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Verification Of Digital And Hybrid Systems
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Book Synopsis Verification of Digital and Hybrid Systems by : M. Kemal Inan
Download or read book Verification of Digital and Hybrid Systems written by M. Kemal Inan and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 422 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book grew out of a NATO Advanced Study Institute summer school that was held in Antalya, TUrkey from 26 May to 6 June 1997. The purpose of the summer school was to expose recent advances in the formal verification of systems composed of both logical and continuous time components. The course was structured in two parts. The first part covered theorem-proving, system automaton models, logics, tools, and complexity of verification. The second part covered modeling and verification of hybrid systems, i. e. , systems composed of a discrete event part and a continuous time part that interact with each other in novel ways. Along with advances in microelectronics, methods to design and build logical systems have grown progressively complex. One way to tackle the problem of ensuring the error-free operation of digital or hybrid systems is through the use of formal techniques. The exercise of comparing the formal specification of a logical system namely, what it is supposed to do to its formal operational description-what it actually does!-in an automated or semi-automated manner is called verification. Verification can be performed in an after-the-fact manner, meaning that after a system is already designed, its specification and operational description are regenerated or modified, if necessary, to match the verification tool at hand and the consistency check is carried out.
Book Synopsis Verification and Control of Hybrid Systems by : Paulo Tabuada
Download or read book Verification and Control of Hybrid Systems written by Paulo Tabuada and published by Springer Science & Business Media. This book was released on 2009-06-12 with total page 202 pages. Available in PDF, EPUB and Kindle. Book excerpt: Hybrid systems describe the interaction of software, described by finite models such as finite-state machines, with the physical world, described by infinite models such as differential equations. This book addresses problems of verification and controller synthesis for hybrid systems. Although these problems are very difficult to solve for general hybrid systems, several authors have identified classes of hybrid systems that admit symbolic or finite models. The novelty of the book lies on the systematic presentation of these classes of hybrid systems along with the relationships between the hybrid systems and the corresponding symbolic models. To show how the existence of symbolic models can be used for verification and controller synthesis, the book also outlines several key results for the verification and controller design of finite systems. Several examples illustrate the different methods and techniques discussed in the book.
Download or read book Hybrid Systems III written by Rajeev Alur and published by Springer. This book was released on 1996-04-24 with total page 619 pages. Available in PDF, EPUB and Kindle. Book excerpt: This reference book documents the scientific outcome of the DIMACS/SYCON Workshop on Verification and Control of Hybrid Systems, held at Rutgers University in New Brunswick, NJ, in October 1995. A hybrid system consists of digital devices that interact with analog environments. Computer science contributes expertise on the analog aspects of this emerging field of interdisciplinary research and design. The 48 revised full papers included were strictly refereed; they present the state of the art in this dynamic field with contributions by leading experts. Also available are the predecessor volumes published in the same series as LNCS 999 and LNCS 736.
Book Synopsis Formal Modeling and Verification of Cyber-Physical Systems by : Rolf Drechsler
Download or read book Formal Modeling and Verification of Cyber-Physical Systems written by Rolf Drechsler and published by Springer. This book was released on 2015-06-05 with total page 324 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents the lecture notes of the 1st Summer School on Methods and Tools for the Design of Digital Systems, 2015, held in Bremen, Germany. The topic of the summer school was devoted to modeling and verification of cyber-physical systems. This covers several aspects of the field, including hybrid systems and model checking, as well as applications in robotics and aerospace systems. The main chapters have been written by leading scientists, who present their field of research, each providing references to introductory material as well as latest scientific advances and future research directions. This is complemented by short papers submitted by the participating PhD students.
Download or read book Hybrid Systems III written by Rajeev Alur and published by Springer. This book was released on 2014-03-12 with total page 619 pages. Available in PDF, EPUB and Kindle. Book excerpt: This reference book documents the scientific outcome of the DIMACS/SYCON Workshop on Verification and Control of Hybrid Systems, held at Rutgers University in New Brunswick, NJ, in October 1995. A hybrid system consists of digital devices that interact with analog environments. Computer science contributes expertise on the analog aspects of this emerging field of interdisciplinary research and design. The 48 revised full papers included were strictly refereed; they present the state of the art in this dynamic field with contributions by leading experts. Also available are the predecessor volumes published in the same series as LNCS 999 and LNCS 736.
