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.
Results
Showing 1 to 20 of 59 for “"Real-time scheduling"”.
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Real-time scheduling for Java
Thesis (M.Eng. and S.B.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2002.
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Integrated Control and Real-Time Scheduling
The topic of the thesis is codesign of flexible real-time control systems. Integrating control theory and real-time scheduling theory, it is possible to achieve higher resource utilization and better control performance. The integration requires new tools for analysis, design, and implementation. …
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Energy-Efficient, Utility Accrual Real-Time Scheduling
In this dissertation, we consider timeliness and energy optimization in battery-powered, mobile embedded real-time systems. We focus on real-time systems that operate in environments with dynamically uncertain properties, including context-dependent activity execution times and arbitrary activity …
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Utility Accrual Real-Time Scheduling: Models and Algorithms
This dissertation first presents an uniprocessor real-time scheduling algorithm called the Generic Benefit Scheduling algorithm (or GBS). GBS solves a previously open real-time scheduling problem: scheduling activities subject to arbitrarily shaped, time/utility function (TUF) time constraints and …
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Utility Accrual Real-Time Scheduling Under Variable Cost Functions
We present a utility accrual real-time scheduling algorithm called CIC-VCUA, for tasks whose execution times are functions of their starting times. We model such variable execution times employing variable cost functions (or VCFs). The algorithm considers application activities that are subject to …
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ARCHITECTURE-AWARE HARD-REAL-TIME SCHEDULING ON MULTI-CORE ARCHITECTURES
… architectures. Due to the same reason, real-time systems are also migrating from single-core towards multi-core systems. While multi-core systems provide scalable high computational power, they also expose real-time systems to several challenges. Most of these challenges hamper the key …
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Towards the Integration of Control and Real-Time Scheduling Design
… with scheduler and controller co-design for real-time control systems. The overall goal is higher resource utilization and better control performance. One goal is to minimize the performance loss due to jitter and control delays. Another goal is to relax the nominal requirements on hard …
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Deep intelligence as a service: A real-time scheduling perspective
… embedded applications. This work offers a real-time scheduling model motivated by the special needs of embedded applications that use this service. A simple run-time scheduler is proposed for the server and prove an approximation bound in terms of application-perceived service utility. The …
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On Best-Effort Utility Accrual Real-Time Scheduling on Multiprocessors
We consider the problem of scheduling real-time tasks on a multiprocessor system. Our primary focus is scheduling on multiprocessor systems where the total task utilization demand, U, is greater than m, the number of processors on a multiprocessor system---i.e., the total available processing …
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LWFG: A Cache-Aware Multi-core Real-Time Scheduling Algorithm
… thesis, we consider the problem of cache-aware real-time scheduling on multiprocessor systems. One avenue for improving real-time performance on multi-core platforms is task partitioning. Partitioning schemes statically assign tasks to cores, eliminating task migrations and reducing system …
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Optimality of Heuristic Schedulers in Utility Accrual Real-time Scheduling Environments
Scheduling decisions in soft real-time environments are based on a utility function. The goal of such schedulers is to use a best-effort approach to maximize the utility function and ensure graceful degradation at overloads. Utility Accrual (UA) schedulers use heuristics to maximize the accrued …
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A novel approach for route generation and real-time scheduling for public services
… problems that require variable conditions and real-time events, this study proposes two heuristic methods: Smart Selective Navigator and a two-stage algorithm for real-time scheduling and route generation. Through two major case studies — winter operations in the City of Oshawa and autonomous …
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Simulation of real-time scheduling policies in multi-product, make-to-order semiconductor fabrication facilities
Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 2001.
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Utility Accrual Real-Time Scheduling and Synchronization on Single and Multiprocessors: Models, Algorithms, and Tradeoffs
… dissertation presents a class of utility accrual scheduling and synchronization algorithms for dynamic, single and multiprocessor real-time systems. Dynamic real-time systems operate in environments with run-time uncertainties including those on activity execution times and arrival behaviors. We …
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An Experimental Evaluation of the Scalability of Real-Time Scheduling Algorithms on Large-Scale Multicore Platforms
… the scaling behaviors of existing multicore real-time task scheduling algorithms on large-scale multicore platforms. As chip manufacturers rapidly increase the core count of processors, it becomes imperative that multicore real-time scheduling algorithms keep pace. Thus, it must be determined …
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Quality and Utility - On the Use of Time-Value Functions to Integrate Quality and Timeliness Flexible Aspects in a Dynamic Real-Time Scheduling Environment
Scheduling methodologies for real-time applications have been of keen interest to diverse research communities for several decades. Depending on the application area, algorithms have been developed that are tailored to specific requirements with respect to both the individual components of which an …
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Bus scheduling implementation on the cell processor
Real-time computing is the study of hardware and software systems that are subject to a “real-time constraint” - i.e., strict deadline guarantees. With uncontrollable cache and front side bus, in the modern computer architectures, the estimation of a tight bound, worst case execution time (WCET) is …
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Applying machine learning to the design of decision support systems for intelligent manufacturing
… for incorporating machine learning into the real time scheduling of a Flexible Manufacturing System (FMS).
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Real-Time Wireless Sensor-Actuator Networks for Cyber-Physical Systems
… control in these systems need to meet stringent real-time performance requirements on communication latency in challenging environments. There have been limited results on real-time scheduling theory for wireless sensor-actuator networks. Real-time transmission scheduling and analysis for …
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