ». Control Engineering Practice 6, no 4 (avril 1998) : 511–21. http://dx.doi.org/10.1016/s0967-0661(98)00045-8.

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Park, Jaeyong, Arda Kurt et Ümit Özgüner. « Hybrid Systems Modeling and Reachability-Based Controller Design Methods for Vehicular Automation ». Unmanned Systems 02, no 02 (avril 2014) : 101–19. http://dx.doi.org/10.1142/s2301385014500071.

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In this study, applicability of verification and correct-by-design hybrid systems modeling and reachability-based controllers for vehicular automation are investigated. Two perspectives in hybrid systems modeling will be introduced, and then reachability analysis techniques will be developed to compute exact reachable sets from a specified unsafe set. Using level set methods, a Hamilton–Jacobi–Isaacs equation is derived whose solutions describe the boundaries of the finite time backward reachable set, which will be manipulated to design a safe controller that guarantees the safety of a given system. An automated longitudinal controller with a fully integrated collision avoidance functionality will be designed as a hybrid system and validated through simulations with a number of different scenarios in order to illustrate the potential of verification methods in automated vehicles.
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FRIBOURG, LAURENT, et ULRICH KÜHNE. « PARAMETRIC VERIFICATION AND TEST COVERAGE FOR HYBRID AUTOMATA USING THE INVERSE METHOD ». International Journal of Foundations of Computer Science 24, no 02 (février 2013) : 233–49. http://dx.doi.org/10.1142/s0129054113400091.

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Hybrid systems combine continuous and discrete behavior. Hybrid Automata are a powerful formalism for the modeling and verification of such systems. A common problem in hybrid system verification is the good parameters problem, which consists in identifying a set of parameter valuations which guarantee a certain behavior of a system. Recently, a method has been presented for attacking this problem for Timed Automata. In this paper, we show the extension of this methodology for hybrid automata with linear and affine dynamics. The method is demonstrated with a hybrid system benchmark from the literature.
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Schupp, Stefan, Francesco Leofante, Leander Behr, Erika Ábrahám et Armando Taccella. « Robot Swarms as Hybrid Systems : Modelling and Verification ». Electronic Proceedings in Theoretical Computer Science 361 (10 juillet 2022) : 61–77. http://dx.doi.org/10.4204/eptcs.361.7.

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Lu, Tsung-Yu, Mu-En Wu, Er-Hao Chen et Yeong-Luh Ueng. « Reference Selection for Offline Hybrid Siamese Signature Verification Systems ». Computers, Materials & ; Continua 73, no 1 (2022) : 935–52. http://dx.doi.org/10.32604/cmc.2022.026717.

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Maheshwari, Sachin, Spyros Stathopoulos, Jiaqi Wang, Alexander Serb, Yihan Pan, Andrea Mifsud, Lieuwe B. Leene et al. « Design Flow for Hybrid CMOS/Memristor Systems—Part I : Modeling and Verification Steps ». IEEE Transactions on Circuits and Systems I : Regular Papers 68, no 12 (décembre 2021) : 4862–75. http://dx.doi.org/10.1109/tcsi.2021.3122343.

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Wang, Miaosen, Yuan Xue et Kang Wang. « Modeling and Simulation in an Aircraft Safety Design Based on a Hybrid AHP and FCA Algorithm ». Computational Intelligence and Neuroscience 2022 (27 mai 2022) : 1–11. http://dx.doi.org/10.1155/2022/6424057.

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Throughout the world, the reliability-based approach to safety design of aircraft systems is quite mature and widely used. However, there are still shortcomings in the reliability-based aircraft system safety analysis method. It cannot dynamically analyze the accident evolution process and lack consideration of the complex situation of multifactor coupling. On the basis of the original aircraft system safety analysis method, this paper innovatively proposes a functional hazard analysis (FHA) method based on the analytic hierarchy process (AHP) and multifactor fuzzy comprehensive assessment (FCA). The purpose is to improve the objectivity and quantification of the FHA method in the safety design of aircraft systems. At the same time, in the terminal airworthiness verification, this paper proposes a repeatable and controllable virtual test flight verification method, which aims to reduce the cost and cycle of the terminal airworthiness verification and expand the coverage of the envelope verification. Finally, combined with the clauses in MIL-HDBK-516B, a case calculation is carried out to verify the feasibility of the proposed method.
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Sharykin, Raman E., et Alexander N. Kourbatski. « A model of distributed object­based stochastic hybrid systems ». Journal of the Belarusian State University. Mathematics and Informatics, no 2 (1 août 2019) : 52–61. http://dx.doi.org/10.33581/2520-6508-2019-2-52-61.

