computer based control systems pdf

Ngày tải lên: 14/12/2013, 12:15

... support. REFERENCES [1] S.M.KuoandD.Morgan,Active Noise Control Systems, John Wiley & Sons, New York, NY, USA, 1996. [2] S. J. Elliott and P. A. Nelson, “Active noise control, ” IEEE Signal Processing Magazine, ... vol. 10, no. 4, pp. 12–35, 1993. [3] S. J. Elliott, “Optimal controllers and adaptive controllers for multi-channel feed-forward control of stochastic distur- bances,” IEEE Transaction on Signal ... function. −160 −140 −120 −100 −80 −60 −40 −20 0 FFT of control signal 0 100 200 300 400 500 600 700 800 900 1000 Hz FXLMS Proposed algorithm Figure 12: FFT of control signals. figure, it is clear that the control signal in the...

Ngày tải lên: 22/06/2014, 23:20

Ngày tải lên: 11/08/2014, 14:20

... Kin trỳc PC -based Control â 2005 - HMS Chương 5: Kiến trúc PC -based Control 5.1 Tạisaosử dụng giải pháp PC 5.2 Các vấn đề cơ bản của giải pháp PC 5.3 Cấu hình cơ bảnmột hệ PC -based Control Các ... Bus Power supply A I/O S I/O 4 â 2004, HONG MINH SN Chng 5: Kin trỳc PC -based Control â 2005 - HMS Thị trường PC -based Control ở châu Âu (Theo Computerzeitung 5/1998 ) 165.3 345 665.4 78.7 0 100 200 300 400 500 600 700 1998 ... trỳc PC -based Control â 2005 - HMS Dự phòng máy tính ₫iềukhiển Bus trường Ethernet-TCP/IP DCOM Tích cực/ Dự phòng Tích cực/ Dự phòng ĐKĐK 3 â 2004, HONG MINH SN Chng 5: Kin trỳc PC -based Control â...

Ngày tải lên: 20/08/2012, 11:33

... to put computer criminals behind bars. COMPUTER CRIMES: HOW COMMON? HOW OFTEN ARE THEY REPORTED? The FBI’s national Computer Crimes Squad estimates that between 85 and 97 percent of computer ... their computers have been attacked.” Besides, of the computer crimes that *are* reported, few are ever solved. SO, ARE HACKERS A BIG CAUSE OF COMPUTER DISASTERS? According to the Computer ... about computer systems and how to stretch their capabilities; a person who programs enthusiastically and enjoys dedicating a great deal of time with computers." 1983 the IBM Personal Computer...

Ngày tải lên: 11/12/2013, 15:15

... important tool for analysis of continuous time dynamic systems, and Z transforms are an important tool for analysis of discrete time dynamic systems. Im- portant commands to manipulate these transforms ... Project Athena Dashboard by navigating as follows: Courseware//Electrical Engineering and Computer Science// 6.003 Signals and Systems/ /MATLAB. These commands display a graphical user interface for exploring ... figure orient Specify orientation of a figure 8 Signals and Systems Commands The following commands are organized by topics in signals and systems. Each of these commands has a number of options...

Ngày tải lên: 12/12/2013, 07:15

Ngày tải lên: 26/01/2014, 07:20

... Figure 2.3 Desktop PC systems. Client-server systems, upon which Web systems are built, require a network and at least two machines to operate: a client computer and a server computer, which serves ... 354 Help System Analysis 354 Types of Help Systems 354 Application Help Systems 354 Reference Help Systems 355 Tutorial Help Systems 355 Sales and Marketing Help Systems 355 Evaluating the Target User ... and Internet -Based Systems Second Edition 201006 FM.qxd 6/5/03 11:14 AM Page i Hung Q. Nguyen Bob Johnson Michael Hackett Testing Applications on the Web: Test Planning for Mobile and Internet -Based Systems Second...

Ngày tải lên: 22/03/2014, 18:20

... maintenance of rule -based NERC sys- tems. This paper presents such a method, ex- ploiting machine learning in an innovative way. Our method controls rule -based NERC systems with NERC systems constructed ... appears inside another NE in the text. 4 Controlling a Rule -based System Us- ing Machine Learning Machine learning has been used successfully to control a rule -based system that performs a dif- ferent ... network (Stricker et al., 2001). In our present study, we control the rule- based NERC systems that have been presented in section 3, with NERC systems constructed by the C4.5 algorithm. Our method...

