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Haidar, Ghayath. "Reasoning system for real time reactive systems." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape3/PQDD_0018/MQ47844.pdf.
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Ord, Leslie B. "Real-time stereo image matching for a real time photogrammetry system." Thesis, University of Aberdeen, 1997. http://digitool.abdn.ac.uk/R?func=search-advanced-go&find_code1=WSN&request1=AAIU603183.
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With the development of powerful, relatively low cost, digital image processing hardware capable of handling multiple image streams, it has become possible to implement affordable digital photogrammetry systems based on this technology. In addition, high speed versions of this hardware have the ability to manipulate these image streams in 'realtime', enabling the photogrammetry systems developed to expand their functionality from the off-line surveying of conventional photogrammetry to more time-critical domains such as object tracking and control systems. One major hurdle facing these 'real-time' photogrammetry systems is the need to extract the corresponding points from the multiple input images in order that they may be processed and measurements obtained. Even a highly skilled operator is not capable of manually processing the images in such a time that the speed of operation of the system would not be severely compromised. Thus an automatic system of matching these points is required. The use of automated point matching in the field of photogrammetry has been extensively investigated in the past. The objective has, however, been primarily to reduce the need for trained operators employed in the extraction of data from conventional photogrammetric studies and in the automation of data extraction from large data sets. The work presented here attempts to adapt these methods to the more time dominated problem of 'real-time' image matching.
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Zhu, Jian Ke. "Real-time face recognition system." Thesis, University of Macau, 2005. http://umaclib3.umac.mo/record=b1636556.
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Cho, Gyuchoon. "Real Time Driver Safety System." TopSCHOLAR®, 2009. http://digitalcommons.wku.edu/theses/63.
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The technology for driver safety has been developed in many fields such as airbag system, Anti-lock Braking System or ABS, ultrasonic warning system, and others. Recently, some of the automobile companies have introduced a new feature of driver safety systems. This new system is to make the car slower if it finds a driver’s drowsy eyes. For instance, Toyota Motor Corporation announced that it has given its pre-crash safety system the ability to determine whether a driver’s eyes are properly open with an eye monitor. This paper is focusing on finding a driver’s drowsy eyes by using face detection technology.
The human face is a dynamic object and has a high degree of variability; that is why face detection is considered a difficult problem in computer vision. Even with the difficulty of this problem, scientists and computer programmers have developed and improved the face detection technologies. This paper also introduces some algorithms to find faces or eyes and compares algorithm’s characteristics.
Once we find a face in a sequence of images, the matter is to find drowsy eyes in the driver safety system. This system can slow a car or alert the user not to sleep; that is the purpose of the pre-crash safety system. This paper introduces the VeriLook SDK, which is used for finding a driver’s face in the real time driver safety system. With several experiments, this paper also introduces a new way to find drowsy eyes by AOI,Area of Interest. This algorithm improves the speed of finding drowsy eyes and the consumption of memory use without using any object classification methods or matching eye templates. Moreover, this system has a higher accuracy of classification than others.
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Lo, Haw-Jing. "Real-time stereoscopic vision system." Thesis, Georgia Institute of Technology, 2003. http://hdl.handle.net/1853/14911.
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Fu, Jieyun. "Real-time speech animation system." Thesis, Massachusetts Institute of Technology, 2011. http://hdl.handle.net/1721.1/66416.
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Thesis (M. Eng.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2011.Cataloged from PDF version of thesis.
Includes bibliographical references (p. 48-49).
We optimize the synthesis procedure of a videorealistic speech animation system [7] to achieve real-time speech animation synthesis. A synthesis rate must be high enough for real-time video streaming for speech animation systems to be viable in industry and deployed as applications for user machine interactions and real-time dialogue systems. In this thesis we apply various approaches to develop a parallel system that is capable of synthesizing real-time videos and is adaptable to various distributed computing architectures. After optimizing the synthesis algorithm, we integrate a videorealistic speech animation system, called Mary101, with a speech synthesizer, a speech recognizer, and a RTMP server to implement a web-based text to speech animation system.
by Jieyun Fu.
M.Eng.
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Roker, I. G. R. J. "A real-time operating system." Thesis, University of Bath, 1986. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.375638.
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Muqtadir, Abdul. "Real-time finance management system." CSUSB ScholarWorks, 2006. https://scholarworks.lib.csusb.edu/etd-project/2992.
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Discusses the development of a real-time finance management system (RFMS) computer application. RFMS lets users learn about and manage their personal finances and stock portfolio. Finances can be managed using management tools and calculators. The program uses a Java/XML based approach where real-time market data from different stock exchanges is fetched and displayed for the user. Stock performance can then be graphed.
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Chadha, Sanjay. "A real-time system for multi-transputer systems." Thesis, University of British Columbia, 1990. http://hdl.handle.net/2429/29465.
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Two important problems namely a versatile, efficient communication system and allocation
of processors to processes are analysed.
An efficient communication system has been developed, in which a central controller, the bus-master, dynamically configures the point-to-point network formed by the links of the transputers. The links are used to form a point-to-point network. An identical kernel resides on each of the nodes. This kernel is responsible for all communications on behalf of the user processes. It makes ConnectLink and ReleaseLink requests to the central controller and when the connections are made it sends the the messages through the connected link to the destination node.
If direct connection to the destination node cannot be made then the message is sent to an intermediate node, the message hops through intermediate nodes until it reaches the destination node.
The communication system developed provides low latency communication facility, and the system can easily be expanded to include a large number of transputers without increasing interprocess communication overhead by great extent.
Another problem, namely the Module Assignment Problem (MAP) is an important issue at the time of development of distributed systems. MAPs are computationally intractable, i.e. the computational requirement grows with power of the number of tasks to be assigned.
The load of a distributed system depends on both module execution times, and intermodule
communication cost (IMC). If assignment is not done with due consideration, a module assignment can cause computer saturation. Therefore a good assignment should
balance the processing load among the processors and generate minimum inter-processor communication (IPC) ( communication between modules not residing on the same processor).
