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Dissertations / Theses on the topic 'Electrical control'

Author: Grafiati

Published: 23 November 2024

Last updated: 27 July 2025

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1

Huang, Hong. "Electrical two speed transmission and advanced control of electric vehicles." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape11/PQDD_0002/NQ38349.pdf.

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2

SERPI, ALESSANDRO. "Predictive control of electrical drives." Doctoral thesis, Università degli Studi di Cagliari, 2009. http://hdl.handle.net/11584/266015.

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In this work, the application of the Predictive Control Technique to the electrical drives has been considered and discussed, especially in comparison with the employment of the traditional control techniques. First of all, a predictive control algorithm for the Brushless DC drive is developed with the aim of improving the traditional current commutation as best as possible. Then, a novel predictive control algorithm is proposed by imposing both the reference torque value and the minimum Joule losses condition. Then, several predictive control algorithms are proposed for the Synchronous Reluct

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3

Bourilkov, Jordan Todorov. "Electrical pH control in aqueous solutions." Thesis, City University London, 2005. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.418981.

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4

Yeoh, Seang Shen. "Control strategies for the More Electric Aircraft starter-generator electrical power system." Thesis, University of Nottingham, 2016. http://eprints.nottingham.ac.uk/34098/.

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The trend towards development of More Electric Aircraft (MEA) has been driven by increased fuel fossil prices and stricter environmental policies. This is supported by breakthroughs in power electronic systems and electrical machines. The application of MEA is expected to reduce the aircraft mass and drag, thereby increasing fuel efficiency and reduced environmental impact. The starter-generator (S/G) scheme is one of the solutions from the MEA concept that brings the most significant improvement to the electrical power generation system. A S/G system is proposed from the possible solutions br

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5

Alahakoon, Sanath. "Digital motion control techniques for electrical drives." Doctoral thesis, KTH, Electric Power Systems, 2000. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-2954.

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<p>Digital motion control area toady is a well-established one,which is believed to be first initiated by power electronicengineers in the early seventies. Modern digital controltheory, advances in digital signal processor andmicrocontroller technology and recent developments in powerelectronic devices have made this field a very competitive one.The objective of this thesis is to present some digital motioncontrol techniques that can be applied for electrical drives.This is done by investigating two motion control problemsassociated with electrical drives; namely, precision motioncontrol and s

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6

Radan, Damir. "Integrated Control of Marine Electrical Power Systems." Doctoral thesis, Norwegian University of Science and Technology, Faculty of Engineering Science and Technology, 2008. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-1984.

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<p>This doctoral thesis presents new ideas and research results on control of marine electric power system.</p><p>The main motivation for this work is the development of a control system, power management system (PMS) capable to improve the system robustness to blackout, handle major power system faults, minimize the operational cost and keep the power system machinery components under minimal stress in all operational conditions.</p><p>Today, the electric marine power system tends to have more system functionality implemented in integrated automation systems. The present state of the art type

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7

Fan, Minlin. "A subsea electrical actuator and control system." Thesis, University of Liverpool, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.398584.

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8

Laird, E. A. "Electrical control of quantum dot spin qubits." Thesis, Lancaster University, 2009. http://eprints.lancs.ac.uk/124373/.

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9

Wenzel, Brian Jeffrey. "CLOSED-LOOP ELECTRICAL CONTROL OF URINARY CONTINENCE." Case Western Reserve University School of Graduate Studies / OhioLINK, 2005. http://rave.ohiolink.edu/etdc/view?acc_num=case1120932206.

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10

Birch, Alan Philip. "Adaptive load frequency control of electrical power systems." Thesis, Durham University, 1988. http://etheses.dur.ac.uk/6448/.

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The thesis describes Load Frequency Control techniques which may be used for real-time on-line control of large electrical power systems. Traditionally the frequency control of power systems has been carried out using standard fixed parameter control schemes, which give control over the immediate steady- state error and the long term accumulated frequency error, but do not account for the fact that system conditions can alter due to the change in consumer load and generating patterns. The thesis presents a method of controlling the system frequency using adaptive control techniques, which ensu

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11

CAVANINI, Luca. "Model Predictive Control for Electrical and Mechatronic Systems." Doctoral thesis, Università Politecnica delle Marche, 2018. http://hdl.handle.net/11566/253007.