Ngày tải lên: 23/03/2014, 19:20

... Case Studies and Applications of Web Based EIS and ECS Systems 3 Chapter 2— Web Resources for Web Based Energy Information and Control Systems 11 II. Web Based EIS Case Studies 23 Chapter 3— ... started as basic web -based energy informa- tion systems has expanded into web -based energy infor- mation and control systems, and finally to enterprise energy management systems. Technological ... complex and effective control systems. It is this latter point that is addressed in this second book. The technological wave of IT and web based en- ergy information and control systems continues...

Ngày tải lên: 01/06/2014, 12:15

... along with a virtual control law Advances in Flight Control Systems 32 where the higher-order control- surface dependencies are still contained in ( ) 0 , M XU . The control objective in ... tracking errors and control inputs 6. Conclusions In this paper a nonlinear adaptive flight-path control system is designed for a high-fidelity F-16 model. The controller is based on a backstepping ... formation-flying control. Appendix constraint adaptive backstepping Backstepping [21] is a systematic, Lyapunov -based method for nonlinear control design, which can be applied to nonlinear systems...

Ngày tải lên: 19/06/2014, 23:20

... purposes) Journal of Occupational Medicine and Toxicology Open Access Review Nanotechnology -based drug delivery systems Sarabjeet Singh Suri 1 , Hicham Fenniri 2 and Baljit Singh* 1 Address: 1 Department ... including peptide -based nanotubes to target the vascular endothelial growth factor (VEGF) receptor and cell adhesion molecules like integrins, cadherins and selectins, is a new approach to control disease ... delivery systems. For therapeutic applications, drugs can either be integrated in the matrix of the particle or attached to the particle surface. A drug targeting system should be able to control...

Ngày tải lên: 20/06/2014, 00:20

... routine. Computer technology can support the collection of such data. A computer- based job task activity programme was devel- oped and evaluated to analyse physicians' working behav- iours. Based ... risks such as the risk of misjudgement and inadequate confron- tation with real working events [1]. Computer- based recording methodology reduces these problems. Different tasks can be collected precisely ... Behavioral assessment New York: Allyn & Bacon; 1998. 6. Emerson E, Reeves DJ, Felce D: Palmtop computer technologies for behavioral observation research. In Behavioral observation: Technology...

Ngày tải lên: 20/06/2014, 00:20

... in wireless systems, ” IEEE Transactions on Vehicular Technology, vol. 49, no. 4, pp. 1207–1215, 2000. [4] M. Morelli and U. Mengali, “A comparison of pilot-aided channel estimation methods for OFDM systems, ” ... normalized mean squared error (NMSE) performance of DIME through computer simulations under the specifications that we assumed for 4G mobile systems. Our conclusions are given in Section 5. 2. System ... 807549, 10 pages doi:10.1155/2009/807549 Research Article Degenerated-Inverse-Matrix -Based Channel Estimation for OFDM Systems Makoto Yoshida Fujitsu Laboratories Limited, YRP R&D Center , 5-5,...

Ngày tải lên: 21/06/2014, 20:20

... important class of hybrid systems of wide presence in technological applications like telecommunication, teleoperation, or control of continuous systems by discrete controllers to which the above ... when a digital controller operates over a continuous-time plant to stabilize it or to improve its performance. The systems described in 6, 7 have a more general structure since the controlled plant ... tool for analysis in the modern computers and control technologies since they describe usual situations where continuous-time and either discrete-time and/or digital systems are coupled 6, 7. A...

Ngày tải lên: 21/06/2014, 20:20

... [17]forresourcecon- strained real-time systems, the SaveCCM [18] for vehicular systems, and the PBO [19] for the development of sensor- based control systems with specialization on reconfigurable robotics applications. IDEs ... [21]. The former provides a model -based environment for the embedded systems domain, while the latter for the control and automation domain. Today’s IDEs are mainly based on a monolithic propri- etary ... “Design and sim- ulation of heterogeneous control systems using ptolemy II,” in Proceedings of the IFAC Conference on New Technologies for Computer Control (NTCC ’01), Hong Kong, November 2001. [15]...

Ngày tải lên: 22/06/2014, 19:20

Ngày tải lên: 27/06/2014, 05:20

... implemented PI electronic controllers Such engine control systems are often integrated into the whole framework of an aircraft control system. 3. Full authority control systems There are of course ... FADEC control system is the electronic engine control (EEC) unit that represents the main computer (outlined in black, in the previous figures). Such systems that are presently used to control ... Lim, 1999) and is based on combination of centralized and decentralized control in supervisory control. Decentralized control dealing with the effects of recycle streams on the controllability...

Ngày tải lên: 29/06/2014, 14:20

Ngày tải lên: 04/07/2014, 00:20