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 “"Controller Tuning"”.
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Development and experimental validation of direct controller tuning for spaceborne telescopes
… and maintain traceability to the successful controllers from predecessor spacecraft. Two principal tools are developed: an analysis algorithm that quantifies each sensor/actuator combination's effectiveness for control, and a design engine which tunes a baseline controller to improve …
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Investigation into the applications of genetic algorithms to control engineering
… of systems parameter identification and Pl/D controller tuning. More specifically, the study had the following objectives: To investigate possible uses of genetic algorithms to the task of system identification and Pl/D controller tuning. To do an in depth comparison of the proposed uses with …
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Applied Control Strategies at a Cogeneration Plant
… Internal Model Control (IMC) correlations for PI controller tuning</p> <p>4) Static feed forward with feedback trim</p> <p>5) Cascade Control</p>
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Applications of game theory in microgrids
… a non-cooperative game theory based PI controller tuning method is proposed to help make more stable output voltage. For microgrids that are connected in network, a cooperative game theory based local energy exchange scheme is proposed to help them meet their energy requirements while …
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Transfer Learning for Accelerated Process Development
… Bayesian optimization for accelerating feedback controller tuning, specifically for distillation control systems. Finally, in Part III, I take two perspectives on using machine learning for predictive thermodynamics, a key aspect of process modelling. I introduce *DeepGamma* for predicting …
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Application of Machine Learning in Process Control in Optical Fiber Manufacturing
… replace the iterative and laborious process of controller tuning and serve as a tool to be widely utilized in manufacturing settings.
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Electromagnetically-driven ultra-fast tool servos for diamond turning
… power amplifiers, and a novel configuration and controller tuning method for implementing adaptive feed-forward cancellation control. All of these elements have been successfully used for diamond turning of contoured surfaces. Fast tool servos (FTS) are high bandwidth positioning devices, which, …
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Implementação de um sistema embarcado aplicado ao controle de pressão arterial
… design and implementation of a database of tuned controllers based on patients models, in order to find a suitable PID to be embedded in a Programmable Integrated Circuit (PIC), which has a smaller cost, smaller size and lower power consumption. For best results in controlling the blood pressure …
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CPU Resource Management and Noise Filtering for PID Control
… to obtain real application models through the tuning and update of the initial service level tables. The second part of the thesis deals with the design of measurement noise filters for PID control. The design is based on an iterative approach to calculate the filter time constant, which …
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New modelling and control methods with application to combined cycle power plants
… of combine cycle power plants. A new MIMO PID controller tuning method and a novel predictive PID controller design method for MIMO systems are also described in the thesis. The emphasis of this work is on simulation; identification and controller design methods. The thesis begins with an …
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Improving PID controller of motor shaft angular position by using genetic algorithm
… Servo Control Laboratory. The key issue for PID controllers is the accurate and efficient tuning of parameters. The plant repeatedly has a problem in achieving the desire position control and system performance have an oscillatory response and gives a slightly steady state error. This problem …
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Dynamic performance of control loops and their interactions in a VAV HVAC system
… two electric heaters) activated by DDC PI controllers. Experiments were conducted in this facility and the results were processed, and analyzed in this thesis. The steady state and dynamic characteristics of a VAV-HVAC control system has been studied. The interaction between control loops …
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Design of Low-Order Controllers using Optimization Techniques
… especially in the process industry, low-level controllers are the workhorses of the automated production lines. The aim of this study has been to provide simple tuning procedures, either optimization-based methods or tuning rules, for design of low-order controllers. The first part of this …
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On Automation in Anesthesia
… are closed-loop controlled, using a PID controller for propofol and a P controller for remifentanil. In order to tune the controllers, patient models have been identified from clinical data, with body mass as only biometric parameter. Care has been taken to characterize identifiability …
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Phase control of delta-connected single-phase grid-forming inverters for auxiliary signal injection
… to formulate a Linear Quadratic Integral (LQI) controller capable of phase angle reference tracking. The proposed controller enables the system to be operated as a three-phase balanced source. A similar, but much more simple, methodology is used to develop a Proportional-Integral (PI) controller …
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Reinforcement learning approach for optimizing load shedding and controller parameter tuning in active islanded power systems
… issue addressed in this context is the tuning of controllers for active, decentralized systems. These controllers need to be adjusted to function optimally across a wide range of operating conditions, both in grid-connected and islanded modes. This poses numerous challenges due to the …
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Steam and Condensate System Control in Paper Making
… we call it the IPZ-model. A set of simple tuning rules has been derived and is characterized by the four process parameters in the model. The method is labeled as IPZ-tuning. It has only one design parameter and is therefore easy to use. The method has been tested and evaluated on a couple …
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Power, Performance and Energy Models and Systems for Emergent Architectures
… of their applications and systems. Existing controllers and predictors use policies fixed by a knowledgeable user to opportunistically save energy and minimize performance impact. While the qualitative effects are often good and the aggressiveness of a controller can be tuned to try to save …
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Design and Control of Versatile High-Speed and Large-Range Atomic Force Microscopes
… overheads associated with experiment setup and controller tuning, and (iv) introduce custom design modifications resulting in affordable AFMs for engineering education. These new capabilities are primarily enabled with the development of new sub- systems. The key components include …
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Design and control of powered lower limb prostheses
… the opposite direction. A finite-state impedance controller has been developed for this prosthesis, which was demonstrated to provide a natural gait. Based on previous success, a novel type of pneumatic muscle, namely double-acting sleeve muscle (DASM), was examined to replace traditional …
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