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L'attività di ricerca presentata in questa tesi riguarda il progetto e lo sviluppo di sistemi di controllo basati sulla predizione del comportamento del processo da controllare, in modo da ottenere prestazioni di controllo ottimizzate. I processi presi in considerazione sono convertitori elettrici di potenza e sistemi meccatronici. L'uso di algoritmi di controllo basati sul modello per predire l'evoluzione del processo è stata limitato a lungo a sistemi caratterizzati da dinamiche lente. Ciò è dovuto al tempo necessario a calcolare la legge di controllo, che prevede la risoluzione di un proble

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12

Boodhoo, Lana Elizabeth. "Electrical therapies for rhythm control of atrial fibrillation." Thesis, University of London, 2005. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.511894.

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13

Stone, Barry A. "Control strategies for functional electrical stimulation induced cycling." Thesis, University of Glasgow, 2005. http://theses.gla.ac.uk/1533/.

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Functional Electrical Stimulation cycling ergometers and mobile cycling systems have been developed over a number of years to allow Spinal Cord Injured persons to exercise. Standard able bodied exercise tests are adapted and applied to paraplegic cyclists. A modified recumbent tricycle is instrumentated with an electric motor and sensors to measure cadence and the power produced by the cyclist at the crank. They are then integrated to a stimulator and a laptop computer. The tricycle is mounted on an indoor cycling trainer to provide a novel test bed for the implementation of exercise testing.

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14

Singh, B. "Microprocessor control and instrumentation of electrical power systems." Thesis, University of Bradford, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.379865.

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15

Lane, Rodney. "Control of upper-limb functional neuromuscular electrical stimulation." Thesis, University of Southampton, 2016. https://eprints.soton.ac.uk/419062/.

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Functional electrical stimulation (FES) is the name given for the use of neuromuscular electrical stimulation to achieve patterns of induced movement which are of functional benefit to the user. System are available that use FES to aid persons who have suffered an insult to the motor control region of the brain and been left with movement impairment. The aim of this research was to investigate methods of providing an FES system that could have a beneficial effect in restoring arm function. The techniques for applying upper-limb stimulation are well established, however the methods of controlli

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16

Grimshaw, Paul Edward. "Electrical control of solute transport across polyelectrolyte membranes." Thesis, Massachusetts Institute of Technology, 1989. http://hdl.handle.net/1721.1/14425.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1989.<br>Includes bibliographical references.<br>Supported in part by NSF ERC. CDR-8500003 Supported in part by NSF. CBT-8512814<br>by Paul E. Grimshaw.<br>Ph.D.

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17

Freebairn, David Alexander. "Electrical control of bacterial adherence to conducting polymers." Thesis, Queen's University Belfast, 2016. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.680117.

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In this thesis, low direct currents (DC) have been shown to successfully reduce bacterial adherence to conducting polymers in unique electrically modified flow devices without the aid of an antimicrobial agent. However, alternating currents (AC) and radio-frequency currents (RF) were not found to be effective. The design and manufacture of these new DC and RF flow devices has been comprehensively documented within, accompanied by relevant standard operating procedures and experimental designs. Additionally, the thesis includes a review of seminal bioelectric literature and discusses the potent

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18

Miao, Xia Ph D. Massachusetts Institute of Technology. "Toward distributed control for autonomous electrical energy systems." Thesis, Massachusetts Institute of Technology, 2020. https://hdl.handle.net/1721.1/128321.

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Thesis: Ph. D., Massachusetts Institute of Technology, Department of Electrical Engineering and Computer Science, 2020<br>Cataloged from PDF of thesis.<br>Includes bibliographical references (pages 136-144).<br>In this thesis we study the problem of enabling autonomous electrical energy systems (AEESs) by means of distributed control. We first propose a modular modeling approach that represents a general electrical energy system (EES) as a negative feedback configuration comprising a planar electrical network subsystem and a subsystem of single-port components. The input-output specifications

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19

Ramsey, Laurence. "Control of molecular motor motility in electrical devices." Thesis, University of Liverpool, 2014. http://livrepository.liverpool.ac.uk/18913/.