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This article offers a mathematical model for distributed object­oriented stochastic hybrid systems (DOBSHS). DOBSHS are composite objects communicating with other objects through the exchange of messages through an asynchronous medium such as a network. An important component of the model is the probabilistic nature of the DOBSHS, in which the state of the system is described by stochastic differential equations with instantaneous probabilistic state changes when certain conditions are met. Also probabilistic is the nature of the messaging environment, in which the model of message delivery time is a random variable. Such problems are often encountered in practice in various areas and issues of formal modeling and verification of their properties are very important. The article presents a mathematical model of DOBSHS and proved that it has a Markov property.
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Thèses sur le sujet "Hybrid systems modeling and verification"

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Mohammed, Ammar Mohammed [Verfasser]. « Hybrid multi-agent systems : modeling, specification and verification / Ammar Mohammed Mohammed ». Koblenz : Universitätsbibliothek Koblenz, 2010. http://d-nb.info/1008134155/34.

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Becker, Basil, et Holger Giese. « Cyber-physical systems with dynamic structure : towards modeling and verification of inductive invariants ». Universität Potsdam, 2012. http://opus.kobv.de/ubp/volltexte/2012/6243/.

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Cyber-physical systems achieve sophisticated system behavior exploring the tight interconnection of physical coupling present in classical engineering systems and information technology based coupling. A particular challenging case are systems where these cyber-physical systems are formed ad hoc according to the specific local topology, the available networking capabilities, and the goals and constraints of the subsystems captured by the information processing part. In this paper we present a formalism that permits to model the sketched class of cyber-physical systems. The ad hoc formation of tightly coupled subsystems of arbitrary size are specified using a UML-based graph transformation system approach. Differential equations are employed to define the resulting tightly coupled behavior. Together, both form hybrid graph transformation systems where the graph transformation rules define the discrete steps where the topology or modes may change, while the differential equations capture the continuous behavior in between such discrete changes. In addition, we demonstrate that automated analysis techniques known for timed graph transformation systems for inductive invariants can be extended to also cover the hybrid case for an expressive case of hybrid models where the formed tightly coupled subsystems are restricted to smaller local networks.
Cyber-physical Systeme erzielen ihr ausgefeiltes Systemverhalten durch die enge Verschränkung von physikalischer Kopplung, wie sie in Systemen der klassichen Igenieurs-Disziplinen vorkommt, und der Kopplung durch Informationstechnologie. Eine besondere Herausforderung stellen in diesem Zusammenhang Systeme dar, die durch die spontane Vernetzung einzelner Cyber-Physical-Systeme entsprechend der lokalen, topologischen Gegebenheiten, verfügbarer Netzwerkfähigkeiten und der Anforderungen und Beschränkungen der Teilsysteme, die durch den informationsverabeitenden Teil vorgegeben sind, entstehen. In diesem Bericht stellen wir einen Formalismus vor, der die Modellierung der eingangs skizzierten Systeme erlaubt. Ein auf UML aufbauender Graph-Transformations-Ansatz wird genutzt, um die spontane Bildung eng kooperierender Teilsysteme beliebiger Größe zu spezifizieren. Differentialgleichungen beschreiben das kombinierte Verhalten auf physikalischer Ebene. In Kombination ergeben diese beiden Formalismen hybride Graph-Transformations-Systeme, in denen die Graph-Transformationen diskrete Schritte und die Differentialgleichungen das kontinuierliche, physikalische Verhalten des Systems beschreiben. Zusätzlich, präsentieren wir die Erweiterung einer automatischen Analysetechnik zur Verifikation induktiver Invarianten, die bereits für zeitbehaftete Systeme bekannt ist, auf den ausdrucksstärkeren Fall der hybriden Modelle.
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Aljarbouh, Ayman. « Accelerated simulation of hybrid systems : method combining static analysis and run-time execution analysis ». Thesis, Rennes 1, 2017. http://www.theses.fr/2017REN1S033/document.

