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Topic: Real-time computing

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Real-time - Wikipedia, the free encyclopedia It has been suggested that Real-time computing be merged into this article or section. The ability of a company to process its data in real time increases the competitiveness of the company. Real stores (and real real-time systems) often need better than real-time performance, and worst-case scenarios must be carefully evaluated. en.wikipedia.org /wiki/Real-time   (751 words)

Integrating Knowledge Management Technologies in Organizational Business Processes: Getting Real Time Enterprises to Deliver Real Business Performance Real time enterprises provide real time information to employees, customers, suppliers, and partners and implement processes to ensure that all information is current and consistent across all systems, minimizing batch and manual processes related to information. Real time enterprises are organizations that enable automation of processes spanning different systems, media, and enterprise boundaries. At the time of the writing, technology sales forecasts are gloomy because of the distrust of business executives who were previously oversold on the capabilities of technologies to address real business threats and opportunities. www.kmnetwork.com /RealTime.htm   (10665 words)

Real-Time Research at Boston University Real-Time Computing is a generic enabling technology for many important applications, including multimedia, financial trading systems, air-traffic control systems, robotics, and process control, just to name a few. In a real-time system, the use of such algorithms may be detrimental, making it necessary to craft new algorithms that aim at minimizing the ``percentage of missed deadlines'', for instance. The environments in which such computing systems are embedded pose relatively rigid requirements on their performance. www.cs.bu.edu /groups/realtime/Home.html   (150 words)

Real Time Computing Innovative, application and programming language oriented real time computer architectures are being designed which satisfy the predictability requirements and which keep the semantic gap, that has to be filled by an operating system, as small as possible. Owing to the intrinsic problems of real time operation as outlined above, the chair bases its research on working out fundamental principles, in particular with respect to the concept of time in computer science and engineering. As the temporal behaviour of presently available computing systems is predictable in exceptional cases at most, a wide and extremely important research field exists, that is being addressed by the chair. www.fernuni-hagen.de /IT/eng/old-eng/node3.html   (352 words)

Glossary of Industrial Automation Terms Relating to the electrical interconnection between the computer and peripheral units (for instance, a printer) in which data is transmitted 1 bit at a time over a single wire. Computer systems or application programs which are outdated and incompatible with other systems, but are too costly to replace or redesign. Allows the control of motion in an accurate and programmable manner through use of a dedicated computer within a numerical control unit, with a capability of local data input such that machine tools are freed from the need for "hard-wired" controllers. www.bbdsoft.com /glossary.html   (2757 words)

Formal Methods for Real-Time Computing A timed automaton accepts timed words --- infinite sequences in which a real-valued time of occurrence is associated with each symbol. Timing constraints are then postulated between these inputs and outputs; they express properties such as end-to-end propagation delay, temporal input-sampling correlation, and allowable separation times between updated output values. We study timed automata from the perspective of formal language theory: we consider closure properties, decision problems, and subclasses. chacs.nrl.navy.mil /5540/books/realtime/abstracts.html   (1372 words)

Real Time Enterprises, Inc. - Network Security & Consulting, Linux Firewalls, Web Services and Internet Connectivity Real Time Enterprises realizes that the technology needs of businesses and nonprofit organizations vary from specific network services or consulting work to special, turnkey projects. Real Time offers Security Consulting in the form of security audits, firewall installations, and in VPN implementations. Real Time provides solutions to meet your goals. www.real-time.com   (360 words)

Real time data acquisition The concept of interrupts is vital to real-time computing. Computers used to acquire data in science experiments, in industrial control systems, aerospace applications and some other contexts differ from the "normal", everyday computer most people know in the sense that they are generally "real-time" computers. Real-time means that both hardware and software must be capable of interacting with physical "events" external to the computer itself, and this interaction must be sufficiently fast as to capture and preserve the essential information associated with the event. lynx.uio.no /rt.html   (339 words)

Real-Time Computing Applications - MSc/Postgraduate Diploma - Nottingham Trent University The Real Time Computing Application courses within the School are taught by highly experienced staff members, many of whom are involved with cutting-edge research that ensures their teaching remains at the forefront of computing technology. Based within the new, purpose-built, £8 million building of the School of Computing and Informatics, we are able to offer postgraduates the option to study either a Postgraduate Diploma or MSc in Real Time Computing Application. We’ve invested heavily in computing facilities, which include multiple networked computer rooms, multimedia editing suites and specialist labs for imaging, networks and communications for the use of computing and informatics students. www.ntu.ac.uk /postgrad/coursefinder/index.cfm?p=2&course=ADCB8918-981F-4017-8DAE-D5DCA92B8050   (1313 words)

What is real time? - A Word Definition From the Webopedia Computer Dictionary Real time can also refer to events simulated by a computer at the same speed that they would occur in real life. The On Time site provides information on their real-time multitasking kernel for C and PASCAL, and the cross development system for 32-bit embedded systems. They are used for such tasks as navigation, in which the computer must react to a steady flow of new information without interruption. www.webopedia.com /TERM/I/real_time.html   (537 words)