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In the last decade there has been increased interest in the study of molecular motors. Motor proteins in particular have gained a large following due to their high efficiency of force generation and the ability to incorporate the motors into linear device designs. Much of the recent research centres on using these protein systems to transport cargo around the surface of a device. The studies carried out in this thesis aim to investigate the use of molecular motors in lab-on-a-chip devices. Two distinct motor protein systems are used to show the viability of utilising these nanoscale machines a

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20

Loukarakis, Emmanouil. "Decentralised optimisation and control in electrical power systems." Thesis, Durham University, 2016. http://etheses.dur.ac.uk/11601/.

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Emerging smart-grid-enabling technologies will allow an unprecedented degree of observability and control at all levels in a power system. Combined with flexible demand devices (e.g. electric vehicles or various household appliances), increased distributed generation, and the potential development of small scale distributed storage, they could allow procuring energy at minimum cost and environmental impact. That however presupposes real-time coordination of demand of individual households and industries down at the distribution level, with generation and renewables at the transmission level. I

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21

Björklund, Marcus, and Eric Fjärstedt. "Active Stabilizer : Independent Project in Electrical Engineering." Thesis, Uppsala universitet, Institutionen för teknikvetenskaper, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-324765.

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22

PRUSAKIEWICZ, LUKAS, and FREDRIK LINDSTROM. "Electrical skateboard with cruise control : Comparing energy consumption with and without cruise control." Thesis, KTH, Maskinkonstruktion (Inst.), 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-226664.

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The use of electric skateboards as small transport vehicleshas gained in popularity during the latest years, and thereare numerous manufacturers on the market.This report will go through the building of an electricskateboard and implementation of a cruise control. Thiswill be done using an Arduino UNO board and a rotaryencoder to read the speed of the skateboard. The speed ofthe skateboard can also be manually controlled by the riderusing a hand held controller.The thesis of the report is to compare the energy consumptionwith and without the use of cruise control. Thisis done by building two s

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23

Berry, Randall A. (Randall Alexander). "A linear control approach to ATM congestion control." Thesis, Massachusetts Institute of Technology, 1996. http://hdl.handle.net/1721.1/40234.

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24

Okafor, Nelson. "Analysis and control of nonlinear phenomena in electrical drives." Thesis, University of Newcastle Upon Tyne, 2013. http://hdl.handle.net/10443/1839.

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Electrical motors are key to the growth of any modern society. In order to ensure optimal utilisation of the motors, the shaft speed and armature current must be controlled. Currently, the most efficient way of achieving both speed and current control in electrical motors is through power electronic switching, thus making the system both nonlinear and time varying. The combination of electric motors and control electronics is referred to as electric drives. Due to the inherent nonlinear nature of electrical drives, the system is prone to complex dynamical phenomena including bifurcations, chao

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25

Sparks, Rachel Elizabeth. "Mechanical and electrical control of transport through single molecules." Thesis, Lancaster University, 2012. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.656861.

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The field of molecular electronics is continuously striving towards ever smaller electronic devices. To achieve this an intricate understanding of the electrical properties of molecules connected to metallic leads is vital. This thesis derives a general analytical formula, that describes the transmission through a single molecule, with the advantage that it can be evaluated on a pocket calculator. The tight binding model is applied to a multi-branch structure to derive the probability of transmission through the system, the results of which are tested against ab-initio simulations, which utili

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26

Kirtley, C. "Control of functional electrical stimulation with extended physiological proprioception." Thesis, University of Strathclyde, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.292029.

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27

Kershaw, Robert Andrew. "Retrieved voluntary electromyogram signals for functional electrical stimulation control." Thesis, University of Bristol, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.295098.

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28

Agreda, Adrian. "Electrical control of the nonlinear properties of plasmonic nanostructures." Thesis, Bourgogne Franche-Comté, 2020. http://www.theses.fr/2020UBFCK010.