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Cette thèse apporte quatre principales contributions : une méthode d'éliminateur de phénomènes de ''chattering'' d'automates hybrides, par calcul d'une dynamique régulière équivalente à l'aide d'une convexification de Filippov ; une méthode d'accélération de la simulation de certains comportements Zénon, dits géométriques, pour certains automates hybrides ; des preuves de préservation par les méthodes ci-dessus d'une sémantique des automates hybrides à base d'analyse non-standard ; développement de trois logiciels prototypes, l'un sous la forme d'une bibliothèque Simulink, le second sous la forme d'un environnement de simulation de composants FMI, et le troisième étant une implémentation de la méthode de régularisation dans le langage de modélisation de systèmes hybrides Acumen
This thesis deals with Zeno behavior of hybrid systems, and it has four main contributions : a method of eliminating "chattering" phenomena of hybrid automata, by computing an equivalent dynamics using a new convexification approach ; a method for accelerating the simulation of geometric-Zeno behavior in which the solution converges to a Zeno limit point according to a geometric series ; a proof of preservation by the above methods of a semantics of hybrid automata based on non-standard analysis ; a development of three prototype software, one in the form of a Simulink library, the other in the form of an FMI simulation environment, and the third being an implementation of the regularization method in the Modeling and simulation tool Acumen
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Bujorianu, Manuela-Luminita. « Stochastic hybrid system : modelling and verification ». Thesis, University of Stirling, 2005. http://hdl.handle.net/1893/3451.

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Hybrid systems now form a classical computational paradigm unifying discrete and continuous system aspects. The modelling, analysis and verification of these systems are very difficult. One way to reduce the complexity of hybrid system models is to consider randomization. The need for stochastic models has actually multiple motivations. Usually, when building models complete information is not available and we have to consider stochastic versions. Moreover, non-determinism and uncertainty are inherent to complex systems. The stochastic approach can be thought of as a way of quantifying non-determinism (by assigning a probability to each possible execution branch) and managing uncertainty. This is built upon to the - now classical - approach in algorithmics that provides polynomial complexity algorithms via randomization. In this thesis we investigate the stochastic hybrid systems, focused on modelling and analysis. We propose a powerful unifying paradigm that combines analytical and formal methods. Its applications vary from air traffic control to communication networks and healthcare systems. The stochastic hybrid system paradigm has an explosive development. This is because of its very powerful expressivity and the great variety of possible applications. Each hybrid system model can be randomized in different ways, giving rise to many classes of stochastic hybrid systems. Moreover, randomization can change profoundly the mathematical properties of discrete and continuous aspects and also can influence their interaction. Beyond the profound foundational and semantics issues, there is the possibility to combine and cross-fertilize techniques from analytic mathematics (like optimization, control, adaptivity, stability, existence and uniqueness of trajectories, sensitivity analysis) and formal methods (like bisimulation, specification, reachability analysis, model checking). These constitute the major motivations of our research. We investigate new models of stochastic hybrid systems and their associated problems. The main difference from the existing approaches is that we do not follow one way (based only on continuous or discrete mathematics), but their cross-fertilization. For stochastic hybrid systems we introduce concepts that have been defined only for discrete transition systems. Then, techniques that have been used in discrete automata now come in a new analytical fashion. This is partly explained by the fact that popular verification methods (like theorem proving) can hardly work even on probabilistic extensions of discrete systems. When the continuous dimension is added, the idea to use continuous mathematics methods for verification purposes comes in a natural way. The concrete contribution of this thesis has four major milestones: 1. A new and a very general model for stochastic hybrid systems; 2. Stochastic reachability for stochastic hybrid systems is introduced together with an approximating method to compute reach set probabilities; 3. Bisimulation for stochastic hybrid systems is introduced and relationship with reachability analysis is investigated. 4. Considering the communication issue, we extend the modelling paradigm.
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Mitra, Sayan. « A verification framework for hybrid systems ». Thesis, Massachusetts Institute of Technology, 2007. http://hdl.handle.net/1721.1/42238.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2007.
Includes bibliographical references (p. 193-205) and index.
Combining; discrete state transitions with differential equations, Hybrid system models provide an expressive formalism for describing software systems that interact with a physical environment. Automatically checking properties, such as invariance and stability, is extremely hard for general hybrid models, and therefore current research focuses on models with restricted expressive power. In this thesis we take a complementary approach by developing proof techniques that are not necessarily automatic, but are applicable to a general class of hybrid systems. Three components of this thesis, namely, (i) semantics for ordinary and probabilistic hybrid models, (ii) methods for proving invariance, stability, and abstraction, and (iii) software tools supporting (i) and (ii), are integrated within a common mathematical framework. (i) For specifying nonprobabilistic hybrid models, we present Structured Hybrid I/O Automata (SHIOAs) which adds control theory-inspired structures, namely state models, to the existing Hybrid I/O Automata, thereby facilitating description of continuous behavior. We introduce a generalization of SHIOAs which allows both nondeterministic and stochastic transitions and develop the trace-based semantics for this framework. (ii) We present two techniques for establishing lower-bounds on average dwell time (ADT) for SHIOA models. This provides a sufficient condition of establishing stability for SHIOAs with stable state models. A new simulation-based technique which is sound for proving ADT-equivalence of SHIOAs is proposed. We develop notions of approximate implementation and corresponding proof techniques for Probabilistic I/O Automata. Specifically, a PIOA A is an E-approximate implementation of B, if every trace distribution of A is c-close to some trace distribution of B-closeness being measured by a metric on the space of trace distributions.
(cont.) We present a new class of real-valued simulation functions for proving c-approximate implementations, and demonstrate their utility in quantitatively reasoning about probabilistic safety and termination. (iii) We introduce a specification language for SHIOAs and a theorem prover interface for this language. The latter consists of a translator to typed high order logic and a set of PVS-strategies that partially automate the above verification techniques within the PVS theorem prover.
by Sayan Mitra.
Ph.D.
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Livadas, Carolos. « Formal verification of safety-critical hybrid systems ». Thesis, Massachusetts Institute of Technology, 1997. http://hdl.handle.net/1721.1/42817.