Book Synopsis Integrating Formal Verification and Simulation of Hybrid Systems by : Vitaly Savicks
Download or read book Integrating Formal Verification and Simulation of Hybrid Systems written by Vitaly Savicks and published by . This book was released on 2016 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Hybrid Systems written by Robert Grossman and published by Springer. This book was released on 1993 with total page 488 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Hybrid systems are networks of interacting digital and analog devices. Control systems for inherently unstable aircraft and computer aided manufacturing are typical applications for hybrid systems, but due to the rapid development of processor and circuit technology modern cars and consumer electronics use software to control physical processes. The identifying characteristic of hybrid systems is that they incorporate both continuous components governed by differential equations and also digital components - digital computers, sensors, and actuators controlled by programs. This volume of invited refereed papers is inspired by a workshop on the Theory of Hybrid Systems, held at the Technical University, Lyngby, Denmark, in October 1992, and by a prior Hybrid Systems Workshop, held at Cornell University, USA, in June 1991, organized by R.L. Grossman and A. Nerode. Some papers are the final versions of papers presented at these workshops and some are invited papers from other researchers who were not able to attend these workshops."--PUBLISHER'S WEBSITE.
Book Synopsis Advanced Computing and Systems for Security: Volume 14 by : Rituparna Chaki
Download or read book Advanced Computing and Systems for Security: Volume 14 written by Rituparna Chaki and published by Springer Nature. This book was released on 2021-09-21 with total page 213 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book features extended versions of selected papers that were presented and discussed at the 8th International Doctoral Symposium on Applied Computation and Security Systems (ACSS 2021), held in Kolkata, India, on April 9–10, 2021. Organized by the Departments of Computer Science & Engineering and A. K. Choudhury School of Information Technology at the University of Calcutta, the symposium’s international partners were Ca' Foscari University of Venice, Italy, and Bialystok University of Technology, Poland. The topics covered include biometrics, image processing, pattern recognition, algorithms, cloud computing, wireless sensor networks, and security systems, reflecting the various symposium sessions.
Book Synopsis Modeling, Design, and Simulation of Systems with Uncertainties by : Andreas Rauh
Download or read book Modeling, Design, and Simulation of Systems with Uncertainties written by Andreas Rauh and published by Springer Science & Business Media. This book was released on 2011-06-06 with total page 356 pages. Available in PDF, EPUB and Kindle. Book excerpt: To describe the true behavior of most real-world systems with sufficient accuracy, engineers have to overcome difficulties arising from their lack of knowledge about certain parts of a process or from the impossibility of characterizing it with absolute certainty. Depending on the application at hand, uncertainties in modeling and measurements can be represented in different ways. For example, bounded uncertainties can be described by intervals, affine forms or general polynomial enclosures such as Taylor models, whereas stochastic uncertainties can be characterized in the form of a distribution described, for example, by the mean value, the standard deviation and higher-order moments. The goal of this Special Volume on Modeling, Design, and Simulation of Systems with Uncertainties is to cover modern methods for dealing with the challenges presented by imprecise or unavailable information. All contributions tackle the topic from the point of view of control, state and parameter estimation, optimization and simulation. Thematically, this volume can be divided into two parts. In the first we present works highlighting the theoretic background and current research on algorithmic approaches in the field of uncertainty handling, together with their reliable software implementation. The second part is concerned with real-life application scenarios from various areas including but not limited to mechatronics, robotics, and biomedical engineering.
