robust nonlinear control of industrial evaporation systems

... ROBUST NONLINEAR CONTROL OF HDD SERVO SYSTEMS CHENG GUOYANG (B.Eng, National University of Defense Technology, China M.Eng, Tsinghua University) A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR OF ... Contributions of This Research 8 1.4 Outline of This Thesis 11 2 Robust and Nonlinear Control Techniques for Servo Systems 15 2.1 Introduction 15 2.2 Robust and Perfect Tracking Control ... careful study of the subtledynamics of HDD servo mechanism, and further exploration of servo control techniques.This thesis begins with an investigation of some robust linear and nonlinear controltechniques

Ngày tải lên: 15/09/2015, 22:15

... presentedfor a class of perturbed strict-feedback nonlinear systems and a class of nonlineartime-delay systems with unknown virtual control coefficients/functions The be-havior of this class of control laws ... ling nonlinear dynamical systems using NNs, there have been tremendous interestscontrol-in the study of adaptive neural control of uncertacontrol-in nonlcontrol-inear systems with known nonlinearities, ... of nonlinear systemsdue to great demands from industrial applications In this thesis, robust adaptivecontrol of uncertain nonlinear systems has been investigated The main purpose of the thesis

Ngày tải lên: 17/09/2015, 17:20

... 10.15625/1813-9663/32/1/6401NONLINEAR CONTROL OF TEMPERATURE PROFILE OF UNSTABLE HEAT CONDUCTION SYSTEMS: A PORT HAMILTONIAN APPROACH HOANG NGOC HA1, PHAN DINH TUAN2 1Dept of Control and Chemical Process ... reaction processes, [17–19], with robust control of parabolic PDE systems using classical Lyapunov based approach and [20] for passivity based control of a reduced port controlled Hamiltonian model ... control of port-controlled Hamiltonian systems Contrary to electromechanical systems where the link between the dissipation and energy is well established in the PH framework, the extension of

Ngày tải lên: 12/02/2020, 22:10

... Trang 1NONLINEAR CONTROL OF DYNAMIC VOLTAGE RESTORER TO IMPROVE LVRT CAPABILITY IN WIND TURBINE SYSTEMS Van Tan Luong*, Do Van Si, Nguyen Thi Thanh Truc Ho Chi Minh City University of Food ... consideration of satisfactory performance in terms of the percent overshoot, settling time, and rise time The block diagram of the proposed control is shown in Figure 3, in which the components of the ... separately controlled by using the FL Meanwhile, the components of the negative-sequence voltages in the dq-axis are regulated, based on the PI controller Then, the outputs of the FL control (

Ngày tải lên: 16/05/2020, 00:04

... Trang 1Robust Control of Time-delay SystemsTrang 3Qing-Chang Zhong, PhDDepartment of Electrical Engineering and Electronics The University of Liverpool Robust control of time-delay systems 1.Robust ... value of the delay exceeds the following bound: Trang 261.3 A Brief Review of the Control of Time-delay Systems 91.3 A Brief Review of the Control of Time-delay Systems The first effective control ... progress onH ∞ control of systems with multiple I/Odelays ForH ∞control of a class of more general infinite-dimensional systems,see [54, 55, 57] The above is only a brief review of the control of time-delay

Ngày tải lên: 07/09/2020, 15:53

... Trang 1NONLINEAR CONTROL OF DYNAMIC VOLTAGE RESTORER TO IMPROVE LVRT CAPABILITY IN WIND TURBINE SYSTEMS Van Tan Luong*, Do Van Si, Nguyen Thi Thanh Truc Ho Chi Minh City University of Food ... consideration of satisfactory performance in terms of the percent overshoot, settling time, and rise time The block diagram of the proposed control is shown in Figure 3, in which the components of the ... separately controlled by using the FL Meanwhile, the components of the negative-sequence voltages in the dq-axis are regulated, based on the PI controller Then, the outputs of the FL control (

Ngày tải lên: 09/01/2021, 16:03

... Sliding Mode Control3.2.1 Principle of Sliding Mode Control and Chattering Problem Sliding mode control is a variable structure control algorithm characterized by its discontinuous control output, ... 1: Response of the FOSMC controller and ESO with a rotor rotation speed of 3000 rpm and the initial values of the rotor center of mass position are: Scenario 2: The initial values of the rotor ... Schallschmidt, “Nonlinear adaptive control of magnetic bearings,” 2007 Eur Conf Power Electron Appl EPE, no March, [23] S M Amrr, A Alturki, and K Zafar, “Advanced robust control design for the support of