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Thesis (M.Eng.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1997.
Includes bibliographical references (p. 181-185).
This thesis investigates how the formal modeling and verification techniques of computer science can be used for the analysis of hybrid systems [7,14,22,37] - systems involving both discrete and continuous behavior. The motivation behind such research lies in the inherent similarity of the hierarchical and decentralized control strategies of hybrid systems and the communication and operation protocols used for distributed systems in computer science. As a case study, the thesis focuses on the development of techniques that use hybrid I/O automata [29,30] to model and analyze automated vehicle transportation systems and, in particular, their various protection subsystems - control systems that are used to ensure that the physical plant at hand does not violate its various safety requirements. The thesis is split into two major parts. In the first part, we develop an abstract model of a physical plant and its various protection subsystems - also referred to as protectors. The specialization of this abstract model results in the specification of a particular automated transportation system. Moreover, the proof of correctness of the abstract model leads to simple correctness proofs of the protector implementations for particular specializations of the abstract model. In this framework, the composition of independent protectors is straightforward - their composition guarantees the conjunction of the safety properties guaranteed by the individual protectors. In fact, it is shown that under certain conditions composition holds for dependent protectors also. In the second part, we specialize the aforementioned abstract model to simplified versions of the personal rapid transit system (PRT 200TM) under development at Raytheon Corporation. We examine overspeed and collision protection for a set of vehicles traveling on straight tracks, on binary merges, and on a directed graph of tracks involving binary merges and diverges. In each case, the protectors sample the state of the physical plant and take protective actions to guarantee that the physical plant does not reach hazardous states. The proofs of correctness of such protectors involve specializing the abstract protector to the physical plant at hand and proving that the suggested protector implementations are correct. This is done by defining simulations among the states of the protector implementations and their abstract counterparts.
by Carolos Livadas.
M.Eng.
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Denman, William. « Automated verification of continuous and hybrid dynamical systems ». Thesis, University of Cambridge, 2015. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.708809.

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Savicks, Vitaly. « Integrating formal verification and simulation of hybrid systems ». Thesis, University of Southampton, 2016. https://eprints.soton.ac.uk/400280/.

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An increasing number of today's systems can be characterised as cyber-physical, or hybrid systems that combine the concurrent continuous environment and discrete computational logic. In order to develop such systems as safe and reliable one needs to be able to model and verify them from the early stages of the development process. Current modelling technologies allow us to specify the abstractions of these systems in terms of the procedural or declarative modelling languages and visual notations, and to simulate their behaviour over a period of time for analysis. Other means of modelling are formal methods, which define systems in terms of logics and enable rigorous analysis of system properties. While the first class of technologies provides a natural notation for describing physical processes, but lacks the formal proof, the second class relies on mathematical abstractions to rationalise and automate the complex task of formal verification. The benefits of both technologies can be significantly enhanced by a collaborative methodology. Due to the complexity of the considered systems and the formal proof process it is critical that such a methodology is based on a top-down development process that fully supports abstraction and refinement. We develop this idea into a tool extension for the state of the art Rodin platform for system-level formal modelling and analysis in the Event-B language. The developed tool enables integration of the physical simulation with refinement-based formal verification in Event-B, thus enhancing the capabilities of Rodin with the simulation-based validation that supports refinement. The tool utilises the Functional Mock-up Interface (FMI) standard for industrial-grade model exchange and co-simulation and is based on a co-simulation principle between the discrete models in Event-B and continuous physical models of FMI. It provides a graphical environment for model import, composition and co-simulation, and implements a generic simulation algorithm for discrete-continuous co-simulation.
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Carroll, Simon A. « Strategies for Improving Verification Techniques for Hybrid Systems ». Case Western Reserve University School of Graduate Studies / OhioLINK, 2008. http://rave.ohiolink.edu/etdc/view?acc_num=case1212713593.