Since meeting the deadline constraint is the most important performance measure for RTDPS, meeting the response time is the most important criteria for module assignment. Understanding this we have devised a scheme which assigns processes to processors such that both response time constraints and periodicity constraints are met. If such an assignment is not possible, assignment would fail and an error would be generated. Our assignment algorithm does not take into consideration factors such as load balancing. We believe that the most important factor for RTDPS is meeting the deadline constraints and that's what our algorithm accomplishes.Applied Science, Faculty of
Electrical and Computer Engineering, Department of
Graduate
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Pinnix, Justin Everett. "Operating System Kernel for All Real Time Systems." NCSU, 2001. http://www.lib.ncsu.edu/theses/available/etd-20010310-181302.
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PINNIX, JUSTIN EVERETT. Operating System Kernel for All Real Time Systems.(Under the direction of Robert J. Fornaro and Vicki E. Jones.)
This document describes the requirements, design, and implementation of OSKAR, ahard real time operating system for Intel Pentium compatible personal computers.OSKAR provides rate monotonic scheduling, fixed and dynamic priority scheduling,semaphores, message passing, priority ceiling protocols, TCP/IP networking, and globaltime synchronization using the Global Positioning System (GPS). It is intended toprovide researchers a test bed for real time projects that is inexpensive, simple tounderstand, and easy to extend.
The design of the system is described with special emphasis on design tradeoffs made toimprove real time requirements compliance. The implementation is covered in detail atthe source code level. Experiments to qualify functionality and obtain performanceprofiles are included and the results explained.
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Rixner, Scott. "Memory system architecture for real-time multitasking systems." Thesis, Massachusetts Institute of Technology, 1995. http://hdl.handle.net/1721.1/36599.
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Truong, Binh C. (Binh Chan) 1976. "Real-time system with non-real-time simulation for the power PC." Thesis, Massachusetts Institute of Technology, 2000. http://hdl.handle.net/1721.1/86571.
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Thesis (S.B. and M.Eng.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2000.Includes bibliographical references (leaf 47).
by Binh C. Truong.
S.B.and M.Eng.
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Wise, Mark R., and Francis G. Mahon. "The near real time information system." Thesis, Monterey, California : Naval Postgraduate School, 1988. http://hdl.handle.net/10945/23080.
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This thesis is a study in which the authors define and develop a U.S. Army requirement for automatic generation and distribution of near real time battlefield information for command and control. This information consists of identification, position, combat posture, and operational readiness, and allows commanders and staffs to more effectively and efficiently command and control U.S. forces on the AirLand battlefield. The proposed system interfaces with and complements the Army Tactical Command and Control system. Methodologies are developed and applied to determine operational and organizational requirements. A technical solution to the stated requirement is proposed and developed. The technical concept integrates mature, off the shelf, very low frequency, radar beacon and computer technologies in a realistic, technically feasible approach to generate the desired battlefield information. A methodology to assess operational merit is developed and applied to the concept. The proposed solution is shown to be a low cost, low risk, high payoff system which meets the stated requirement. The product of this work is an Operational and Organizational Plan. Keywords: Theses; Near real time information systems
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Shafie-Pour, A. R. "Real-time power system security assessment." Thesis, Durham University, 1989. http://etheses.dur.ac.uk/9303/.
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The increasing complexity of modern power systems has led to a greater dependence on automatic control at all levels of operation. Large scale systems of which a power system is a prime example, is an area in which a wide gap exists between theoretical mathematically based research and engineering practice. The research programme at Durham is directed towards bridging this gap by linking some of the available and new theoretical techniques with the practical requirements of on-line computer control in power systems. This thesis is concerned with the assessment of security of power systems in real-time operation. The main objective of this work was to develop a package to be incorporated in the University of Durham On line Control of Electrical Power Systems (OCEPS) suite to cater for network islanding and analyse the features and the feasibility of a real-time 'security package’ for modern energy control centres. The real-time power systems simulator developed at Durham was used to test the algorithms and numerical results obtained are presented.
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Bousnane, Kafiha. "Real-time power system dynamic simulation." Thesis, Durham University, 1990. http://etheses.dur.ac.uk/6623/.
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The present day digital computing resources are overburdened by the amount of calculation necessary for power system dynamic simulation. Although the hardware has improved significantly, the expansion of the interconnected systems, and the requirement for more detailed models with frequent solutions have increased the need for simulating these systems in real time. To achieve this, more effort has been devoted to developing and improving the application of numerical methods and computational techniques such as sparsity-directed approaches and network decomposition to power system dynamic studies. This project is a modest contribution towards solving this problem. It consists of applying a very efficient sparsity technique to the power system dynamic simulator under a wide range of events. The method used was first developed by Zollenkopf (^117) Following the structure of the linear equations related to power system dynamic simulator models, the original algorithm which was conceived for scalar calculation has been modified to use sets of 2 * 2 sub-matrices for both the dynamic and algebraic equations. The realisation of real-time simulators also requires the simplification of the power system models and the adoption of a few assumptions such as neglecting short time constants. Most of the network components are simulated. The generating units include synchronous generators and their local controllers, and the simulated network is composed of transmission lines and transformers with tap-changing and phase-shifting, non-linear static loads, shunt compensators and simplified protection. The simulator is capable of handling some of the severe events which occur in power systems such as islanding, island re-synchronisation and generator start-up and shut-down. To avoid the stiffness problem and ensure the numerical stability of the system at long time steps at a reasonable accuracy, the implicit trapezoidal rule is used for discretising the dynamic equations. The algebraisation of differential equations requires an iterative process. Also the non-linear network models are generally better solved by the Newton-Raphson iterative method which has an efficient quadratic rate of convergence. This has favoured the adoption of the simultaneous technique over the classical partitioned method. In this case the algebraised differential equations and the non-linear static equations are solved as one set of algebraic equations. Another way of speeding-up centralised simulators is the adoption of distributed techniques. In this case the simulated networks are subdivided into areas which are computed by a multi-task machine (Perkin Elmer PE3230). A coordinating subprogram is necessary to synchronise and control the computation of the different areas, and perform the overall solution of the system. In addition to this decomposed algorithm the developed technique is also implemented in the parallel simulator running on the Array Processor FPS 5205 attached to a Perkin Elmer PE 3230 minicomputer, and a centralised version run on the host computer. Testing these simulators on three networks under a range of events would allow for the assessment of the algorithm and the selection of the best candidate hardware structure to be used as a dedicated machine to support the dynamic simulator. The results obtained from this dynamic simulator are very impressive. Great speed-up is realised, stable solutions under very severe events are obtained showing the robustness of the system, and accurate long-term results are obtained. Therefore, the present simulator provides a realistic test bed to the Energy Management System. It can also be used for other purposes such as operator training.