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Ce travail rassemble les technologies de nanoélectronique et de nano-photonique pour créer un dispositif électro-plasmonique dont les propriétés optiques linéaires et non linéaires sont contrôlées électriquement. Ici, nous présentons la première démonstration de la modulation de photoluminescence non linéaire par des moyens électriques dans un cas d'étude simple. A cette fin, les nanoantennes plasmoniques sont interfacées avec des connexions électriques induisant des régions localisées d’accumulation et de déplétion d'électrons et affectant ainsi la réponse optique. De plus, une analyse complè

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29

Hambrick, Joshua Clayton. "Configurable, Coordinated, Model-based Control in Electrical Distribution Systems." Diss., Virginia Tech, 2010. http://hdl.handle.net/10919/37792.

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Utilities have been planning, building, and operating electrical distribution systems in much the same way for decades with great success. The electrical distribution system in the United States has been consistently reliable; an impressive feat considering its amazing complexity. However, in recent years, the electrical distribution system landscape has started to undergo drastic changes. Emerging applications of technologies such as distributed generation, communications, and power electronics offer both opportunities and challenges to power system operators as well as customers and devel

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30

Zhao, Dong. "Exploring Construction Safety and Control Measures through Electrical Fatalities." Diss., Virginia Tech, 2015. http://hdl.handle.net/10919/71712.

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Globally, construction is considered a hazardous industry with a disproportionate amount of fatal and non-fatal injuries as compared to other industries. Electrocution is named as one of the "fatal four" causes for construction injuries by the Occupational Safety and Health Administration (OSHA). In the United States, an average of 47.9% electrical fatalities occurred in the construction industry from 2003 to 2012, according to the U.S. Department of Labor. These fatalities include both electrical workers and non-electrical workers. Such a disproportionate rate suggests a need of research to i

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31

Jönsson, Jack. "Belief-aided Robust Control for Remote Electrical Tilt Optimization." Thesis, KTH, Skolan för elektroteknik och datavetenskap (EECS), 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-301028.

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Remote Electrical Tilt (RET) is a method for configuring antenna downtilt in base stations to optimize mobile network performance. Reinforcement Learning (RL) is an approach to automating the process by letting an agent learn an optimal control strategy and adapt to the dynamic environment. Applying RL in real world comes with challenges, for the RET problem there are performance requirements and partial observability of the system through exogenous factors inducing noise in observations. This thesis proposes a solution method through modeling the problem by a Partially Observable Markov Decis

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32

Bi, Chong, Congli Sun, Meng Xu, Ty Newhouse-Illige, Paul M. Voyles, and Weigang Wang. "Electrical Control of Metallic Heavy-Metal–Ferromagnet Interfacial States." AMER PHYSICAL SOC, 2017. http://hdl.handle.net/10150/625745.

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Voltage-control effects provide an energy-efficient means of tailoring material properties, especially in highly integrated nanoscale devices. However, only insulating and semiconducting systems can be controlled so far. In metallic systems, there is no electric field due to electron screening effects and thus no such control effect exists. Here, we demonstrate that metallic systems can also be controlled electrically through ionic rather than electronic effects. In a Pt/Co structure, the control of the metallic Pt/Co interface can lead to unprecedented control effects on the magnetic properti

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33

Doyon, Michel. "Decentralized impedance control." Thesis, McGill University, 1994. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=26384.

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Many applications of manipulators to date have been based on position control, but when a robot manipulator makes contact with the environment, the control of force and position is required. One approach, impedance control, is to control the manipulator such that the relationship between position and force is well defined. For example, such that the robot behaves like a mass-spring-damper system whose parameters can be specified arbitrarily. In the recent years, many of the impedance control implementations were using force feedback from an end-effector force sensor and the impedance control w

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34

Manzoor, Ali, Hesham Elkhbai, and Ziad Kkwaneen. "Adaptive Control of Foot Orthosis." Thesis, Halmstad University, School of Information Science, Computer and Electrical Engineering (IDE), 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:hh:diva-650.