Amazon.com: Hard Real-Time Computing Systems (The International Series in Engineering and Computer Science): Books After introducing the basic concepts of real-time computing, the book covers such topics as taxonomy of scheduling algorithms, models of tasks with explicit time constraints, handling tasks with precedence relations, periodic and aperiodic task scheduling, access protocols to shared resources, asynchronous communication mechanisms, schedulability analysis, and handling overload conditions. Hard Real-Time Computing Systems: Predictable Scheduling Algorithms and Applications was written for use as a textbook and serves as an excellent reference for those interested in real-time computing for designing and/or developing predictable control applications, which may include robotics, plant control, monitoring systems, data acquisition, simulations of real-world systems, virtual reality, interactive games, etc. The main objectives of the book are to introduce the basic concepts of real-time computing, illustrate the most significant results in the field, and provide the basic methodologies for designing predictable computing systems which can be used to support critical control applications. www.amazon.com /exec/obidos/tg/detail/-/0792399943?v=glance   (1169 words)

CPSC 663 -- Real-Time Systems (Fall 2001) From being traditionally confined to areas of embedded and/or control systems, where timing constraints have played an important role for a long time, real-time issues now find more and more the interest of the computing community at large. Real-time computing means computing so that things get done in time. This course is designed to provide the student with the theoretical foundations for the design and synthesis of real-time systems and applications; it also presents criteria used to evaluate and validate such systems. www.cs.tamu.edu /faculty/bettati/Courses/663/Fall-2001/course_homepage.html   (669 words)

FAULT-TOLERANT AND REAL-TIME DISTRIBUTED COMPUTING. Progress was made on a number of problems in the areas of fault- tolerant and real-time computing. Programming logics were investigated for reasoning about distributed programs that must satisfy real-time constraints, must interact with a continuous physical environment, and whose correctness depends on properties of schedulers and degree of resource Contention. quanterion.com /Documents/Documents.asp?ArgVal=851   (102 words)

Real-Time Computing & Control Details of these may be altered for practical computing reasons during the semester; if so, students will be notified by email and the details will be documented on this subject website. A copy of the User's Guide to Turbo Pascal Version 5 (only some object-oriented extensions differentiated 5.5 from 5) is at the main service desk for Building 11 on floor B, available for loan in exchange for your ID card, like handouts. The second essential document is RTCC Lecture Notes (copies of the lecture overheads). www.ise.canberra.edu.au /u4605   (529 words)

Comp.RealTime NewsGroup FAQ Real-Time Systems: Real-Time Systems is a journal on time-critical computing systems. RTC Magazine: The RTC Magazine (before "The Real-Times"), not to confuse with Real-Time Magazine, is a more commercial publication which supports the RTC shows in the US and Europe. It would be soft real time if the robot arriving late meant a loss of throughput. www.dedicated-systems.com /encyc/publications/faq/rtfaq.htm   (4976 words)

Netrino Technical Library - embedded software, real-time systems, reconfigurable computing, C, C++, Java, programming Memory tests need to be constructed carefully, so that they: (a) require as little time as possible to complete, (b) detect the most frequent problems without fail, and (c) provide useful information about the source of any problem that is found. But all we really ask is that you respect the specific copyright notice at the top of each page. Fortunately, some new techniques are emerging from the study of reconfigurable computing that make it possible to design systems that satisfy all three requirements simultaneously. www.netrino.com /Publications   (2674 words)

The RTC Group RTC in its second year of producing the ARM Developers’ Conference continues to push attendance higher. RTC Publications – All advertisements, Editorial and product profiles will be tied to our RTLD system, giving the readers immediate access to client resources. Often copied but never duplicated, RTC is proud of its track record of blazing new trails in search of marketing value for our clients. www.rtcgroup.com   (394 words)

Real Time Computing Real Time Computing provides real-time software and electronic design services. Real Time Computing Limited, Registered in England No: 4569930, Registered Office: 67 Addison Road, Hove, East Sussex, We also have knowledge of legacy mainframe computers (SEL / Encore, Harris, Concurrent) used in the operation of flight simulators. www.realtimecomputing.com   (548 words)

The World Wide Web Virtual Library: Safety-Critical Systems The current focus is on the use of rigorous mathematics through formal methods to create fault-tolerant and secure real-time distributed computing systems. The Center for High Assurance Computing Systems at Information Technology Division of the Naval Research Laboratory conducts interdisciplinary research and development in techniques for processing and communicating data that preserve critical system properties such as safety. Safety Critical Computing Group, School of Computer Studies, University of Leeds, UK. www.comlab.ox.ac.uk /archive/safety.html   (2510 words)

Real-Time Systems at the University of Maryland Real-Time Systems at College Park: Real-time computing forms a cornerstone of our systems and software research at the University of Maryland, and we are pursuing projects in a variety of inter-related areas: Design, specification, analysis, programming languages, scheduling technologies, operating systems, networking, multi-media and artificial intelligence. Real-Time Systems: Real-time computing systems play a leading role in many contemporary applications. From nuclear reactors to animation software, from medical imaging systems to automobiles, you will usually find real-time software controlling the time-dependent operations. www.cs.umd.edu /projects/realtime   (143 words)