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Bisson, Kenneth J. "AN INTEGRATED REAL-TIME MULTIPROCESSOR SYSTEM." International Foundation for Telemetering, 1992. http://hdl.handle.net/10150/608891.
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International Telemetering Conference Proceedings / October 26-29, 1992 / Town and Country Hotel and Convention Center, San Diego, CaliforniaThere are many applications that require multiple processors performing real-time tasks and communicating with each other over a common bus or memory. Aptec has developed a real-time multiprocessing system which reduces the integration effort needed in a custom designed system. The system uses commercially available Motorola 68000 series processors each running a real-time kernel. Software has been developed to extend the capabilities of the real-time kernel. This software is called Multiprocessor Services. The software allows tasks running on different processors to communicate with each other and a global shared memory. This paper describes the features of real-time multiprocessor hardware systems, and how the multiprocessor software coordinates the processors to operate as an integrated system.
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Allen, Michael P. "Real-Time Simulation for System Integration." International Foundation for Telemetering, 1993. http://hdl.handle.net/10150/611853.
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International Telemetering Conference Proceedings / October 25-28, 1993 / Riviera Hotel and Convention Center, Las Vegas, NevadaFunctional integration and validation of complex systems in an operational environment, prior to delivery or installation, can be expensive. Real-time simulation, in a lab environment, can replace hardware subsystems to provide the interfaces necessary to validate and or integrate the test article. The test article can be hardware, software or firmware. Multitasking simulations can provide modeling of subsystems and environmental sensor data for complex system integration. The simulation presented provides the capability to integrate 1553 remote terminals and provide validation of 1553 bus controller software.
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Crabtree, Steven B., and Bobby J. Feather. "REAL TIME UNIX TELEMETRY SUPPORT SYSTEM." International Foundation for Telemetering, 1990. http://hdl.handle.net/10150/613464.
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International Telemetering Conference Proceedings / October 29-November 02, 1990 / Riviera Hotel and Convention Center, Las Vegas, NevadaTelemetry applications today are requiring more and more computing power. The computing industry is responding to this need with more powerful machines. With these new machines the UNIX operating system is rapidly being accepted as the system of choice for the popular lowend and midrange RISC and CISC computers. The system discussed addresses the long standing question, “Can a complete UNIX system perform in a high-data-rate real-time environment?”. This paper describes the Loral Data Systems development of a Real-Time Data Transcription System (RDTS) built for Lawrence Livermore National Laboratory and TRW. This system utilizes a powerful telemetry preprocessor, internally bus-coupled to a real time UNIX host computer. An industry-standard VME-to-VME coupling provides an efficient setup, control and computational gateway for preprocessed telemetry data. This architecture illustrates a UNIX operating system to support a pseudo-real-time telemetry application.
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White, Allan P., and Richard K. Dean. "Real-Time Test Data Processing System." International Foundation for Telemetering, 1989. http://hdl.handle.net/10150/614650.
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International Telemetering Conference Proceedings / October 30-November 02, 1989 / Town & Country Hotel & Convention Center, San Diego, CaliforniaThe U.S. Army Aviation Development Test Activity at Fort Rucker, Alabama needed a real-time test data collection and processing capability for helicopter flight testing. The system had to be capable of collecting and processing both FM and PCM data streams from analog tape and/or a telemetry receiver. The hardware and software was to be off the shelf whenever possible. The integration was to result in a stand alone telemetry collection and processing system.
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Colbert, Michael Anestis. "A real-time optical measurement system." Thesis, Virginia Tech, 1990. http://hdl.handle.net/10919/41903.
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Blixt, Fanny. "Real-time auto-test monitoring system." Thesis, Luleå tekniska universitet, Institutionen för system- och rymdteknik, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-85824.
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At Marginalen Bank, there are several microservices containing endpoints that are covered bytest automation. The documentation of which microservices and endpoints that are covered byautomated tests is currently done manually and is proven to contain mistakes. In the documentation, the test coverage for all microservices together and for every individual microserviceis presented. Marginalen Bank needs a way to automate this process with a system that cantake care of test coverage documentation and present the calculated data. Therefore, the purpose of this research is to find a way to create a real-time auto-test monitoring system thatautomatically detects and monitors microservices, endpoints, and test automation to documentand present test automation coverage on a website. The system is required to daily detect andupdate the documentation to be accurate and regularly find eventual changes. The implemented system that detects and documents the test automation coverage is calledTest Autobahn. For the system to detect all microservices, a custom hosted service was implemented that registers microservices. All microservices with the custom hosted service installedand extended to registers to Test Autobahn when deployed on a server. For the system todetect all endpoints of each microservice, a custom middleware was implemented that exposesall endpoints of a microservice with it installed. For the microservices to be able to install theseand get registered, a NuGet package containing the custom hosted service and the custom middleware, was created. To detect test automations, custom attributes models were created thatare supposed to be inserted into each test automation project. The custom attributes are placedin every test class and method within a project, to mark which microservice and endpoint thatis being tested within every automated test. The attributes of a project can be read throughthe assembly. To read the custom attributes within every test automation project, a consoleapplication, called Test Autobahn Automation Detector (TAAD), was implemented. TAADreads the assembly to detect the test automations and sends them to Test Autobahn. Test Autobahn couples the found test automation to the corresponding microservices and endpoints.TAAD is installed and ran on the build pipeline in Azure DevOps for each test automationproject to register the test automations. To daily detect and update the documentation of the test coverage, Quartz.NET hosted serviceis used. With Quartz.NET implemented, Test Autobahn can execute a specified job on a schedule. Within the job, Test Autobahn detects microservices and endpoints and calculates the testautomation coverage for the detection. The calculation of the test coverage from the latestdetection is presented on the webpage, containing both the test coverage for all microservicestogether and the test coverage for each microservice. According to the evaluations, the systemseems to function as anticipated, and the documentation is displaying the expected data.
