... includes normal production of finished product In practice, the product recovery system is often implemented as the remanufacturing of end -of- use returns According to whether inventory of returned ... system is developed Chapter studies the two-product recovery system in a single period Some good properties on the model of the system are proved The optimal multi-level threshold policy of production ... inventory control of product recovery system with multiple flows of returns or multiple flows of demands or both The research in the field of Reverse Logistics has covered three aspects: design of network...
Ngày tải lên: 11/09/2015, 10:17
... 90 The Optimal Control Problem 94 Optimal Control Case Studies 97 vii Contents 6.4.1 6.4.2 Analysis of the Optimal Control Problem 97 Comparison of Optimal Control with ... meaning of the word optimal in optimal control? It means that given the mathematical model of the system and given the cost function, an optimal controller computes the best control, i.e., the control ... University of Technology (1991) on digital optimal control of a rigid manipulator His research interests include digital optimal control, reduced-order control, adaptive control, and model predictive control...
Ngày tải lên: 01/01/2014, 07:23
Tài liệu Stability and Control of Large-Scale Dynamical Systems pptx
... aerospace systems, power systems, communications systems, network systems, transportation systems, large-scale manufacturing systems, integrative biological systems, economic systems, ecological systems, ... dynamical systems of discrete subsystems involving stored energy ow among subsystems based on the assumption of weak subsystem coupling or identical subsystems However, the ability of SEA to ... interconnected dynamical systems it is often desirable to treat the overall system as a collection of interacting subsystems The behavior and properties of the aggregate large-scale system can then be...
Ngày tải lên: 12/02/2014, 16:20
cirstea, m. n. (2002). neural and fuzzy logic control of drives and power systemsl
... open-loop control systems 4 Neural and Fuzzy Logic Control of Drives and Power Systems (E) The method of generating the control pulses: • Single-channel control systems • Multi-channel control systems ... signals within the control system and input voltages: • Synchronous control systems • Asynchronous control systems 1.2.2 Characteristics of control systems Although different systems are designed ... Great Britain Preface Control systems Control theory: historical review Introduction to control systems Control systems for a c drives 1 Modern control systems design using ...
Ngày tải lên: 18/04/2014, 12:29
Dynamic Model and Control of DFIG Wind Energy Systems Based on Power Transfer Matrix
... via control of the real power of the uses as the constator Therefore, the speed controller trol input Using the control scheme of Fig 3, is (52) Embedding and controllers in the model of the system, ... first controller as an integral part of the system Based on the theory of Thus, must be designed so that the second subsystem in (51) remains stable 2) Rotor Speed Controller: Speed control of the ... implementation of the controllers and improves the robustness of the control system Furthermore, the proposed model can be potentially used to simplify the control issues of the wind energy system under...
Ngày tải lên: 27/06/2014, 16:04
Introduction to Modeling and Control of Internal Combustion Engine Systems P1 potx
... 1.2 Control Systems for IC Engines 1.2.1 Relevance of Engine Control Systems 1.2.2 Electronic Engine Control Hardware and Software 1.3 Overview of ... without sophisticated control systems Fig 1.2 Substructure of a complete vehicle control system 1.2.2 Electronic Engine Control Hardware and Software Typically, an electronic engine control unit (ECU) ... in the air/fuel ratio Ignition Control Another important example of a control system in SI engines is the spark angle control system This example shows how control systems can help improve fuel...
Ngày tải lên: 04/07/2014, 00:20
Introduction to Modeling and Control of Internal Combustion Engine Systems P2 ppsx
... One of the earliest papers proposing MVM for engine systems is [195] A good overview of the first developments in the area of MVM of SI engine systems can be found in [167] A more recent source of ... introduced In this book, the notion of MVM1 will be used for a specific set of models as defined below First, a precise definition of the term MVM is given This family of models is then compared to other ... the engine inertial system that determines the engine speed; the engine thermal system that determines the dynamic thermal behavior of the engine; the pollution formation system that models the...
