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 21 for “"Real-time Embedded Systems"”.
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A Secure Software Platform for Real-Time Embedded Systems
Embedded systems are becoming nearly ubiquitous, found in a plurality of devices ranging from everyday cars and dishwashers to sophisticated spy satellites and remote sensing equipment. As the applications for embedded systems increase in number and diversity and continue to pervade our lives, a …
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Enhancing real-time embedded systems development using artificial immune systems
… Electronics industry produces a large number of systems which exhibit both real-time and embedded properties (RTES). Frequently problems are encountered during the development of these systems due to a mismatch between the requirements of traditional real-time development techniques and the …
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The Design, Analysis, & Application Of Multi-Modal Real-Time Embedded Systems
… which include rendering of high-quality multimedia. Upon such devices, temporal isolation among co-executing applications is very important to ensure that each application receives an acceptable level of quality-of-service. In order to provide strong guarantees on services, multimedia …
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Predictable and monitored execution for COTS-based real-time embedded systems
Modern real-time embedded systems are moving from federated architectures, where logical applications and subsystems are implemented on different hardware components, to progressively more integrated architectures which use extensive sharing of different physical resources. These systems employ …
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Compilation and Generation of Multi-Processor on a Chip Real-Time Embedded Systems
… technology has advanced to the point that useful embedded System-on-Programmable-Chips (SoPC)s can now be designed. The Real Time Processor (RTP) project leverages the advances in FPGA technology with a system architecture that is customizable to specific real-time applications. The design and …
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Analysis of Performance and Power Aspects of Hypervisors in Soft Real-Time Embedded Systems
… growth of malware designed to attack soft real-time embedded systems has necessitated solutions to secure these systems. Hypervisors are a solution, but the overhead imposed by them needs to be quantitatively understood. Experiments were conducted to quantify the overhead hypervisors impose …
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Hardware Support for a Configurable Architecture for Real-Time Embedded Systems on a Programmable Chip
… technology has advanced to the point that 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 …
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Virtual Execution Environment for Robust Real -Time Systems
… performance of VEER by comparing the existing real-time embedded systems and the migrated and reorganized version of the same systems. The performance overhead of RT-VMM is about 1.7% if self-contained, or up to 4.7% if networked in our experimental setup.
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Light-PREM: automatically transforming existing applications to the Predictable Execution Model
As real-time embedded systems become more complex, there is a desire to use these systems on higher performance commercial off-the-shelf (COTS) components. However, worst case execution times (WCET) are unreasonably high on these components, due to contention amongst resources. Past work has …
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Evaluating the Perceived Overhead Imposed by Object-Oriented Programming in a Real-time Embedded System
… object-oriented (OO) operating system kernel for real-time embedded systems based on dataflow architecture. Dataflow is a software architecture that is well suited to applications that involve signal flows and value transformations. Typically, these systems comprise numerous processes with heavy …
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The Ravenscar-compliant hardware run-time (Ravenhart) kernel
Real-time embedded systems are increasingly becoming the foundation of control systems in both the aerospace and automotive worlds. This class of systems has to meet three requirements: strict timing constraints on operational behavior, limited resource availability, and stringent certification …
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Timing Analysis of Embedded Real -Time Systems
… derivation and validation for reactive and real-time embedded systems. We assume that such a system is structured into its tasks, and the structure is modeled using a task graph. Our solution uses the timing behavior committed by the environment to the system first to derive the timing …
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Two concrete problems in timing analysis of embedded software
… timing analysis is crucial for the design of real-time embedded systems. Static analysis methods analyze a program statically to give an upper bound on the worst case execution time (WCET) of the program. The problem of determining WCET of a program by static analysis methods has to be solved …
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Real-time system design using preemption thresholds
As the real-time embedded systems encountered in applications such as telecommunications, aerospace, defense, and automatic control demand large, complex and multi-tasked software development, a new challenge has emerged for adopting the state-of-the-art software engineering technologies. …
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Automatic Co-Synthesis of Hardware and Software Safety Monitors for Embedded Systems
Embedded systems have become pervasive and increasingly complex, especially in modern applications such as self-driving vehicles, where safety requires both accurate functionality and real-time guarantees. However, the complexity and the integration of artificial intelligence and machine learning …
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Power efficient machine learning-based hardware architectures for biomedical applications
… been employed to design intelligent healthcare systems. However, deploying these sophisticated and intelligent devices in real-time embedded systems with limited hardware resources and power budget is complex due to the requirement of high computational power in achieving a high accuracy rate. …
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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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Power-Performance-Predictability: Managing the Three Cornerstones of Resource Constrained Real-Time System Design
… co-design of popular resource constrained real-time embedded systems. We specifically tackle existing real-world problems, and address them through our design solutions which are highly scalable, and have practical feasibility as verified through our solution implementation on real-world …
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Testing Models of Reactive Systems
Testing models of modern Real-time Embedded (RTE) systems is not straightforward due to timing constraints, numerous if not infinite possible behaviors, and complex communications between components. Software testing tools and approaches that can generate test cases to test these systems are …
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An object-based codesign methodology.
… and Software stems from the development of embedded systems, on which various systems restrictions are imposed. Typical restrictions can be the overall time (latency) to complete an assigned function and the space/power limits within the system. Although software can be used to undertake …
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