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<p>Major problems of the Foot Drop treatment are expensive and complex solutions. This work</p><p>presents the performance of a new inexpensive method named as Semi-Active Ankle Foot</p><p>Orthosis (SAAFO). The concept of this approach is to use inexpensive sensors to detect foot step</p><p>movement. The signals from the sensors afterwards will be fed to a control system of SAAFO in</p><p>runtime for a smooth foot movement of a drop foot patient while walking. Different sensors have</p><p>been studied in detail along with comparison to the proposed sensor system and mechanical</p><p>design. Th

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35

Kuditipudi, Sasank. "Simulation for non-congestion losses control over Mobile Ad-Hoc Network using Transmission Control Protocol." Thesis, California State University, Long Beach, 2016. http://pqdtopen.proquest.com/#viewpdf?dispub=10007412.

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<p> Mobile Ad-hoc Network (MANET) is a group of individual mobile nodes that exhibit mobility, which results in network congestion. The nodes in MANET are continuously moving with change in network topology that results in significant network congestion. Transmission Control Protocol (TCP) is the most popular connection oriented transport layer protocol used today. The TCP when applied over MANET faces challenges, such as congestion and non-congestion losses. We are concentrating to distinguish between these losses and overcome the non-congestion losses.</p><p> The current project presents r

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36

Farson, Dave F. "Control of arc weld thermal cycles." The Ohio State University, 1987. http://rave.ohiolink.edu/etdc/view?acc_num=osu1387446228.

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37

O'Halek, Stephen J. (Stephen John). "Extending a control system model for rate-based congestion control." Thesis, Massachusetts Institute of Technology, 1996. http://hdl.handle.net/1721.1/38826.

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38

Boesak, C. D. "Controller design via H[infinity] optimal control, quantitative feedback theory and fuzzy logic control : an application to load frequency control." Master's thesis, University of Cape Town, 2000. http://hdl.handle.net/11427/5249.

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Bibliography: leaves 104-112.<br>This thesis describes the application of robust controller design techniques namely H[infinity] optimal control, fuzzy logic control and quantitative feedback theory to the load frequency control problem of power systems. It thus forms a comparative study of these design methods. Load frequency control is the closed loop control of electrical generating units to regulate the system frequency at its nominal value in the presence of load disturbances. Load frequency control also includes the regulation of the tie-line interchange powers.

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39

Zhang, Han. "Information Driven Control Design: A Case for PMSM Control." Cleveland State University / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=csu1515408555890069.

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40

Kim, Hana 1980. "Multimodal animation control." Thesis, Massachusetts Institute of Technology, 2003. http://hdl.handle.net/1721.1/29661.

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Thesis (M.Eng.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2003.<br>Includes bibliographical references (leaf 44).<br>In this thesis, we present a multimodal animation control system. Our approach is based on a human-centric computing model proposed by Project Oxygen at MIT Laboratory for Computer Science. Our system allows the user to create and control animation in real time using the speech interface developed using SpeechBuilder. The user can also fall back to traditional input modes should the speech interface fail. We assume that the use

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41

Shen, Dennis Ph D. Massachusetts Institute of Technology. "Robust synthetic control." Thesis, Massachusetts Institute of Technology, 2018. http://hdl.handle.net/1721.1/115743.

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Thesis: S.M., Massachusetts Institute of Technology, Department of Electrical Engineering and Computer Science, 2018.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (pages 63-65).<br>In this thesis, we present a robust generalization of the synthetic control method. A distinguishing feature of our algorithm is that of de-noising the data matrix via singular value thresholding, which renders our approach robust in multiple facets: it automatically identifies a good subset of donors, functions without extraneous covariates (vital to existing methods), and overcom

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42

Yao, Bo 1968. "Priority mechanism for QoS control in CDMA system through dynamic power control." Thesis, McGill University, 2003. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=79272.

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Future wireless systems will have to support multimedia services such as voice, data and video. Issues in providing multimedia services on wireless systems include multiple access, bandwidth rationing, scheduling and power control. In this thesis, we address the last issue. CDMA is assumed to be the access method. Each of these services has different Quality of Service (QoS) requirements, maximum power and packet time-out constraints; in order to achieve the required QoS, they can alter their transmission. In this work, we present a novel Power Control With Priority Scheduling (PCWPS) a

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43

Jacobs, D. M. (Danver Maxwill). "Voltage control of medium to high power three-phase inverter supply systems." Thesis, Stellenbosch : Stellenbosch University, 2001. http://hdl.handle.net/10019.1/52608.

