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 77 for “"Efficient Control"”.
-
Bayesian Learning for Data-Efficient Control
Applications to learn control of unfamiliar dynamical systems with increasing autonomy are ubiquitous. From robotics, to finance, to industrial processing, autonomous learning helps obviate a heavy reliance on experts for system identification and controller design. Often real world systems are …
-
Achieving Efficient Control of Hydraulic Systems Using On/Off Valves
… of hydraulic systems is due in part to inefficient components, such as pumps and motors, and partially due to the typical method of control, which uses throttling valves to place restrictions in the flow path to dissipate excess power as heat. Several approaches to reducing throttling …
-
Efficient Control of DC Servomotor Systems Using Backpropagation Neural Networks
… systems. Therefore, the development of a more efficient control strategy that can be used for the control of a DC servomotor system, and a well defined mathematical model that can be used for off line simulation are essential for this type of systems Servomotor systems are known to have …
-
Efficient control of series elastic actuators through the exploitation of resonant modes
… allow the actuators to maintain stable force control while protecting the drive train from harmful loadings. The spring can also be used to store energy similar to the way animals use their tendons during locomotory tasks. This thesis shows that by operating the actuators at the appropriate …
-
Energy efficient control for power management circuits operating from nano-watts to watts
… consists of power trains, gate drivers and control circuits. Although the control circuits are primarily required for regulation, these circuits can play a crucial role in achieving high efficiency and/or minimizing overall system form-factor. In this thesis, power converter circuits, …
-
Energy-efficient control of a smart grid with sustainable homes based on distributing risk
… goal of this thesis is to develop a distributed control system for a smart grid with sustainable homes. A central challenge is how to enhance energy efficiency in the presence of uncertainty. A major source of uncertainty in a smart grid is intermittent energy production by renewable energy …
-
Modeling of Passive Chilled Beams for use in Efficient Control of Indoor-Air Environments
… done as a small facet of a much larger study on efficient control of indoor air environments. Halton passive chilled beams are used to cool rooms and the focus of this work is to model the beams. This work also reviews the mesh making process in Gmsh. ANSYS Fluent was used throughout the entire …
-
Fuel Efficient Control Design and Constrained Motion Analysis for Spacecraft Coulomb Formation in Elliptic Chief Orbits
… to make close formation spacecraft missions fuel efficient. In this study, the Coulomb formation of two craft is studied in elliptic chief orbits for two formation geometries. The first formation requires both spacecraft to be aligned along the nadir (radial) direction and the second formation …
-
Efficient control based on a verified model for an autonomous underwater vehicle : a case study of Autonomous Benthic Explorer
… will depend largely on how the vehicle is controlled. An accurate system model is critical for the controller development and trajectory planning. A model of the ABE vehicle dynamics is formulated for surge, heave and pitch motions. These motions in the lon,gitudinal plane are particularly …
-
General predictive control an investigation of perceived limitations
… been applied in the pursuit of stable, fast and efficient control.
-
Control architecture of survivable multi-domain optical networks
… speed benefit of optical transport networks, control architecture have become the focus of research in recent years. In this thesis, I have developed a control plane architecture integrated with a set of algorithms, schemes and protocols. Based on the two-level inter-domain and intra-domain …
-
Pain Management in Patients with Oncological Diseases – the Role of Nurses // Управление на болката при пациенти с онкологични заболявания – роля на медицинската сестра
Efficient pain control is among the top priorities of The Cancer Prevention Program of WHO (World Health Organization), along with prophylaxis, early diagnosis and treatment of oncological diseases. Pain must be treated effectively, which means efficient control and pain assessment. Assessing pain …
-
A Study on the Design and Control of Energy-efficient Pneumatic Drives
… advanced applications are largely focused on the control algorithm development whereas the very fundamental knowledge on pneumatic drives has not been much advanced. The low energy efficiency issues with pneumatic drives remain to be an unresolved problem today. This research aims to explore new …
-
Vehicle Dynamics Control for Rollover Prevention
… form of road accident. Existing vehicle dynamics controllers primarily deal with yaw stability, and are of limited use for dealing with problems of roll instability. This thesis deals with the development of a new type of vehicle dynamics control system, capable of preventing rollover accidents …
-
Automatic Control of Chemical Application Rate With Soil Organic Matter and Travel Speed as Inputs (Microprocessor, Digital Control)
Effective and efficient control of agricultural chemical application rate will allow a reduction in the use of pesticides for proper pest control with less environmental contamination. A microprocessor based sprayer control system was developed to regulate chemical application rate according to the …
-
Flexible dynamic modeling and control for the Remote Manipulator System
This thesis focuses on modeling and controller design for the Space Shuttle Remote Manipulator System (RMS). A dynamic model of the RMS is derived using Book's recursive Lagrangian method. This model has six degree-of-freedom rigid dynamics, joint flexibility dynamics, link transverse elastic …
-
Model-based approaches for learning control from multi-modal data
… attention when solving very general continuous control tasks in a model-free end-to-end fashion. However, there has been great difficulty in applying these algorithms to real-world systems due to poor sample efficiency and inability to handle state and control constraints. We introduce and …
-
Trajectory design and control for formation flying spaceborne interferometers
… requirements: (1) develop a framework to man-age control effort among different satellites during observation and retargeting of the spacecraft formations, to thereby maximize the number of observations that can be taken with a given amount of consumables, and (2) determine computationally …
-
Theoretical Principles for Information-Efficient Reasoning under Uncertainty
… gap, we propose a novel approach to stochastic control that enables the regulation of inference—an internal process through which agents transform noisy observations into beliefs that guide their behavior. We apply our framework to quantitatively examine how meta-cognitive agents solve …
-
Sustentación de caso: propuesta de un plan estratégico del ingreso al mercado peruano de una empresa del sector fast fashion
… by this and consider the key indicators to take efficient control of progress towards its objectives. Once this is done, Fast Retailing will be taking advantage of its competitive advantage that it would have in the Peruvian market and would face Zara and H&M, which are its main competitors in …
Page 1 of 4