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Carter, Rebekah. « Verification of liveness properties on hybrid dynamical systems ». Thesis, University of Manchester, 2013. https://www.research.manchester.ac.uk/portal/en/theses/verification-of-liveness-properties-on-hybrid-dynamical-systems(8817319c-a63f-4cf3-927d-a2ddf69139b4).html.

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A hybrid dynamical system is a mathematical model for a part of the real world where discrete and continuous parts interact with each other. Typically such systems are complex, and it is difficult to know how they will behave for general parameters and initial conditions. However, the method of formal verification gives us the ability to prove automatically that certain behaviour does or does not happen for a range of parameters in a system. The challenge is then to define suitable methods for proving properties on hybrid systems.This thesis looks at using formal verification for proving liveness properties on hybrid systems: a liveness property says that something good eventually happens in the system. This work presents the theoretical background and practical application of various methods for proving and disproving inevitability properties (a type of liveness) in different classes of hybrid systems. The methods combine knowledge of dynamical behaviour of a system with the brute-force approach of model checking, in order to make the most of the benefits of both sides. The work on proving liveness properties is based on abstraction of dynamical systems to timed automata. This thesis explores the limits of a pre-defined abstraction method, adds some dynamical knowledge to the method, and shows that this improvement makes liveness properties provable in certain continuous dynamical systems. The limits are then pushed further to see how this method can be used for piecewise-continuous dynamical systems. The resulting algorithms are implemented for both classes of systems.In order to disprove liveness properties in hybrid systems a novel framework is proposed, using a new property called deadness. Deadness is a dynamically-aware property of the hybrid system which, if true, disproves the liveness property by means of a finite execution: we usually require an infinite execution to disprove a liveness property. An algorithm is proposed which uses dynamical properties of hybrid systems to derive deadness properties automatically, and the implementation of this algorithm is discussed and applied to a simplified model of an oilwell drillstring.
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Livres sur le sujet "Hybrid systems modeling and verification"

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A, Granat Mitchell, et Hydraulics Laboratory (U.S.), dir. Verification of the hydrodynamic and sediment transport hybrid modeling system for Cumberland Sound and Kings Bay navigation channel, Georgia. Vicksburg, Miss : US Army Corps of Engineers, Hydraulics Laboratory, 1989.

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Inan, M. Kemal, et Robert P. Kurshan, dir. Verification of Digital and Hybrid Systems. Berlin, Heidelberg : Springer Berlin Heidelberg, 2000. http://dx.doi.org/10.1007/978-3-642-59615-5.

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Tabuada, Paulo. Verification and Control of Hybrid Systems. Boston, MA : Springer US, 2009. http://dx.doi.org/10.1007/978-1-4419-0224-5.

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Onwubolu, Godfrey C., dir. Hybrid Self-Organizing Modeling Systems. Berlin, Heidelberg : Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-642-01530-4.

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Merz, Stephan, et Nicolas Navet, dir. Modeling and Verification of Real-Time Systems. London, UK : ISTE, 2008. http://dx.doi.org/10.1002/9780470611012.

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service), SpringerLink (Online, dir. Verification and Control of Hybrid Systems : A Symbolic Approach. Boston, MA : Springer-Verlag US, 2009.

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Goebel, Rafal. Hybrid dynamical systems : Modeling, stability, and robustness. Princeton, N.J : Princeton University Press, 2012.

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Drechsler, Rolf, et Ulrich Kühne, dir. Formal Modeling and Verification of Cyber-Physical Systems. Wiesbaden : Springer Fachmedien Wiesbaden, 2015. http://dx.doi.org/10.1007/978-3-658-09994-7.

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Samar, Abdi, Gerstlauer Andreas 1970-, Schirner Gunar et SpringerLink (Online service), dir. Embedded System Design : Modeling, Synthesis and Verification. Boston, MA : Springer-Verlag US, 2009.

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United States. National Aeronautics and Space Administration., dir. Verification of thermal analysis codes for modeling sold rocket nozzles. [Washington, DC : National Aeronautics and Space Administration, 1993.