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Sundmark, Daniel. "Structural System-Level Testing of Embedded Real-Time Systems." Doctoral thesis, Västerås : School of Innovation, Design and Engineering, Mälardalen University, 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:mdh:diva-488.
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Yu, Ke. "Real-time operating system modelling and simulation using systemC." Thesis, University of York, 2010. http://etheses.whiterose.ac.uk/1088/.
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Increasing system complexity and stringent time-to-market pressure bring challenges to the design productivity of real-time embedded systems. Various System-Level Design (SLD), System-Level Design Languages (SLDL) and Transaction-Level Modelling (TLM) approaches have been proposed as enabling tools for real-time embedded system specification, simulation, implementation and verification. SLDL-based Real-Time Operating System (RTOS) modelling and simulation are key methods to understand dynamic scheduling and timing issues in real-time software behavioural simulation during SLD. However, current SLDL-based RTOS simulation approaches do not support real-time software simulation adequately in terms of both functionality and accuracy, e.g., simplistic RTOS functionality or annotation-dependent software time advance. This thesis is concerned with SystemC-based behavioural modelling and simulation of real-time embedded software, focusing upon RTOSs. The RTOS-centric simulation approach can support flexible, fast and accurate real-time software timing and functional simulation. They can help software designers to undertake real-time software prototyping at early design phases. The contributions in this thesis are fourfold. Firstly, we propose a mixed timing real-time software modelling and simulation approach with various timing related techniques, which are suitable for early software modelling and simulation. We show that this approach not only avoids the accuracy drawback in some existing methods but also maintains a high simulation performance. Secondly, we propose a Live CPU Model to assist software behavioural timing modelling and simulation. It supports interruptible and accurate software timing simulation in SystemC and extends modelling capability of the mixed timing approach for HW/SW interactions. Thirdly, we propose a RTOS-centric real-time embedded software simulation model. It provides a systematic approach for building modular software (including both application tasks and RTOS) simulation models in SystemC. It flexibly supports mixed timing application task models. The functions and timing overheads of the RTOS model are carefully designed and considered. We show that the RTOS-centric model is both convenient and accurate for real-time software simulation. Fourthly, we integrate TLM communication interfaces in the software models, which extend the proposed RTOS-centric software simulation model for SW/HW inter-module TLM communication modelling. As a whole, this thesis focuses on RTOS and real-time software modelling and simulation in the context of SystemC-based SLD and provides guidance to software developers about how to utilise this approach in their real-time software development. The various aspects of research work in this thesis constitute an integrated software Processing Element (PE) model, interoperable with existing TLM hardware and communication modelling.
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Wang, Limin. "Modeling and real-time feedback control of MEMS device." Morgantown, W. Va. : [West Virginia University Libraries], 2004. https://etd.wvu.edu/etd/controller.jsp?moduleName=documentdata&jsp%5FetdId=3711.
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Thesis (Ph. D.)--West Virginia University, 2004.Title from document title page. Document formatted into pages; contains v, 132 p. : ill. (some col.). Includes abstract. Includes bibliographical references (p. 128-132).
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Ding, Xu Chu. "Real-time optimal control of autonomous switched systems." Diss., Atlanta, Ga. : Georgia Institute of Technology, 2009. http://hdl.handle.net/1853/31725.
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Thesis (Ph.D)--Electrical and Computer Engineering, Georgia Institute of Technology, 2010.Committee Chair: Egerstedt, Magnus; Committee Co-Chair: Wardi, Yorai; Committee Member: Riley, George; Committee Member: Taylor, David; Committee Member: Tovey, Craig; Committee Member: Yezzi, Anthony. Part of the SMARTech Electronic Thesis and Dissertation Collection.
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O'Brien, Robert Philip. "Embedded System Design for Real-time Monitoring of Solitary Embedded System Design for Real-time Monitoring of Solitary." Scholar Commons, 2015. https://scholarcommons.usf.edu/etd/5546.
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Alzheimer's disease and other forms of dementia cause cognitive disabilities in the afflicted person. As a result, the person with dementia often requires assistance from a primary caregiver. However, while the caregiver is away from the home they are unaware of the person's status and may not be able to find out without returning to the home due to dementia's effects on cognition.
In this thesis work, a system of embedded devices is presented which tracks a solitary dementia patient in the home in real-time. The system is composed of three main hardware components. Multiple passive and active sensors are strategically placed to monitor the patient. A number of custom battery-powered embedded systems read the sensors and wirelessly transmit the sensor's values. A central computational node collects the wireless transmissions and analyzes the data. Two algorithms were developed that detect the patient's eating activities and location throughout the home from the sensor data. A web-based user interface was designed that allows a primary caregiver to remotely view the patient's status while away from the home.
Numerous trials are performed which test the system's ability to monitor the patient's eating activities and location. The positive results of the trials show that the proposed system is able to detect eating patterns as defined by rules and localize in real-time the patient in the home, accurate to a single quadrant of a room.
The proposed embedded system is highly affordable and has two novel features, namely eating detection and patient localization accurate to a single quadrant of any room in the home. Both features use sensors installed in the home and do not require the patient to wear any sensors on their person. The state-of-the-art products currently available are able to localize only to a single room without the patient wearing sensors.
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Khan, Taha. "Real-Time Recognition System for Traffic Signs." Thesis, Högskolan Dalarna, Datateknik, 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:du-3486.