Author :Dimitrios Hristu-Varsakelis Publisher :Springer Science & Business Media ISBN 13 :0817644040 Total Pages :808 pages Book Rating :4.8/5 (176 download)
Book Synopsis Handbook of Networked and Embedded Control Systems by : Dimitrios Hristu-Varsakelis
Download or read book Handbook of Networked and Embedded Control Systems written by Dimitrios Hristu-Varsakelis and published by Springer Science & Business Media. This book was released on 2007-11-14 with total page 808 pages. Available in PDF, EPUB and Kindle. Book excerpt: The vast majority of control systems built today are embedded; that is, they rely on built-in, special-purpose digital computers to close their feedback loops. Embedded systems are common in aircraft, factories, chemical processing plants, and even in cars–a single high-end automobile may contain over eighty different computers. The design of embedded controllers and of the intricate, automated communication networks that support them raises many new questions—practical, as well as theoretical—about network protocols, compatibility of operating systems, and ways to maximize the effectiveness of the embedded hardware. This handbook, the first of its kind, provides engineers, computer scientists, mathematicians, and students a broad, comprehensive source of information and technology to address many questions and aspects of embedded and networked control. Separated into six main sections—Fundamentals, Hardware, Software, Theory, Networking, and Applications—this work unifies into a single reference many scattered articles, websites, and specification sheets. Also included are case studies, experiments, and examples that give a multifaceted view of the subject, encompassing computation and communication considerations.
Book Synopsis Optimization-based Methods for Nonlinear and Hybrid Systems Verification by : Stephen Prajna
Download or read book Optimization-based Methods for Nonlinear and Hybrid Systems Verification written by Stephen Prajna and published by . This book was released on 2005 with total page 204 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Fundamental Approaches to Software Engineering by : Heike Wehrheim
Download or read book Fundamental Approaches to Software Engineering written by Heike Wehrheim and published by Springer Nature. This book was released on 2020-04-20 with total page 552 pages. Available in PDF, EPUB and Kindle. Book excerpt: This open access book constitutes the proceedings of the 23rd International Conference on Fundamental Approaches to Software Engineering, FASE 2020, which took place in Dublin, Ireland, in April 2020, and was held as Part of the European Joint Conferences on Theory and Practice of Software, ETAPS 2020. The 23 full papers, 1 tool paper and 6 testing competition papers presented in this volume were carefully reviewed and selected from 81 submissions. The papers cover topics such as requirements engineering, software architectures, specification, software quality, validation, verification of functional and non-functional properties, model-driven development and model transformation, software processes, security and software evolution.
Book Synopsis Hybrid Systems: Computation and Control by : Manfred Morari
Download or read book Hybrid Systems: Computation and Control written by Manfred Morari and published by Springer. This book was released on 2005-02-25 with total page 695 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book constitutes the refereed proceedings of the 8th International Workshop on Hybrid Systems: Computation and Control, HSCC 2005, held in Zurich, Switzerland in March 2005. The 40 revised full papers presented together with 2 invited papers and the abstract of an invited talk were carefully reviewed and selected from 91 submissions. The papers focus on modeling, analysis, and implementation of dynamic and reactive systems involving both discrete and continuous behaviors. Among the topics addressed are tools for analysis and verification, control and optimization, modeling, engineering applications, and emerging directions in programming language support and implementation.
Book Synopsis Compositional Verification of Hybrid Systems Using Simulation Relations by : Goran Fedja Frehse
Download or read book Compositional Verification of Hybrid Systems Using Simulation Relations written by Goran Fedja Frehse and published by . This book was released on 2005 with total page 204 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis NASA Formal Methods by : Ritchie Lee
Download or read book NASA Formal Methods written by Ritchie Lee and published by Springer Nature. This book was released on 2020-08-10 with total page 448 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book constitutes the proceedings of the 12th International Symposium on NASA Formal Methods, NFM 2020, held in Moffett Field, CA, USA, in May 2020.* The 20 full and 5 short papers presented in this volume were carefully reviewed and selected from 62 submissions. The papers are organized in the following topical sections: learning and formal synthesis; formal methods for DNNs; high assurance systems; requirement specification and testing; validation and solvers; solvers and program analysis; verification and times systems; autonomy and other applications; and hybrid and cyber-physical systems. *The conference was held virtually due to the COVID-19 pandemic. The chapter “Verifying a Solver for Linear Mixed Integer Arithmetic in Isabelle/HOL” is available open access under a Creative Commons Attribution 4.0 International License via link.springer.com.
