Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 38 for “"real time operating system"”.
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VORTOS : Versatile Object-oriented Real-Time Operating System
… greater levels of abstraction, so have computer operating systems. In order to achieve the desired level of functionality, operating systems have become less flexible and overly complex. The additional complexity and abstraction introduced often leads to less efficient use of hardware and …
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Real-Time Operating System Modelling and Simulation Using SystemC
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 …
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Development of a Windows NT real-time operating system for NC machine control
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 1997.
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An implementation of the μC/OS-II kernel and an analysis of its suitability as a real time operating system for embedded applications.
Includes bibliographical references.
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RTOS Control of Hardware Processes
… hardware-process support to Microcontroller Real-time Operating System Version 2 (MicroC/OS-II) is proposed. MicroC/OS-II is a hard real-time operating system (RTOS), mostly written in the C programming language. MicroC/OS-II is designed to manage limited resources within embedded systems, …
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Scalable Automated Methods for Dynamic Program Analysis
… We have used the tools to find bugs in several real-world software systems including SGLIB, a popular C data structure library used in a commercial tool, implementations of the Needham-Schroeder protocol and the TMN protocol, the scheduler of Honeywell's DEOS real-time operating system, and the …
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A high level disc controller
… problem of synchronizing the computer to the real-world timing of his plants. He is far more interested in the response time of the computer to an external occurrence than he is to sheer 'number-crunching' power. Despite the trends in process control towards distributed computing, even the …
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Hardware Support for a Configurable Architecture for Real-Time Embedded Systems on a Programmable Chip
… useful embedded SoPCs can now be designed. The Real Time Processor (RTP) project at Brigham Young University leverages the advances in FPGA technology with a system architecture that is customizable to specific applications. A simple real-time processor has been designed to provide support for a …
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Autonomous landing system for a UAV
… protocol were developed in ANSI C. The overall system was implemented in a PC104 computer running a real-time operating system developed by The Mathworks, Inc. Computer and hardware in the loop (HIL) simulation, as well as ground test results show the feasibility of the algorithm proposed here. …
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A hardware-anywhere-in-the-loop simulator for dynamic real-time analysis of electric propulsion systems
This work introduces a low-level real-time vehicle simulator with hardware-anywhere-in-the-loop (HAIL) capability. Vehicle dynamics are simulated on a high-performance workstation running a real-time operating system. The vehicle’s battery pack is both modeled in simulation and interfaced …
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Robotic control: real-time architectures and multi-flock flocking
… mobile robot control architectures include real-time capabilities. This is answered by creating, implementing and testing a real-time aware behavior-based mobile robot control architecture. Next a true real-time behavior-based mobile robot control architecture is created and implemented …
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Autonomous Vehicle Waypoint Navigation Using Hyper-Clothoids
… to track the constructed reference path. A novel real time solution is presented as the second control strategy which involves constructing clothoids to generate a steering profile. The resultant car trajectory preserves curvature and curvature rate continuity. A simulation test bench was …
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Flexible Fault Tolerance for the Robot Operating System
… save countless lives. These benefits can only be realized if autonomous vehicles can prove to be safer than human drivers. There is a large amount of active research around developing robust algorithms for all parts of the autonomous vehicle stack including sensing, localization, mapping, …
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Energy efficient operating systems and software
Energy efficient system design is becoming increasingly important with the proliferation of portable, battery-operated appliances such as laptops, Personal Digital Assistants (PDAs) and cellular phones. Numerous dedicated hardware approaches for energy mini-mization have been proposed while …
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Design, Development, and Evaluation of Customized Electronics for Controlling a 5-DOF Magneto-Rheological Actuator Collaborative Robot
… software development is based on μ C/OS-II real-time operating system to handle multiple time-critical tasks and to guarantee the stability and effectiveness of robot control system. A series of experiments are conducted to validate the designed hardware and software systems, and evaluate …
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Implementation of network moving target defense in embedded systems
… opportunities for adaptive defense in embedded systems. A great deal of work has been done on incorporating moving target defense techniques into enterprise systems to increase the cost to attackers and level the playing field. A smaller body of work focuses on implementing these techniques in …
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Deterministic SpaceWire Networks
… over existing equipment. It does this by using time-division multiplexing, controlled by the sequential broadcasting of time-codes by a network manager. A virtual bus abstraction is then used to divide the network architecture into segments in which all traffic is controlled by a single Remote …
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Development of An Adaptive Kalman Filter for Estimation in Chemical Plant.
… the state transition matrix of non-linear systems by the use of eigenvector theory. Following a series of off-line experiments, these modified forms of the Kalman Filter were applied to the on-line estimation of the state of a pilot plant scale double effect evaporator. The work involved …
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Operating system level resource management for real-time systems
The main goal of a real-time operating system (RTOS) is to provide foundations for guaranteeing deterministic or probabilistic timing requirements of real-time systems. In that regard, scheduling the CPU time has been the core aspect of any RTOS, as it directly contributes to satisfying timing …
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