Ngày tải lên: 04/07/2014, 00:20
Stabilization and control of unstable time delay systems
... 6.1 (P controller) 114 6.5 Response of example 6.2 (PD controller) 6.6 Response of example 6.1 (PI controller) 118 6.7 Response of example 6.2 (PID controller) ... Unlike stable systems, simply detuning the controller is not a trivial solution to achieve stability of the closed loop PID and lead-lag controllers are the two most popular type of controllers ... this opportunity to thank Prof Lee Tong Heng, Prof Ben Chen, Assoc Prof Xiang Cheng and Prof Xu Jianxin for their courses which built up my fundamentals on the theory of control Besides, I am grateful...
Ngày tải lên: 09/09/2015, 17:57
Adaptive control of uncertain constrained nonlinear systems
... adaptive control of uncertain high-order nonlinear systems with constraints to be further investigated 1.1 Background and Motivation 1.1.3 Control of Constrained Systems Dealing with constraints in control ... constructive and systematic methods of designing adaptive controllers for constrained nonlinear systems, to show system stability, and to obtain performance bounds of the states in the closed-loop systems ... portrait of z1 , z2 for the closed loop system when SBLF is used 3.7 Phase portrait of z1 and z2 for the closed loop system when ABLF is used ix 71 List of Figures 3.8 Phase portrait of z1 and...
Ngày tải lên: 11/09/2015, 16:01
Adaptive control and neural network control of nonlinear discrete time systems
... b} u(k) control input(s) of the system to be controlled y(k) output(s) of the system to be controlled ξj (k) the jth state variable of the system to be controlled ¯j (k) ¯ ξ the vector of states ... adaptive control Though for adaptive control of linear continuous-time systems, there are lots of counterpart results for linear discrete-time systems, adaptive control of nonlinear discrete-time systems ... stability of linear adaptive systems was analyzed The success of adaptive control of linear systems has motivated the rapid growing interest in nonlinear adaptive control from the end of 1980’s...
Ngày tải lên: 14/09/2015, 08:39
Adaptive neural network control of discrete time nonlinear systems
... List of Figures ix List of Tables xii Introduction 1.1 Adaptive Neural Network Control of Nonlinear Systems 1.1.1 Neural Networks 1.1.2 Adaptive NN Control of Continuous-time ... nonlinear SISO system, adaptive control scheme is still an active topic in nonlinear system control area Using the backstepping design procedures, a systematic approach of adaptive controller design ... nonlinear non-affine systems controller design [80] proposed a new control law for non-affine nonlinear system for a class of deterministic time-invariant discrete system which is free of the usual restrictions,...
Ngày tải lên: 15/09/2015, 21:13
Control of master slave actuation systems for MRI FMRI compatible haptic interfaces
... order linear system has a natural frequency of 49.5Hz and a (low pass) cutoff frequency of approximately 100Hz We see that the Bode plot of the linear system is very close to that of the nonlinear ... motion control However the compatibility of the actuation system presents a major hurdle in the development of MR compatible robots This thesis analyzes two master-slave kind of actuation systems ... analysis of hydrostatic system 21 3.5 System dynamics and hose diameter 23 3.6 System dynamics and hose length 24 3.7 Analysis of system...
Ngày tải lên: 03/10/2015, 21:57
Finitetime stabilization and guaranteed cost control of linear autonomous delay systems with bounded controls
... problem of the finite-time control of linear time-delay systems with bounded controls is of interest in its own right Motivated by the above discussions, we study the problem of finite-time control ... The study of stabilizations of systems with control constraints is not only a natural mathematical problem, but also arises often in many applied areas [11-14] It is clear that control constraints ... the stabilization of linear systems using bounded controls IEEE Trans Aut Contr., 39, 2411-2425 [13] Zhou B & Duan G.R (2009), Global stabilization of linear systems via bounded controls Syst Contr...
