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32 results for “Real-Time Operating System”
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Research ArticleOpen accessIn the abstractAdaptive Neuro-Fuzzy Inference System Approach for the Automatic Screening of Diabetic Retinopathy in Fundus ImagesS. Kavitha, K. DuraiswamyProblem statement: Diabetic retinopathy is one of the most significant factors contributing to blindness and so early diagnosis and timely treatment is particularly important to prevent visual loss. Approach: An integrated approach for extraction of blood vessels and exudates detection was proposed to screen diabetic retinopathy. An automated classifier was developed based on Adaptive Neuro-Fuzzy Inference System (ANFIS) to differentiate … …Journal of Computer Science, Vol. 7, Issue 7 · 28 Jun 2011 · 6,785 accessesView PDFCite
Research ArticleOpen accessIn the abstractA Self-Tuning Proportional-Integral-Derivative Controller for an Autonomous Underwater Vehicle, Based On Taguchi MethodM. Santhakumar, T. AsokanProblem statement: Conventional Proportional-Integral-Derivative (PID) controllers exhibit moderately good performance once the PID gains are properly tuned. However, when the dynamic characteristics of the system are time dependent or the operating conditions of the system vary, it is necessary to retune the gains to obtain desired performance. This situation has renewed the interest of researchers and practitioners in PID control. … …Journal of Computer Science, Vol. 6, Issue 8 · 31 Aug 2010 · 7,855 accessesView PDFCite
Research ArticleOpen accessIn the abstractWeb-Enabled Framework for Real-Time Scheduler Simulator: A Teaching ToolC. Yaashuwanth, R. RameshProblem statement: A Real-Time System (RTS) is one which controls an environment by receiving data, processing it, and returning the results quickly enough to affect the functioning of the environment at that time. The main objective of this research was to develop an architectural model for the simulation of real time tasks to implement in distributed environment through web, and … …Journal of Computer Science, Vol. 6, Issue 4 · 30 Apr 2010 · 7,273 accessesView PDFCite
Research ArticleOpen accessIn the abstractUsing an Adaptative Fuzzy-Logic System to Optimize the Performances and the Reduction of Chattering Phenomenon in the Control of Induction MotorM. M. Krishan, L. Barazane, A. KhwaldehProblem statement: Neural networks and fuzzy inference systems are becoming well-recognized tools of designing an identifier/controller capable of perceiving the operating environment and imitating a human operator with high performance. Also, by combining these two features, more versatile and robust models, called “neuro-fuzzy” architectures have been developed. The mo Approach: Motivation behind the use of neuro-fuzzy approaches was based on … …American Journal of Applied Sciences, Vol. 7, Issue 1 · 31 Jan 2010 · 7,523 accessesView PDFCite
Research ArticleOpen accessIn the abstractGroundwater in the Urban Environment: Management Needs and Planning StrategiesStefano Lo Russo, Glenda TaddiaProblem statement: Over the past thirty years urban transformations, such as urbanization, suburbanization, dis-urbanization and re-urbanization processes, have modified the subsurface conditions of Torino (NW Italy). In order to contribute to the solution of the problems concerning groundwater the conceptual model for the groundwater flow system, the schematization of the aquifers boundaries and the estimation of basic hydrogeological parameters are … …American Journal of Environmental Sciences, Vol. 5, Issue 4 · 31 Aug 2009 · 6,659 accessesView PDFCite
Research ArticleOpen accessIn the abstractReal Time Implementation of NARMA-L2 Control of a Single Link ManipulatorS.S. Mokri, H. Husain, W. Martono, A. ShafieNonlinearities and parametric uncertainties are unavoidable problems faced in controlling robot manipulator. A single link manipulator driven by a permanent magnet brushed dc motor is a nonlinear dynamics due to effects of gravitational force, mass of the payload, posture of the manipulator and viscous friction coefficient. Furthermore, uncertainties arise because of changes of the rotor resistance with temperature and random … …American Journal of Applied Sciences, Vol. 5, Issue 12 · 31 Dec 2008 · 7,761 accessesView PDFCite
Research ArticleOpen accessIn the abstractHardware Implementation of Higher Throughput Anti-Collision Algorithm for Radio Frequency Identification SystemJahariah Sampe, Masuri OthmanThis paper presents a proposed hardware implementation of Higher Throughput Anti-Collision Algorithm (HTACA) for Radio Frequency Identification (RFID) system. Our proposed HTACA combines a pipeline and a deterministic anti-collision technique in order to enhance its performances. These downlink and uplink operations are concurrently executed during the identification process. The downlink operation is purposely pre-selected a group of tags base on … …American Journal of Engineering and Applied Sciences, Vol. 1, Issue 2 · 30 Jun 2008 · 7,443 accessesView PDFCite
Research ArticleOpen accessIn the abstractDynamically Reconfigurable Embedded Architecture-An Alternative To Application-Specific Digital Signal Processing ArchitecturesN. Ramadass, S. Natarajan, J. Raja Paul PerinbamEmerging trends in design of real-time digital signal processing systems indicate that in the future, a significant amount of performance improvement can be achieved using dynamically reconfigurable embedded architectures consisting of reconfigurable, general-purpose components. Although embedded real-time systems have long been prevailing in our society, no firm scientific base has been established yet to handle timing requirements in a systematic … …Journal of Computer Science, Vol. 3, Issue 10 · 31 Oct 2007 · 6,727 accessesView PDFCite
Research ArticleOpen accessIn the abstractPerformance Evaluation of a QoS-Aware Mechanism for Polling-Based High-Speed Network InterfacesSalman Al-Qahtani, Tarek Helmy, Khaled SalahThe explosive growth of the high-speed multimedia networks and the widespread use of web-based related applications place new demands on the network servers. The network end systems such as PC-Router, network server and host connected to high speed links must satisfy QoS requirements for multimedia traffics such as delay and loss ratio. Most works on operating systems support for high-speed … …Journal of Computer Science, Vol. 1, Issue 4 · 31 Dec 2005 · 6,565 accessesView PDFCite
Research ArticleOpen accessIn the abstractApplication of Platform Models in Model Driven Engineering of Embedded SoftwareInali Wisniewski Soares, Luciane Telinski Wiedermann Agner, Paulo Cézar Stadzisz, Jean Marcelo SimãoThis paper presents two UML 2.0 profiles for designing embedded software based on Real-Time Operating Systems (RTOS). The first profile, named Application Modeling Profile (AMP), defines the necessary elements for the application modeling. The second one, named swxRTOS, defines a set of stereotypes to describe platform models and the mapping between application and platform. These profiles are used for the … …Journal of Computer Science, Vol. 11, Issue 12 · 12 Feb 2016 · 6,983 accessesView PDFCite