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The aim of this thesis project is to develop the Traffic Sign Recognition algorithm for real time. Inreal time environment, vehicles move at high speed on roads. For the vehicle intelligent system itbecomes essential to detect, process and recognize the traffic sign which is coming in front ofvehicle with high relative velocity, at the right time, so that the driver would be able to pro-actsimultaneously on instructions given in the Traffic Sign. The system assists drivers about trafficsigns they did not recognize before passing them. With the Traffic Sign Recognition system, thevehicle becomes aware of the traffic environment and reacts according to the situation.The objective of the project is to develop a system which can recognize the traffic signs in real time.The three target parameters are the system’s response time in real-time video streaming, the trafficsign recognition speed in still images and the recognition accuracy. The system consists of threeprocesses; the traffic sign detection, the traffic sign recognition and the traffic sign tracking. Thedetection process uses physical properties of traffic signs based on a priori knowledge to detect roadsigns. It generates the road sign image as the input to the recognition process. The recognitionprocess is implemented using the Pattern Matching algorithm. The system was first tested onstationary images where it showed on average 97% accuracy with the average processing time of0.15 seconds for traffic sign recognition. This procedure was then applied to the real time videostreaming. Finally the tracking of traffic signs was developed using Blob tracking which showed theaverage recognition accuracy to 95% in real time and improved the system’s average response timeto 0.04 seconds. This project has been implemented in C-language using the Open Computer VisionLibrary.
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DAMASCHIN, MIHAI. "A real-time hand pose recognition system." Thesis, KTH, Skolan för datavetenskap och kommunikation (CSC), 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-142438.
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This thesis work aimed to reimplement and improve an existing system for hand pose recognition from monocular video data. The resulting system is light, multi-platform and easily extensible because of its modularity. It relies on treating the problem of hand pose estimation as a nearest neighbour look-up in a database of synthetically generated hand images. Its main characteristics are the use of HOGs (Histogram of Oriented Gradients) as features and employing temporal consistency for greater reliability and robustness. The paper also makes a review of the current hand pose recognition research and gives arguments for our choices of implementation both in terms of design and actual technology used.Arbetet med den här uppsatsen ämnade till att bygga om och förbättra ett befintligt system för handposeestimering. Det framtagna systemet är lättviktigt och plattformsoberoende samt lätt att utöka tack vare dess modularitet. Problemet med att estimera handposer behandlas som ett närmaste-grannsökning i en databas av syntetiskt framtagna bilder på händer. Systemets huvudsakliga egenskaper är användandet av HOGs (Histogram of Oriented Gradient) samt temporal konsistens för ökad pålitlighet och stabilitet. Uppsatsen innehåller också en studie av nuvarande forskning inom området och presenterar argument för vår implementation avseende både vilken design och vilken teknik som använts.
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Franklin, Steve. "A real-time interactive motion tracking system." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp03/MQ31573.pdf.
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Bao, Tong. "Real-time distributed control system using CORBA." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape8/PQDD_0025/MQ51292.pdf.
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Wang, Yun. "Real-time system design using preemption thresholds." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2001. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/NQ59233.pdf.
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Michiorri, Andrea. "Power system real-time thermal rating estimation." Thesis, Durham University, 2010. http://etheses.dur.ac.uk/469/.
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This Thesis describes the development and testing of a real-time rating estimation algorithm developed at Durham University within the framework of the partially Government-funded research and development project “Active network management based on component thermal properties”, involving Durham University, ScottishPower EnergyNetworks, AREVA-T&D, PB Power and Imass. The concept of real time ratings is based on the observation that power system component current carrying capacity is strongly influenced by variable environmental parameters such as air temperature or wind speed. On the contrary, the current operating practice consists of using static component ratings based on conservative assumptions. Therefore, the adoption of real-time ratings would allow latent network capacity to be unlocked with positive outcomes in a number of aspects of distribution network operation. This research is mainly focused on facilitating renewable energy connection to the distribution level, since thermal overloads are the main cause of constraints for connections at the medium and high voltage levels. Additionally its application is expected to facilitate network operation in case of thermal problems created by load growth, delaying and optimizing network reinforcements. The work aims at providing a solution to part of the problems inherent in the development of a real-time rating system, such as reducing measurements points, data uncertainty and communication failure. An extensive validation allowed a quantification of the performance of the algorithm developed, building the necessary confidence for a practical application of the system developed.
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Mawla, Aya Abdul. "Real time automatic intruder detection system (RAIDS)." Thesis, University of Bristol, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.319332.
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Snow, Daniel P. (Daniel Peter) 1974. "A system for real time 3D reconstruction." Thesis, Massachusetts Institute of Technology, 2000. http://hdl.handle.net/1721.1/86515.
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Rao, Nimisha 1979. "Real time tuned mass damper simulation system." Thesis, Massachusetts Institute of Technology, 2003. http://hdl.handle.net/1721.1/85733.
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Louw, Nicolaas Hendrik. "Real time full circuit driving simulation system." Thesis, Stellenbosch : Stellenbosch University, 2004. http://hdl.handle.net/10019.1/50077.