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Chapitres de livres sur le sujet "Hybrid systems modeling and verification"

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Roozbehani, Mardavij, Eric Feron et Alexandre Megrestki. « Modeling, Optimization and Computation for Software Verification ». Dans Hybrid Systems : Computation and Control, 606–22. Berlin, Heidelberg : Springer Berlin Heidelberg, 2005. http://dx.doi.org/10.1007/978-3-540-31954-2_39.

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Lee, Jaehun, Sharon Kim, Kyungmin Bae et Peter Csaba Ölveczky. « Hybrid SynchAADL : Modeling and Formal Analysis of Virtually Synchronous CPSs in AADL ». Dans Computer Aided Verification, 491–504. Cham : Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-81685-8_23.

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AbstractWe present the $$\textsc {Hybrid}\textsc {Synch}\textsc {AADL}$$ H Y B R I D S Y N C H AADL modeling language and formal analysis tool for virtually synchronous cyber-physical systems with complex control programs, continuous behaviors, bounded clock skews, network delays, and execution times. We leverage the Hybrid PALS equivalence, so that it is sufficient to model and verify the simpler underlying synchronous designs. We define the $$\textsc {Hybrid}\textsc {Synch}\textsc {AADL}$$ H Y B R I D S Y N C H AADL language as a sublanguage of the avionics modeling standard AADL for modeling such designs in AADL, and demonstrate the effectiveness of $$\textsc {Hybrid}\textsc {Synch}\textsc {AADL}$$ H Y B R I D S Y N C H AADL on a number of applications.
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Schupp, Stefan, Erika Ábrahám, Xin Chen, Ibtissem Ben Makhlouf, Goran Frehse, Sriram Sankaranarayanan et Stefan Kowalewski. « Current Challenges in the Verification of Hybrid Systems ». Dans Cyber Physical Systems. Design, Modeling, and Evaluation, 8–24. Cham : Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-25141-7_2.

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Schwab, Stefan, Bernd Holzmüller et Sören Hohmann. « Automated Verification of Switched Systems Using Hybrid Identification ». Dans Cyber Physical Systems. Design, Modeling, and Evaluation, 87–100. Cham : Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-51738-4_7.

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Polgreen, Elizabeth, Kevin Cheang, Pranav Gaddamadugu, Adwait Godbole, Kevin Laeufer, Shaokai Lin, Yatin A. Manerkar, Federico Mora et Sanjit A. Seshia. « UCLID5 : Multi-modal Formal Modeling, Verification, and Synthesis ». Dans Computer Aided Verification, 538–51. Cham : Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-13185-1_27.

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AbstractUCLID5 is a tool for the multi-modal formal modeling, verification, and synthesis of systems. It enables one to tackle verification problems for heterogeneous systems such as combinations of hardware and software, or those that have multiple, varied specifications, or systems that require hybrid modes of modeling. A novel aspect of UCLID5 is an emphasis on the use of syntax-guided and inductive synthesis to automate steps in modeling and verification. This tool paper presents new developments in the UCLID5 tool including new language features, integration with new techniques for syntax-guided synthesis and satisfiability solving, support for hyperproperties and combinations of axiomatic and operational modeling, demonstrations on new problem classes, and a robust implementation.
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Mohammed, Ammar, et Ulrich Furbach. « Multi-Agent Systems : Modeling and Verification Using Hybrid Automata ». Dans Lecture Notes in Computer Science, 49–66. Berlin, Heidelberg : Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-14843-9_4.

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Lynch, Nancy. « Modelling and verification of automated transit systems, using timed automata, invariants and simulations ». Dans Hybrid Systems III, 449–63. Berlin, Heidelberg : Springer Berlin Heidelberg, 1996. http://dx.doi.org/10.1007/bfb0020967.

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Frehse, Goran. « An Introduction to Hybrid Automata, Numerical Simulation and Reachability Analysis ». Dans Formal Modeling and Verification of Cyber-Physical Systems, 50–81. Wiesbaden : Springer Fachmedien Wiesbaden, 2015. http://dx.doi.org/10.1007/978-3-658-09994-7_3.

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Li, Xian, et Klaus Schneider. « An SMT-based Approach to analyze Non-Linear Relations of Parameters for Hybrid Systems ». Dans Formal Modeling and Verification of Cyber-Physical Systems, 290–92. Wiesbaden : Springer Fachmedien Wiesbaden, 2015. http://dx.doi.org/10.1007/978-3-658-09994-7_16.

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Zhan, Naijun, Shuling Wang et Hengjun Zhao. « Formal Modelling, Analysis and Verification of Hybrid Systems ». Dans Lecture Notes in Computer Science, 207–81. Berlin, Heidelberg : Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-39721-9_5.