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Thesis (MScEng)--University of Stellenbosch, 2001.<br>ENGLISH ABSTRACT: In this thesis a new voltage control method is developed for a three-phase inverter supply system. The inverter supply system consist of a Permanent Magnet Generator, a three-phase rectifier, a three-phase inverter plus LC-filter and a three-phase transformer in series. This system supplies power to a network or to a stand-alone load. The main focus of this thesis is on the control aspects of the inverter and the LC-filter. Different voltage control systems are investigated and compared to each other. From these met

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44

Alvarez, Rogelio E. "Interdicting electrical power grids." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 2004. http://library.nps.navy.mil/uhtbin/hyperion/04Mar%5FAlvarez.pdf.

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Thesis (M.S. in Operations Research)--Naval Postgraduate School, March 2004.<br>Thesis advisor(s): Javier Salmeron, R. Kevin Wood. Includes bibliographical references (p. 69-70). Also available online.

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45

Khairallah, Ousama Said. "Robotics Control using Active Disturbance Rejection Control." Cleveland State University / OhioLINK, 2009. http://rave.ohiolink.edu/etdc/view?acc_num=csu1262832204.

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46

Tipsuwan, Yodyium. "Gain Scheduling for Networked Control System." NCSU, 2003. http://www.lib.ncsu.edu/theses/available/etd-08282003-105850/.

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Performances of closed-loop control systems operated over a data network are typically degraded by network-induced delays. Furthermore, the closed-loop control systems can become unstable. The purpose of this research has been to develop a control methodology to handle network-induced delay effects using optimal gain scheduling on existing controllers. The proposed gain scheduling technique adapts controller gains externally by modifying a controller output to enable the controller for uses over a data network. Since existing controllers can still be utilized, the proposed methodology can redu

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47

Kavuru, Sree Keerthi. "Vital sign monitor with emergency control." Thesis, California State University, Long Beach, 2015. http://pqdtopen.proquest.com/#viewpdf?dispub=1603974.

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<p> Negligence of the health care representatives during emergency situations causes numerous deaths in the hospitals. Developing an efficient, quick and reliable health care monitor with emergency control can help reduce human errors. This project is based on monitoring patients admitted in hospitals. It is a health monitoring device which measures the heart rate, blood pressure and body temperature of patients. After the vitals are measured accurately, it transmits them wirelessly to a monitoring room using ZigBee. In emergency situations, abnormal vitals are sent to the doctor and the emerg

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48

Alsaif, Saif A. "Echoic Flow for Guidance and Control." The Ohio State University, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=osu1543864969419357.

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49

Yorke, Rory. "Chaos control using local polynomial approximation." Master's thesis, University of Cape Town, 2001. http://hdl.handle.net/11427/5075.

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Includes bibliographical references.<br>Chaotic systems may be defined as those whose behaviour is sensitively dependent on initial conditions. Such systems may be made periodic using small input perturbations, as proposed in [OGY90]; this is called Ott-Grebogi-Yorke (OGY) chaos control. The original method used a linear model for controller design; a later development of chaos control was [CCdF99], in which a polynomial model is used. This dissertation proposes using local Taylor polynomial models as a basis for chaos control.

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50

Marques, Fausto. "The robustness of H-infinity control." Master's thesis, University of Cape Town, 1999. http://hdl.handle.net/11427/16094.

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Bibliography : leave 111.<br>Modern control theory generates controllers of a high order. Since these controllers inherently require elaborate circuits or algorithms for implementation, there is always the possibility that the implemented controller will differ from the designed controller by a certain degree. Furthermore, the control engineer might want to tweak the controller in practice and will therefore deliberately adjust the parameters of the nominal controller. The key factor is that the controller although perturbed from the nominal controller, will still stabilize the closed loop sys

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