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Thesis (MScEng)--Stellenbosch Universit, 2004.ENGLISH ABSTRACT: The requirements regarding the quality of engines and vehicles have increased constantly, requiring more and more sophisticated engine testing. At the same time, there is a strong demand to reduce lead time and cost of development. For many years steady state engine testing was the norm using standard principles of power absorption. Since the mid 1980's increasing importance has been attached to the optimisation of transient engine characteristics and the simulation of dynamic real world driving situations on engine test stands. This has led to the use of bi-directional DC or AC regenerative dynamometers a practice now known as dynamic engine testing. Interfacing a computer with vehicle simulation software to an engine on a dynamic test stand and using "hardware in the loop" techniques, enables the simulation of real world driving situations in a test facility. In dynamic engine testing a distinction can be made between simulation testing and transient testing. In simulation testing the set point values are predetermined whereas in transient testing a model generates set point values in real time. Speeds and loads are calculated in real time on the basis of real time measurements. The model can be in the form of a human or driver simulation. This project involved the application of dynamic engine testing to simulating a racing application. It is termed Real Time Full Circuit Driving Simulation System due to the simulation of a race car circling a race track, controlled by a driver model and running the engine on a dynamic test bench in real time using "hardware in the loop" techniques. By measuring the simulated lap times for a certain engine configuration on the test bench in real time, it is possible to select the optimal engine set-up for every circuit. The real time nature of the simulation subjects the engine on the test bench to similar load and speed conditions as experienced by its racing counterpart in the race car yielding relevant results. The racing simulation was achieved by finding a suitable dynamic vehicle model and a three dimensional race track model, developing a control strategy, programming the software and testing the complete system on a dynamic test stand. In order to verify the simulation results it was necessary to conduct actual track testing on a representative vehicle. A professional racing driver completed three flying laps of the Killarney racing circuit in a vehicle fitted with various sensors including three axis orientation and acceleration sensors, a GPS and an engine control unit emulator for capturing engine data. This included lap time, vehicle accelerations, engine speed and manifold pressure, an indicator of driver input. The results obtained from the real time circuit simulation were compared to actual track data and the results showed good correlation. By changing the physical engine configuration in the hardware and gear ratios in the software, comparative capabilities of the system were evaluated. Again satisfactory results were obtained with the system clearly showing which configuration was best suited for a certain race track. This satisfies the modem trend of minimizing costs and development time and proved the value of the system as a suitable engineering tool for racing engine and drive train optimisation. The Real Time Full Circuit Driving Simulation System opened the door to further development in other areas of simulation. One such area is the driveability of a vehicle. By expanding the model it would be possible to evaluate previously subjective characteristics of a vehicle in a more objective manner.
AFRIKAANSE OPSOMMING: Die vereistes om die kwaliteit van enjins en voertuie te verhoog, word daagliks hoër. Meer gesofistikeerde enjintoetse word daarom vereis. Terselfdertyd is dit 'n groot uitdaging om die tydsduur en koste van ontwikkeling so laag as moontlik te hou. Gestadigde toestand enjintoetse, wat op die prinsiep van krag absorpsie werk, was vir baie jare die norm. Vanaf die middel tagtigerjare het die optimering van dinamiese enjinkarakteristieke en die simulasie van werklike bestuursituasies op enjintoetsbanke van al hoe groter belang geword. Die gevolg was die gebruik van twee rigting wisselof gelykstroomdinamometers en staan vandag bekend as dinamiese enjintoetsing. Deur 'n rekenaar met simulasiesagteware aan 'n enjin op 'n dinamiese toetsbank te koppel, word die moontlikheid geskep om enige werklike bestuursituasies van 'n voertuig te simuleer in die enjintoetsfasiliteit. Dinamiese enjintoetse kan opgedeel word in simulasietoetse en oorgangstoestandtoetse. By laasgenoemde genereer 'n "bestuurdersmodel" die beheerwaardes intyds deur te kyk na intydse metings terwyl by simulasietoetse die beheerwaardes vooraf bepaal word. Die "bestuurder" kan in die vorm van 'n persoon of rekenaarsimulasie wees. Die projek behels die toepassing van dinamiese enjintoetse vir renbaansimulasie en staan bekend as'n Intydse, Volledige Renbaansisteem weens die simulasie van 'n renmotor om 'n renbaan, onder die beheer van 'n bestuurdersmodel. Dit geskied terwyl die enjin intyds op 'n dinamiese enjintoetsbank loop en gekoppel is aan die simulasie. Deur die intydse, gesimuleerde rondtetye te analiseer, word die moontlikheid geskep om die enjinkonfigurasie te optimeer vir 'n sekere renbaan. Dit is bereik deur die keuse van 'n gepaste dinamiese voertuigmodel, 'n driedimensionele renbaanmodel, ontwikkeling van 'n beheermodel, programmering van die sagteware en integrasie van die dinamiese enjintoetsstelsel. Die simulasieresultate verkry is gestaaf deur werklike renbaantoetse. 'n Professionele renjaer het drie rondtes van die Killarney renbaan voltooi in 'n verteenwoordigende voertuig wat toegerus was met verskeie sensors o.a. drie as versnellings- en orientasiesensors, GPS en 'n enjinbeheereenheidemmuleerder vir die verkryging en stoor van enjindata. Die sensors het data versamel wat insluit rondtetyd, voertuigversnellings, enjinspoed en inlaatspruitstukdruk. Die korrelasie tussen die simulasie waardes en werklik gemete data was van hoë gehalte. Deur die fisiese enjinkonfigurasie te verander in die hardeware en ratverhoudings in die sagteware, is die vergelykbare kapasiteite van die renbaansimulasie geevalueer. Die resultate was weer bevredigend en die simulasie was in staat om die beste enjinkonfigurasie vir die renbaan uit te wys. Dit bevredig die moderne neiging om koste en ontwikkelingstyd so laag as moontlik te hou. Sodoende is bewys dat die stelsel waarde in die ingenieurswêreld het. 'n Intydse, Volledige Renbaansisteem die skep die geleentheid vir verdere ontwikkeling op verskeie terreine van simulasie. Een so 'n veld is die bestuurbaarheid van 'n voertuig. Deur die model verder te ontwikkel word die moontlikheid geskep om voorheen subjektiewe karakteristieke van 'n voertuig meer wetenskaplik te analiseer.
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Waggener, William N. "Unix and the Real-Time Telemetry System." International Foundation for Telemetering, 1989. http://hdl.handle.net/10150/614632.