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Actes de conférences sur le sujet "Hybrid systems modeling and verification"

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Nickovic, Dejan. « Session details : Modeling and Verification ». Dans HSCC '18 : 21st International Conference on Hybrid Systems : Computation and Control. New York, NY, USA : ACM, 2018. http://dx.doi.org/10.1145/3258032.

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Koutroumpas, Konstantinos, et John Lygeros. « Modeling and verification of stochastic hybrid systems using HIOA ». Dans the 13th ACM international conference. New York, New York, USA : ACM Press, 2010. http://dx.doi.org/10.1145/1755952.1755989.

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Xiaobin Zhang et Hai Lin. « Stochastic hybrid systems modeling and performance verification of behavior-based robots ». Dans 2015 American Control Conference (ACC). IEEE, 2015. http://dx.doi.org/10.1109/acc.2015.7170829.

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« Modeling Multi-agent Logistic Process System using Hybrid Automata ». Dans The 6th International Workshop on Modelling, Simulation,Verification and Validation of Enterprise Information Systems. SciTePress - Science and and Technology Publications, 2008. http://dx.doi.org/10.5220/0001729501410149.

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Kumar, N. Suresh, et G. Santhosh Kumar. « Modeling and verification of timed automaton based hybrid systems using spin model checker ». Dans 2016 IEEE Annual India Conference (INDICON). IEEE, 2016. http://dx.doi.org/10.1109/indicon.2016.7839011.

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YATCHEV, Ivan, Iosko BALABOZOV, Hartmut BRAUER et Vultchan GUEORGIEV. « Computer Modeling and Experimental Verification of a Hybrid Electromagnetic System with Magnetic Flux Modulation ». Dans 2019 16th Conference on Electrical Machines, Drives and Power Systems (ELMA). IEEE, 2019. http://dx.doi.org/10.1109/elma.2019.8771639.

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Capiluppi, Marta, Luzie Schreiter, Paolo Fiorini, Joerg Raczkowsky et Heinz Woern. « Modeling and verification of a robotic surgical system using Hybrid Input/Output Automata ». Dans 2013 European Control Conference (ECC). IEEE, 2013. http://dx.doi.org/10.23919/ecc.2013.6669654.

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Ghigliazza, Francesco, Alberto Traverso, Matteo Pascenti et Aristide F. Massardo. « Micro Gas Turbine Real-Time Modeling : Test Rig Verification ». Dans ASME Turbo Expo 2009 : Power for Land, Sea, and Air. ASMEDC, 2009. http://dx.doi.org/10.1115/gt2009-59124.

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This paper reports on the latest application of a generic time-dependent real-time simulation tool, originally developed for fuel cell gas turbine hybrid systems, and now applied to an actual micro gas turbine test rig. Real-time modeling is a recognized approach for monitoring advanced systems and improving control capabilities: applications of real-time models are commonly used in the automotive and aircraft fields. The overall objective is improving of calculation time in existing time-dependent simulation models, while retaining acceptable accuracy of results. The real-time modeling approach already applied to fuel cell gas turbine systems has here been validated against the experimental data from the micro gas turbine Turbec T100 test rig in Savona, Italy. The real-time model of the microturbine recuperator has been newly developed to fit such an application. Two representative transient operations have been selected for verification: the heating and cooling phases of the connected volume. The results already show an acceptable agreement with measurements, and they have contributed to a better insight into performance prediction for the entire plant.
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Janjua, Faisal, M. Younis Javed et Naveed Sarfraz. « Chapter 19 : Hybrid Fingerprint Verification System Based on Fusion of Feature Extraction and Minutiae Detection Strategy ». Dans 2008 3rd International Conference on Geometric Modeling and Imaging GMAI. IEEE, 2008. http://dx.doi.org/10.1109/gmai.2008.19.

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Ghigliazza, Francesco, Alberto Traverso, Mario L. Ferrari et John Wingate. « Multi-Purpose Model of SOFC Hybrid Systems ». Dans ASME Turbo Expo 2008 : Power for Land, Sea, and Air. ASMEDC, 2008. http://dx.doi.org/10.1115/gt2008-50562.

