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 29 for “"embedded control"”.
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Dynamically reconfigurable hardware for embedded control systems
… reconfigurable hardware for the realisation of embedded control systems, using the most well-known example of this kind of technology: Field Programmable Gate array (FPGA). The focus of the first part of the thesis is on assessing the resource utilisation of FPGA- and CPU-based realisations, …
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Flexible Embedded Control Systems : Design and Implementation
Embedded control system design is a complex and error prone task, and there is a great need for better development tools. Today most real-time control systems are static systems, designed in an ad-hoc fashion. A more interactive way of working would give shorter development times, reduced costs for …
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Resource-Constrained Embedded Control and Computing Systems
… methods for handling resource constraints in embedded control systems and real-time computing systems. By dynamic feedback-based resource scheduling it is possible to achieve adaptability andincreased performance for these systems. A feedback scheduling strategy is presented, which uses …
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Test-driven development of embedded control systems: application in an automotive collision prevention system
… novel application of TDD to the development of embedded control systems using an automotive safety system for preventing collisions as an example. The basic prerequisite for test-driven development is the availability of an automated testing framework as tests are executed very often. Such …
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Sensing, Actuation, and Embedded Control for a Custom SCR Nitrogen Oxides Emissions Reduction System
… engines. To improve efficiency we implemented a control law to limit the emissions within bounds ensuring low emissions for varied drive cycles. We developed a controller network using user datagram protocol to collect engine data using Arduino. The controller network establishes communication …
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Parallelized Distributed Embedded Control System for 2D Walking Robot for Studying Rough Terrain Locomotion
… at every joint. A distributed, parallelized, embedded control system was developed to provide the control structure for the Jaywalker. This system was chosen for its ability to execute simultaneous tasks efficiently. The two level control system provides a first level to implement a higher …
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A stimulus/recording system for optogenetics: circuit, firmware, and software design and implementation
… comprises a photodiode amplifier, LED driver, embedded control system, and desktop control software. The low-noise, precision photodiode amplifier is designed to read the weak photo-current signal associated with neural activities and convert it to proper voltage for signal analysis. The LED …
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Application of STPA to the integration of multiple control systems : a case study and new approach
A new approach for analyzing multiple control systems within the STPA framework has been developed and demonstrated. The new approach meets the growing need of system engineers to analyze integrated control systems, that may or may not have been developed in a coordinated manner, and assess them …
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Distributed dataflow machine controllers
… used to describe component geometries to the embedded control systems used to interact with the physical world in order to produce those components. In the state of the art, workflows are typically static and opaque, especially within embedded controllers themselves. This makes them difficult …
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Feedback Based Performance Management and Fault Tolerance for Networked and Embedded Computing Systems
… we further exploit the use of feedback control to achieve fault tolerance for real-time embedded control systems. We propose ORTGA (On-demand Real-Time GuArd), a new fault tolerance architecture which utilizes feedback control based software execution. ORTGA delivers the same …
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Optimal Implementation of Simulink Models on Multicore Architectures with Partitioned Fixed Priority Scheduling
… its popularity in the development of complex embedded control systems. However,the current research on software synthesis for Simulink models has a critical gap for providing a deterministic, semantics-preserving implementation on multicore architectures with partitioned fixed-priority …
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An embedded controller for quad-rotor flying robots running distributed algorithms
… team be a distributed system. In this thesis, an embedded controller capable of running distributed algorithms is presented for the quad-rotor flying robot. The robot platform is first characterized to help guide the design of the embedded control module. These modules are fabricated and tested on …
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Automatic control program creation using concurrent Evolutionary Computing
… for some relatively simple, non safety -critical embedded control applications, GP can be used as a practical alternative to software developed by humans. Embedded control software has become a branch of software engineering with distinct temporal, interface and resource constraints and …
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Solving optimal satisfiability problems through clause-directed A*
Real-world applications, such as diagnosis and embedded control, are increasingly being framed as OpSAT problems - problems of finding the best solution that satisfies a formula in propositional state logic. Previous methods, such as Conflict-directed A*, solve OpSAT problems through a weak …
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Mechatronics for sophomore-level mechanical engineering students
… integrating electromechanical components with embedded control circuitry, the need for engineering graduates with a diversified educational background in multidisciplinary applications has been recognized within many facets of industry. The focus of this research was to create a series of …
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Translating Discrete Time SIMULINK to SIGNAL
… promising methodology for the development of the embedded software of such systems. This design paradigm significantly reduces the development cost and time while guaranteeing better robustness, capability and correctness with respect to the original specifications, when compared with the …
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A real time embedded controller for smart structures
This thesis presents a simple Real Time Embedded Control System (RTECS) in an application of Intelligent Structure Monitoring. Research in smart structures, especially the area of vibration suppression, has warranted the investigation of advanced computing environments. Real time PC computing power …
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An integrated sensor system for early fall detection
… capacitive accelerometers incorporated with microcontroller processing units were utilized to early detect accurate information about fall events. Decision tree algorithms were implemented to set thresholds for data acquired from accelerometers. Data is then verified against their thresholds and …
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Industrial Robot Programming
… to different tasks. The use of computer control to achieve desired flexibility implies that software issues for embedded control systems are central for the applicability and utilization of the equipment. The structure of control systems today, however, limits the applicability of robots, …
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C@t : a language for programming massively distributed embedded systems
… c@t, a language for programming distributed embedded systems that are composed of thousands (even millions) of interacting computing devices. Due to the improvements in fabricating technologies, it is becoming possible to build tiny single-chip devices equipped with logic circuits, sensors, …
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