Ngày tải lên: 03/07/2023, 22:06

... range of error than the nonlinear controller without adaptation 1.1.6 Fundamental of Sliding Made Control In control systems, Sliding Mode Control (SMC) is a notable robust nonlinear control ... main of this control method is its robustness, so it has many applications in electric drives, robotics and other nonlinear systems SMC controllers have been utilized ina variety of ways to control ... of system conditions, even in the presence of parametric uncertainties, nonlinearities, and disturbances, m the family of nonknear robust control algorithms for AMBs systems The evalution of

Ngày tải lên: 11/06/2025, 21:04

... tracking performance of proposed controllers against SMC and ADRC controllers Author Trang 20TABLE OF CONTENT CHAPTER 1 INIRODUCTION 11 State of the aFt ào 1.11 IaodueHonof Active Maenetic ... 5TABLE OF CONTENT CHAPTER 1 INIRODUCTION 11 State of the aFt ào 1.11 IaodueHonof Active Maenetic Hearing Í 1.12 Principles of Magnetic Bearing Function 1.13 Advantages and disadvantages of ... performance of proposed controllers against SMC and ADRC controllers Author Trang 27LIST OF FIGURES Figure 1.1 Active magnetic bearings in compressor [6j Figure 1.2 Munction principle of an active

Ngày tải lên: 19/06/2025, 22:11

... boundedness of all tracking errors Block diagram of robust controller is shown in Fig 5 Trang 11Platform’s Robust ControllerManipulator Mobile Platform 1 v ) E (  pv k Kinematics Controller Coord. ... diagram of robust controller 4 CONTROL SYSTEM DEVELOPMENT The control system is based on the integration of computer and PIC-based microprocessor.The computer functions as high as high level control ... included to illustrate the performance of the robust control strategy. Keywords: robust adaptive controller, mobile manipulator 1 INTRODUCTION The design of intelligent, autonomous machines to

Ngày tải lên: 06/04/2015, 10:36

... account of classical control and state based control of(non-switched) FOS see the interesting article by Hartley and Lorenzo [4].The design of feedback controllers for linear fractional order systems ... perturbation input of magnitude 10 is allowed to affect the controlledsignals The control of switched systems via PWM actuators constitutes a vast area ofapplications with a sufficient number of theoretical ... speaking, such systems are also addressed as “ ON-OFF” systems An average model of a SFOS is obtained from the description of the system by simply replacing the discrete-valued control input variable

Ngày tải lên: 01/07/2015, 09:18

... adaptive boundary control input 394.1 A typical nonlinear string system 424.2 Transverse displacement of the nonlinear string without control 624.3 Longitudinal displacement of the nonlinear string ... without control 624.4 Transverse displacement of the nonlinear string with the proposed boundarycontrol 634.5 Longitudinal displacement of the nonlinear string with the proposed bound-ary control ... bound-ary control [24–29], sliding model control [30], energy-based robust control [31, 32],model-free control [33], variable structure control [34], methods derived through theuse of bifurcation

Ngày tải lên: 09/09/2015, 18:48

... AND CONTROL OF MARINEFLEXIBLE SYSTEMS WEI HE(B.Eng., M.Eng.) A THESIS SUBMITTEDFOR THE DEGREE OF DOCTOR OF PHILOSOPHY DEPARTMENT OF ELECTRICAL & COMPUTER ENGINEERING NATIONAL UNIVERSITY OF ... characteristics of these flexible models, boundary control combiningwith the robust adaptive approaches are presented for three classes of marine flexiblesystems, i.e., mooring systems, installation systems, ... boundary of the cable f (L, t). 91 4.3 Position of the cable without control 92 4.4 Boundary position of the cable without control 92 4.5 Position of the cable with model based boundary control