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The Multi-Purpose Model represents a new methodology for developing model based tools for control system design and verification. The Multi-Purpose Model, as described in this paper, simulates a SOFC hybrid system — a challenging and innovative application of dynamic modelling and control. Real-time modelling is a recognised approach to monitor advanced systems and to improve control capabilities. Applications of Real-Time (RT) models are commonly used in the automotive and aerospace fields. Starting from existing TRANSEO components and models, a new approach to fit hybrid system application has been developed. Original C-based models have been translated into embedded Matlab functions for direct use within Matlab-Simulink. The resulting models have then been used to autogenerate c-code with the Real-Time Workshop. The C-code has then been compiled to produce application specific executables.
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Rapports d'organisations sur le sujet "Hybrid systems modeling and verification"

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Hamill, Daniel D., Jeremy J. Giovando, Chandler S. Engel, Travis A. Dahl et Michael D. Bartles. Application of a Radiation-Derived Temperature Index Model to the Willow Creek Watershed in Idaho, USA. U.S. Army Engineer Research and Development Center, août 2021. http://dx.doi.org/10.21079/11681/41360.

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The ability to simulate snow accumulation and melting processes is fundamental to developing real-time hydrological models in watersheds with a snowmelt-dominated flow regime. A primary source of uncertainty with this model development approach is the subjectivity related to which historical periods to use and how to combine parameters from multiple calibration events. The Hydrologic Engineering Center, Hydrological Modeling System, has recently implemented a hybrid temperature index (TI) snow module that has not been extensively tested. This study evaluates a radiatative temperature index (RTI) model’s performance relative to the traditional air TI model. The TI model for Willow Creek performed reasonably well in both the calibration and validation years. The results of the RTI calibration and validation simulations resulted in additional questions related to how best to parameterize this snow model. An RTI parameter sensitivity analysis indicates that the choice of calibration years will have a substantial impact on the parameters and thus the streamflow results. Based on the analysis completed in this study, further refinement and verification of the RTI model calculations are required before an objective comparison with the TI model can be completed.
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Kohn, W., J. B. Remmel et A. Nerode. Automation Comparison Procedure for Verification of Hybrid Systems. Fort Belvoir, VA : Defense Technical Information Center, novembre 1997. http://dx.doi.org/10.21236/ada344450.

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Wongpiromsarn, Tichakorn, Sayan Mitra, Richard M. Murray et Andrew Lamperski. Verification of Periodically Controlled Hybrid Systems : Application to An Autonomous Vehicle. Fort Belvoir, VA : Defense Technical Information Center, janvier 2009. http://dx.doi.org/10.21236/ada522591.

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Cetiner, Sacit M., Michael Scott Greenwood, Thomas J. Harrison, A. L. Qualls, Askin Guler Yigitoglu et David W. Fugate. Nuclear Hybrid Energy Systems FY16 Modeling Efforts at ORNL. Office of Scientific and Technical Information (OSTI), septembre 2016. http://dx.doi.org/10.2172/1338537.

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Rabiti, Cristian, Humberto E. Garcia, Rob Hovsapian, Robert Kinoshita, George L. Mesina, Shannon M. Bragg-Sitton et Richard D. Boardman. Strategy and gaps for modeling, simulation, and control of hybrid systems. Office of Scientific and Technical Information (OSTI), avril 2015. http://dx.doi.org/10.2172/1213628.

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Hales, Jason, et Veena Tikare. Verification and Validation Strategy for Implementation of Hybrid Potts-Phase Field Hydride Modeling Capability in MBM. Office of Scientific and Technical Information (OSTI), avril 2014. http://dx.doi.org/10.2172/1149015.

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Greenwood, Michael Scott, Sacit M. Cetiner, Thomas J. Harrison et David Fugate. A Templated Approach for Multi-Physics Modeling of Hybrid Energy Systems in Modelica. Office of Scientific and Technical Information (OSTI), août 2017. http://dx.doi.org/10.2172/1427611.

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Ho, T. Q., T. J. Hilsabeck, C. A. Hewett, D. A. Zolnick, M. Kragalott, D. J. Taylor, M. C. Baugher, T. Itoh et A. K. Agrawal. Verification and Validation Report : Microwave Office(Trademark) 2002 Modeling and Simulation for Electronic Systems. Fort Belvoir, VA : Defense Technical Information Center, août 2005. http://dx.doi.org/10.21236/ada487020.

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Cheney, Douglas C., et Bryan R. Fischer. Measuring the PMI Modeling Capability in CAD Systems : Report 1 - Combined Test Case Verification. National Institute of Standards and Technology, novembre 2015. http://dx.doi.org/10.6028/nist.gcr.15-997.

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Vargas, J. V. Modeling and Optimization of Renewable and Hybrid Fuel Cell Systems for Space Power and Propulsion. Fort Belvoir, VA : Defense Technical Information Center, novembre 2010. http://dx.doi.org/10.21236/ada563592.

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