Book Synopsis Approximation Based Safety and Stability Verification of Hybrid Systems by : Pavithra Prabhakar
Download or read book Approximation Based Safety and Stability Verification of Hybrid Systems written by Pavithra Prabhakar and published by . This book was released on 2011 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: With the advent of computers to control various physical processes, there has emerged a new class of systems which contain tight interactions between the "discrete" digital world and the "continuous" physical world. These systems which exhibit mixed discrete-continuous behaviors, called "hybrid systems", are present everywhere - in automotives, aeronautics, medical devices, robotics - and are often deployed in safe-critical applications. Hence, reliability of the performance of these systems is a very important issue, and this thesis concerns automatic verification of their models to improve the confidence in these systems. Automatic verification of hybrid systems is an extremely challenging task, owing to the many undecidability results in the literature. Automated verification has been seen to be feasible for only simple classes of systems. These observations have emphasized the need for simplifying the complexity of the system before applying traditional verification techniques. This thesis explores the feasibility of such an approach for verifying complex systems. In this thesis, we take the approach of verifying a complex system by approximating it to a "simpler" system. We consider two important classes of properties that are required of hybrid systems in practice, namely, "safety" and "stability". Intuitively, safety properties are used to express the fact that something bad does not happen during the execution of the system; and stability is used to capture the notion that small perturbations in the initial conditions or inputs to the system, do not result in drastic changes in the behaviors of the system. For safety verification, we present two techniques for approximation, an error based technique which allows one to compute as precise an approximation as desirable in terms of a quantified error between the original and the approximate system, and a property based technique which takes into account the property being analysed in constructing and refining the approximate system. With regard to error based approximation, we provide a technique for approximating a general hybrid system to a polynomial hybrid system with bounded error. The above technique is in general semi-automatic; and we present a fully automatic efficient method for analysing a subclass of hybrid systems by constructing piecewise polynomial approximations. In terms of property based approximation, we propose a novel "counterexample guided abstraction refinement" (CEGAR) technique called "hybrid CEGAR", which constructs a hybrid abstraction of a system unlike the previous methods which were based on constructing finite state abstractions. Our method has several advantages in terms of simplifying the various subroutines in an iteration of the CEGAR loop. We have implemented the hybrid CEGAR algorithm for a subclass of hybrid systems called "rectangular hybrid systems" in a tool called HARE, and the experimental results show that the method has the potential to scale. Though automated verification of safety properties has been well studied, verification of stability properties is still in its preliminary stages with respect to automation. In this thesis, we present certain foundational results which could potentially be used to develop automated methods for analysis of stability properties. We present a framework for verifying "asymptotic" stability or convergence of (distributed) hybrid systems which operate in discrete steps. We then ask a fundamental question related to approximation based verification, namely, what kinds of simplifications preserve stability properties? It turns out that stability properties are not invariant under bisimulation which is a canonical transformation under which various discrete-time properties (including safety) are known to be invariant. We enrich bisimulation with uniform continuity conditions which suffice to preserve various stability properties. These reductions are widely prevelant in the traditional techniques for stability analysis thereby emphasizing the potential use of these techniques for stability verification by approximation.
Book Synopsis Validation of Stochastic Systems by : Christel Baier
Download or read book Validation of Stochastic Systems written by Christel Baier and published by Springer. This book was released on 2004-08-26 with total page 473 pages. Available in PDF, EPUB and Kindle. Book excerpt: This tutorial volume presents a coherent and well-balanced introduction to the validation of stochastic systems; it is based on a GI/Dagstuhl research seminar. Supervised by the seminar organizers and volume editors, established researchers in the area as well as graduate students put together a collection of articles competently covering all relevant issues in the area. The lectures are organized in topical sections on: modeling stochastic systems, model checking of stochastic systems, representing large state spaces, deductive verification of stochastic systems.