Ngày tải lên: 10/09/2015, 15:52

... Trang 1CONTROL OF POWER ELECTRONICSYSTEMS FOR FUTURE MICROPROCESSOR POWER SUPPLIES Ravinder Pal Singh NATIONAL UNIVERSITY OF SINGAPORE 2010 Trang 2CONTROL OF POWER ELECTRONICSYSTEMS FOR ... Trang 52.1 Digital Control of Voltage Regulator Modules 8 2.1.1 Digital Control of DC-DC Converters 10 2.1.2 Digital Control of high current VRMs 12 2.2 Time Resolution of DPWM 15 ... Due tothe nature of DPWM, such digital control systems are characterized by the presence of the Zero-Order-Hold (ZOH) Therefore the performance of these systems is afunction of DPWM switching

Ngày tải lên: 11/09/2015, 10:06

... area of influence of an agent a jk; U C i the set of uncovered points in RS i; F, F N the desired formation consisting of N robots; Q the set of all the queues in a formation F; G the set of all ... at a distance of ρ adp 81 4.5 3D view of the potential trench function of Q4 in the (x,y)-coordinate space of the vertex, V3 81 4.6 Representation of the direction (nq,i,a)of a point in ... number of robots required by T i; T i,k the k-th sub-macro task of T i; Ti the Task Specification Matrix of T i; Trang 7|T i,j | the number of basis tasks in T i,j;T p the ordered set of high

Ngày tải lên: 12/09/2015, 08:19

... members Prof Farooq, Prof M S Chiu and Prof A K Ray helped me a lot throughout the journey of my search I am very much indebted to Prof Krishna, Prof Rangaiah, Prof Jim YangLee and Prof M P Srinivasan ... Predictive Control (RMPC) strategy, that combines the ba-sic concepts of Iterative Learning Control (ILC) and Repetitive Control (RC) alongwith the concepts of MPC, is proposed for such systems ... in-crease of conversion Trang 31invest-Process Control EffectCatalytic detoxication of noxious industrial gases from CO and organic sub-stances (Boreskov et al., 1982b) Switching of the tion of the

Ngày tải lên: 14/09/2015, 12:30

... directions are forcecontrol and position control respectively This control scheme relies on the accuratemodeling of the controlled system and the assumption of zero stiffness along thetangent of the constraint ... Conclusions 139 7.2 Future Research 141 Appendix 143 A Proof of Property 2.1 143 B Proof of Lemma 4.1.1 144 C CMMSD Systems – Modeling and Control 145 C.1 Dynamic Modeling and Problem Formulation ... unidirectional force controller is developed based on a set offuzzy rules and the nonlinear feedback technique The thesis also addresses the issue of adaptive position/force control of uncertainconstrained

Ngày tải lên: 16/09/2015, 17:12

... modal analysis of DPS with recycles 91 Chapter 5 Modal Control of Distributed Parameter Systems 93 5.2 Modal control of a linear tubular reactor with recycle 94 5.4 Modal control of a linear ... the favorite coffee time at the Delsys coffee stall and E5 corridors I would like to thank Dr Laksh and Prof Chiu for teaching me the fundamentals of control and Prof Rangaiah and Prof Karimi for ... objectives of the present study are to understand the dynamics of distributed parameter systems & recycle systems and to control distributed parameter systems with and without recycle A set of tools

Ngày tải lên: 04/10/2015, 17:06

... Journal of Industrial Engineering ……… 49 Appendix 12: Abstract: General Regulations of the University of Pretoria 50 RESEARCH GUIDE* FOR POST-GRADUATE STUDENTS OF THE Trang 4DEPARTMENT OF INDUSTRIAL ... study of the author/s TITLE OF RESEARCH PROJECT Name/sField of study Department of Industrial and Systems Engineering Introduction Present the background information regarding the technological, industrial ... Department of Industrial and Systems Engineering, University of Pretoria and not their employer’s name. 9.3 Structure of a research article Appendix 11 contains guidelines for the structure of a research

Ngày tải lên: 08/01/2017, 19:47

... than eq. (7.2), as well as the dynamical model of nonholonomic systems. 7.3 Tools from Nonlinear Control Theory The analysis of nonlinear control systems requires many concepts from differential ... conditions may be sought by exploiting concepts from nonlinear control theory. Basic tools for the analysis and stabilization of nonlinear control systems are reviewed and used to obtain conditions ... first body of the kinematic chain. 7.8. CONTROL OF NONHOLONOMIC SYSTEMS 333 the flow φ g t (x) of the vector field g is the mapping that associates to each point x the solution at time t of the differential...

Ngày tải lên: 01/04/2014, 00:20