Ngày tải lên: 14/10/2015, 08:03
Finitetime stability and H control of linear discretetime delay systems with normbounded disturbances
... stability of the system are proposed Starting from these results, we have provided sufficient conditions for the solution of the H∞ control of the system The proposed conditions are expressed in terms of ... (4) This completes the proof of the theorem In the sequel, we will solve the problem of finite-time H∞ control for system (1), i.e., we will design a state feedback controller u(k) = Kx(k) such ... state feedback controller which guarantees FTS of the closed-loop system and reduces the effect of the disturbance input on the controlled output to a prescribed level The novel features of this paper...
Ngày tải lên: 14/10/2015, 08:06
Fuzzy Control of a Gantry Crane System
... Fuzzy Control System References (can be available upon requirement) • • • DE-6 Gourp 672 (Spring 2004) report: Control of the Crane Project 2004 A Benhidjeb and G.L Gissinger, “Fuzzy control of ... this system, better system performance are expected through this project Reference input Crane system+ motor sensors D/A Defuzzification Inference engine fuzzification A/D Fig A framework of a ... comparison with classic control , Control Engineering Practice, Vol.3, No.12, 1995, pp.1687-1696 J Yi, Naoyoshi Yubazaki, and Kaoru Hirota, “Anti-swing and positioning control of a overhead traveling...
Ngày tải lên: 28/12/2015, 14:05
Hình 1. FIS Editor ỨNG DỤNG HỆ MỜ ĐIỀU KHIỂN SVC TRÊN LƯỚI ĐIỆN APPLICATION OF FUZZY LOGIC CONTROL OF SVC TO POWER SYSTEM
... học Kỹ thuật, Hà Nội, 2001 [4] Arnim Herbig, On load Flow Control in Electrical Power Systems, Stockholm, 2000 [5] Carson W Taylor, Power System Voltage Stability, 1994 [6] Darren Redfern, Colin ... Matlab•5Handbook, Springer [7] Satish Maram, Hierrachical Fuzzy Control of the UPFC and SVC located in AEP’s Inez Area, Master of Sciences in Electrical Engineering, 2003 ... (VA): công suất định mức - Reference voltage Vref (pu): điện áp đặt - Time constant of voltage measurement system Tm (s): số thời gian hệ thống đo điện áp - Average time delay due to thyristor...
Ngày tải lên: 28/12/2015, 19:03
The Control of Anti-Lock Braking System (ABS) and Anti-Skid Reduce System (ASR) in the Diesel-Powered Cars Based on the TMS320F243 DSP
... full control of the vehicle Advanced Anti-Skid system is upgrade of the previous system and requires four wheel speed sensors, four control circuits, and a high performance control system This system ... rear wheels Anti-Skid systems provide the next level by adding control to all wheels and includes–three wheel sensors, three control ircuits and the system controller This system provides both ... interchangeable with minor changes in the controller software [3] Anti-Lock systems are low cost with one wheel sensor on the differential, one control circuit and a system controller or primarily light...
Ngày tải lên: 23/02/2017, 22:03
Sustainability of an energy conversion system in Canada involving large-scale integrated hydrogen production using solid fuels
... value of 0.7 is assigned to them, which is the highest value for efficiencies of all the items in the system Design: Impact of design of a process or an element on sustainable operation of the system ... impact on system sustainability of indicators and system components, but it does provide a broad understanding of the impact on the sustainability of the system The values for each of the specific ... sustainability of such a large system depends on the choice of technologies, which in turn is dependent on future changes in the global energy market Large-scale integrated hydrogen production system...
Ngày tải lên: 05/09/2013, 14:58
A new nodeling of the macpherson suspension system and its optimal pole placement control
... semi-active system based upon the generation method of the control force The semi-active suspension system produces the control force by changing the size of an orifice, and therefore the control ... that of the conventional model By changing the length of the control arm, it is possible to design a wide range of plant models An optimal poleplacement controller, which combines the LQ control ... nonlinear control technique which combines the adaptive control and the variable structure control with an experimental electro-hydraulic suspension system In their research, the performance of the controlled...
Ngày tải lên: 24/04/2015, 16:10