COTS Journal Without them, even the most advanced embedded computers and the fastest I/O boards are nothing but lifeless hunks of metal and plastic. In contrast, the people of the older generation are immigrants to this era, and are less comfortable adapting in it. The basic idea is today’s generation of kids were born and raised in a digital world of computers, the Internet, cell phones, CDs, DVDs, mp3 players and so on. www.cotsjournalonline.com   (236 words)

03/10/00 - ENCORE PORTS IT'S REAL-TIME ENVIRONMENT (RTE) TO SOLARIS OPERATING ENVIRONMENT The Solaris 7 Operating Environment coupled with Encore's RTE offers an unparalleled solution to preparing computer systems for the myriad of high-demand real-time computing challenges of the 21st century. Encore's legacy computer replacement system (LCRS) together with the Solaris Operating Environment will enable government agencies and commercial businesses to replace aging computer systems with a state-of-the-art commercial off the shelf (COTS) system configuration that is capable of performing the high-end functions associated with high-demand real-time operations. Since its inception in 1982, a singular vision -- The Network is The Computer™ -- has propelled Sun Microsystems (Nasdaq:SUNW) to its position as a leading provider of industrial-strength hardware, software and services that power the Internet and allow companies worldwide to ".com" their businesses. www.sun.com /smi/Press/sunflash/2000-03/sunflash.20000310.1.html   (525 words)

Real-Time Systems Laboratory The Real-Time Systems Laboratory (RTSL) performs research on all aspects of real-time computing systems. stablished more than 20 years ago, the Real-Time Systems Laboratory has been pioneering the area of real-time computing. A real-time system must not only produce logically correct results, but it must also produce them with certain timing constraints. www-rtsl.cs.uiuc.edu   (118 words)

Distributed Systems Research Group - Overview The group's research interests are in the areas of mobile computing, real-time systems and fault tolerant distributed computing. A utility computing environment will be capable of supporting services with arbitrarily large resource requirements by dynamically acquiring and securely managing resources from service providers as the need arises. A closely related theme is investigation of ways of building highly-reliable distributed computing systems intended to support services that are expected to be continuously available using standard components, such as commodity UNIX servers and CORBA middleware services. arjuna.ncl.ac.uk   (854 words)

Rate-Based Execution Models For Real-Time Multimedia Computing Support For Real-Time Computing Within General Purpose Operating Systems: Supporting co-resident operating systems, G. Bollella and K. Jeffay, Proceedings of the IEEE Real-Time Technology and Applications Symposium, Chicago, IL, May 1995, pp. The implementation of rate-based computing was done in the YARTOS real-time microkernel: The premise of this lecture is that "traditional" real-time systems support is a poor tool for realizing the requirements of real-time multimedia applications. www.cs.unc.edu /~jeffay/courses/pisa/references.html   (877 words)

Real-Systems Laboratory, University of Massachusetts Support for real-time computing in general purpose operating systems. Our areas of interest include architectural and operating system support for hard real-time systems, scheduling mechanisms for multi-tasking environments under dynamic conditions, and the composable design of adaptable software systems that integrate hard real-time with fault-tolerance, including issues relating to the design-time and run-time assurance of their correctness, timeliness, predicatibility and reliability properties. The Real-Time Systems Laboratory is part of Computer Science at the University of Massachusetts. www-ccs.cs.umass.edu /rts.html   (178 words)

Formal Methods For Real-Time Computing; Author: Heitmeyer, Constance; Author: With Milano, Politecnico; Paperback Formal Methods For Real-Time Computing; Author: Heitmeyer, Constance; Author: With Milano, Politecnico; Paperback For safety-critical computer sustems, like air-traffic control or security systems, real-time development is crucial. This book covers state-of-art developments of formal methods for creating real-time systems that will satisfy critical timing requirements. www.netstoreusa.com /cbbooks/047/0471958352.shtml   (224 words)

Formal Methods for Real-Time Computing This book surveys the state-of-the-art techniques and the state-of-practice approaches in formal methods for real-time computing. Included are chapters on the Modechart language, the I/O Timed Automaton model, the Duration Calculus, Timed LOTOS, a real-time process algebra called the Algebra of Communicating Shared Resources, Timed Petri Nets, the real-time logic TRIO, automata-theoretic verification, symbolic model checking, and an end-to-end design methodology for guaranteeing requirements of real-time systems. There is growing recognition of the crucial role of timing in many computer systems, especially safety-critical systems. chacs.nrl.navy.mil /books/realtime/overview.html   (374 words)

Real-Time Computing & Control I should have worked out that the information available to you, about looking up the system time in Turbo Pascal, was not really complete. Light control is a matter of calling GetTime till some simple arithmetic indicates that the time has changed by 3, 5, etc. seconds since this phase of the lights was started... If they were the same we still wouldn't use the Pentiums, because we couldn't afford to assign them only to the RTCC special devices, and so you would continually have to fight for access. www.ise.canberra.edu.au /u4605/2001faq.html   (1510 words)

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