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International Telemetering Conference Proceedings / October 30-November 02, 1989 / Town & Country Hotel & Convention Center, San Diego, CaliforniaSince the first computer-based telemetry systems were designed in the mid-1960's, the operating system has been the nemesis of the system software designer. The requirement to acquire telemetry data at high rates, in real time, without loss, is in direct conflict with the direction computer operating systems have taken over the last two decades. The "lean and mean", single user operating systems of the 1960's have been replaced by multi-tasking, multiuser systems which emphasize multiple applications at the expense of real-time performance. Recently, there has been enormous interest in hosting real-time telemetry systems under the UNIX operating system. From an applications standpoint UNIX has much to offer the user but it certainly complicates the life of the real-time system software designer. In this paper, a critical look is taken at the role of the operating system in a real-time telemetry system with particular emphasis on the use of UNIX POSIX and realtime extensions.
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Shelley, Larry R. "The Real-Time Telemetry Processing System III." International Foundation for Telemetering, 1987. http://hdl.handle.net/10150/615330.
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International Telemetering Conference Proceedings / October 26-29, 1987 / Town and Country Hotel, San Diego, CaliforniaThe Navy's Real-time Telemetry Processing System (RTPS III) is a third generation system. Designed and built by Computer Sciences Corporation (CSC), RTPS III will support the demands of the Navy flight test community well into the 1990's. The RTPS III is custom-crafted using CSC's system development methodology which blends the best features of the current Navy RTPS system and previously proven CSC systems. A major objective of CSC's RTPS III design is the continuation of existing Navy user interfaces. The transition from the existing system to the integrated RTPS III has also been facilitated by the incorporation of common interfaces to Navy applications software, thus ensuring "new system" acceptance. RTPS III is designed to include a powerful front-end capable of Engineering Unit conversions at more than 200,000 samples per second (sps) per telemetry stream with expansion to 500,000 sps. It will include networking concepts which allow the simple addition of additional subsystems should expansion be required. RTPS III also supports both secure and integrated modes of operation for classified and unclassified processing. The CSC design, a custom combination of proven and new development, results in a Navy system which meets tomorrow's flight test requirements today. Other benefits to NATC are a modular, cost-effective solution with lower life-cycle costs, and a broader range of possibilities for evolving and reconfiguring the system to service new applications and users.
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Hamdi, Muna. "An intelligent real-time lift scheduling system." Thesis, Loughborough University, 1999. https://dspace.lboro.ac.uk/2134/33745.
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In modem high-rise buildings, a suitable control algorithm has to be chosen so that lifts can respond to passenger requests in such a way as to transport them quickly and efficiently to their destinations. The aim of the current work is to assess new scheduling approaches and intelligent monitoring techniques in order to aid the design of new lift systems and to improve the performance of existing installations. To achieve this, the project has been divided into three major parts. Firstly, a model of passenger movements has been developed from an analysis of data gathered from installed lift systems, thereby allowing the realistic simulation of landing calls, car calls and door opening times. Secondly, a lift simulator has been produced to allow the modular comparison of alternative scheduling and monitoring approaches and to provide an accurate model of lift dynamics. Thirdly, a new intelligent lift scheduling system has been implemented.
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Thomas, Kevin P. "System architecture for real time power management." Thesis, University of Bristol, 1996. http://hdl.handle.net/1983/b4d196a1-d1f8-4141-b6e3-a32eb4f2073f.
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A major characteristic of aircraft evolution is the rapid growth in the electrical and electronic content of each subsequenat ircraft generation.T he dominant technology used in an aircraft electrical power distribution network to switch power and to protect the aircraft wiring from hazardous electrical faults is the electro-mechanical relay switch and the electro-thermal circuit breaker. Despite the maturity of these devices they do however suffer from a number of problems relating to reliability, accuracy, and limited operational lifetime. The design, fabrication and testing of a novel Solid State Power Controller (SSPC) is described. The design uses power MOSFET's to provide both the power switching operation of a relay, and the power interruption capability of a circuit breaker. The majority of the control functions required by this device are performed digitally by virtue of a real time program executed on an embedded microcontroller. A number of methods are derived for characterising existing I2t wire protection trip response curves. Reproduction of a true 1 2t trip response in real time using iterative computational methods is described. An examination of the semiconductor thermal characteristics was undertaken. The methods adopted for extracting the power semiconductor thermal response involved direct measurement using infrared thermal imaging techniques and simulation using a computer based modelling tool. Knowledge of the semiconductor die temperature is of vital importance in the context of the overall protection strategy. A finite difference calculation performed in real time has been demonstrated as a viable method to predict the operational temperature of the MOSFET power switching devices used in the design
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Misra, Pradyumna Kumar. "Real time multitasking system application incorporating VRTX." Thesis, Virginia Tech, 1987. http://hdl.handle.net/10919/41577.
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The real time multitasking systems are becoming increasingly popular for control and monitoring functions typically encountered in industry as well as day to day life. They have to manage adequately many concurrent processes or tasks, each of which is sequential in nature. The concurrency is achieved by running asynchronous tasks at different speeds and providing for communication and synchronization. In order to fully exploit the power and capabilities of today's sophisticated microprocessors and to provide a programming methodology for structuring real time applications a real time multitasking operating system becomes critical.
Master of Science
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Dahlman, Gustav, and Johan Omara. "Real time location system for indoor environment." Thesis, Malmö universitet, Fakulteten för teknik och samhälle (TS), 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:mau:diva-20092.
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Fältet inomhuspositionering är en viktig och stor front och är i fortsatt och snabb utveckling inom IoT-teknik och digitalisering av storstäder. Detta arbete är utformat för att hitta och byggaen lämplig teknik för att komprimera olinjäriteter från multipatutbredning. I denna uppsats undersöks olika lokaliseringstekniker och metoder genom en litteraturstudie. Baserat på resultatetav litteraturstudien och en given uppsättning krav designas och implementeras en prototyp. Detresulterande systemet är baserat på UWB-teknik med hjälp av TWR, trilateration och ett kalmanfilter. Prototypen testas i olika miljöer. Resultaten visar att systemet kan detektera taggen i LOSförhållanden samt klara av visa NLOS förhållanden med en noggrannhet på mindre än 1m respektive 4m. Dessa tester inkluderar både distans mätning (1D) och position mätning i ett plan (2D).Dessutom diskuteras en del om hur man ökar prototypens prestanda.The field of indoor positioning is an important front and in fast and rapid development as therise of IoT and digitization of big cities. This work is designed to find and build an appropriatetechnology to compact nonlinearities from multipath propagation. In this paper various availablelocalization-technologies and methods are examined through a literature study. Based on the resultof the literature study and a given set of requirements, a prototype is designed and implemented.The resulting system is based on UWB technology using TWR, trilateration and a kalman filter.The prototype is tested in various different environments. The results show that the system is ableto successfully locate an object while fulfilling the requirements of this work. Additionally, someideas on how to increase the performance of the prototype is discussed.
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Tang, Xiaoxi. "Novel remote ECG real-time monitoring system /." View abstract or full-text, 2009. http://library.ust.hk/cgi/db/thesis.pl?CSED%202009%20TANG.
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Haidar, Ghayath. "Reasoning system for real time reactive systems." Thesis, 1999. http://spectrum.library.concordia.ca/945/1/MQ47844.pdf.
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Real time reactive systems are complex systems that react with their environment through stimulus response behaviour. TROMLAB development environment is a formal system being developed at Concordia University. It is the basis of the real time reactive system that will be described in this thesis. One of the main uses of the simulation tool is debugging. The Reasoning System is a very good complement of the simulation tool. The scope of this thesis is the study of a Reasoning System that can be used along with the simulation tool to help debug the design and verify system properties during the development phase in TROMLAB environment.
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Chang, Ying-Hua, and 張穎華. "Real-time Pedestrian Surveillance System." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/4276e2.
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碩士國立中央大學
資訊工程學系碩士在職專班
94
In this thesis, a real-time pedestrian detection method is presented which can be employed in outdoor environments. The system still has to successfully detect pedestrian under the environments of blurred face features. In our approach, the moving silhouettes of a walking figure is firstly detected by using the technique of background subtraction, and the blobs boundaries are located with the help of head candidate. The trajectory of the moving person is generated by best-area-search and the people activities are analyzed using color feature correlation of object. To achieve the goal of effective and real-time detection, the technique of Support Vector Machines (SVM) is adopted, which works well especially in object prediction and classification. The vertical edge features extracted from body, legs, and head are fed to the SVM as the features. Experiments were conducted on both binary edge images and gray-level images. The experimental results demonstrate that our proposed method is feasible and effective in pedestrian detection.
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Shen, Chi-Liang, and 沈啟亮. "Real Time Face Detection System." Thesis, 2004. http://ndltd.ncl.edu.tw/handle/51621379084753012144.
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碩士淡江大學
電機工程學系碩士在職專班
92
Real-time face detection and face recognition from cluttered images is a challenging work. This dissertation proposes a hierarchical window based on the facial features as an operating mask for human eyes detection so as to be adaptable for different face sizes in images. After the input image is processed using the Sobel filter edge detection, we first make use of the characteristics of symmetric relationships of human-eyes region to find out the possible region of human eyes. Then, to exclude the region of without-human eyes and quickly reach the locations of possible face region, the author capitalizes the geometric characteristic of human-eyes region. Finally, after the eyes verification we accomplish the real-time face detection. The dissertation adopts video card and CCD as live video images for face detection system. It carries out on the computer of PC (Pentium 4 1.8 G). From the website, the author establishes the Color database (WCset) which amounts to 328 pieces of color images. On the average takes only 0.05 seconds for each color image (256*384*1.6M) and the accuracy is 90%(296/328). Again from the faces of FERET (384*256*256) the author establishes the gray-level image database Which contains 2164 pieces. Each image takes about 0.02 seconds and the accurate rate is 95.7 % (2071/2164). The performance is better than the other current face detection systems.
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JIANG, YI-DE, and 姜義德. "Distributed real-time processing system." Thesis, 1989. http://ndltd.ncl.edu.tw/handle/10404861424945114245.
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Ruan, Yu-zhang, and 阮玉璋. "Implementing real-time operating system for embedded systems." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/20303923155913830111.
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碩士國立東華大學
資訊工程學系
104
Embedded system is an important system in our daily life and the obscure link, which is used in a variety of local life. Applications are appeared in the common life such as set-top boxes, video players, video recorders and smart devices. Embedded system is frequently used in the need for time management systems. For example, a real-time operating system is needed to reduce brake reaction time. Real-time operating system requires short response time, such as completing assigned works within a limited time. In some specific situation, embedded system is the only choice, which owns minimum hardware size, limited available resources and optimized hardware to accomplish tasks in limited time. This paper implements a simple real-time operating system on an embedded system. Only set those necessary hardware register, in order to lessen unused resource in our operation system. It describes how to implement a real-time operating system with processing details. This article is helpful for the researchers interested in real-time operating system.
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SIE, JHONG-CUN, and 謝忠存. "Real-time Human Gait Evaluation System." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/6t379h.
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碩士國立雲林科技大學
電子工程系
105
Gait is one of the characteristics that every person represents from movements. According to growth background and physiological factors, gait of each person is different, and so is distribution of foot pressure. However, congenital conditions or wrong walking way and even selecting unsuitable shoes cause gait abnormality and foot pressure distributes unevenly. Above-mentioned minor effects influence the lower limbs become painful and severe effects influence the waist, spine, and even discomfort the whole body. This study applies image processing to analyze gait and foot pressure and establish real-time evaluation system for human gait. The system captures images of walking when users walking on the platform and then employs the related parameters of image processing analysis for gait, such as distribution graph of foot pressure, critical knee joint bending angle of critical gait stage, and so on. Furthermore, the system displays the analysis result on the output image immediately so that user enables to observe their own gait instantly. After testing, the system accesses the results from user which provide to therapists and other professionals for evaluating recovery conditions before and after rehabilitation.
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Kim, Jungin. "Dependable and secure real-time system /." 2007. http://proquest.umi.com/pqdweb?did=1421626581&sid=1&Fmt=2&clientId=10361&RQT=309&VName=PQD.
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