industrial control circuits pdf

Ngày tải lên: 21/06/2014, 15:20

Ngày tải lên: 08/08/2014, 01:21

... thêm về TextBox và Label Controls Trong bài 1 quý vị đã làm quen với Label và TextBox controls.Bài này chúng tôi sẽ đi sâu vào một số Methods và Events thông dụng của 2 controls trên.Bây giờ chúng ... tên của control được sử dụng trong mã chương trình, còn caption là tên hiện ra trên thanh tiêu đề (title bar)của form. 2.Ðặt các controls với Properties như bảng1 dưới đây lên form LogIn Control ... phần.Bên trái là danh sách các Controls, bên phải là danh sách các Events của một control tương ứng. Muốn viết mã chương trình cho Event nào chỉ cần click vào tên Control và tên Event, sau đó...

Ngày tải lên: 10/12/2013, 01:15

... false). Be careful of the distinction between ‘=’ and ‘==’. 5.3 Flow control operations MATLAB contains the usual set of flow control structures, e.g., for, while, and if, plus the logical operators, ... Matrix Operations 5 5.1 Arithmetic matrix operations . . 6 5.2 Relational operations . . 6 5.3Flow control operations . 7 5.4 Math functions . 7 6 MATLAB Files 7 6.1 M-Files . 8 6.1.1 Scripts . . ... shown in Figure 2. 9.1.2 Customized solution It may be desirable to display the results with more control over the appearance of the plot. The following script plots the same results but shows how...

Ngày tải lên: 12/12/2013, 07:15

... Electronics Diode circuits Prof. C.K. Tse: Diode circuits Contents • Diode models • Typical diode circuits & applications • Load line concepts for nonlinear load analysis 12 Prof. C.K. Tse: Diode circuits Solution ... C.K. Tse: Diode circuits Step 2 : KVL & KCL constraints from KCL : i d = i R AND from KVL : v d + v R = V s We also know = + = V s O 2 Prof. C.K. Tse: Diode circuits What is ... the LOAD LINE. 7 Prof. C.K. Tse: Diode circuits Application examples clamper dc restorer half-wave doubler full-wave doubler 3 Prof. C.K. Tse: Diode circuits Ideal characteristic Bias conditions Forward...

Ngày tải lên: 13/12/2013, 22:15

Ngày tải lên: 14/12/2013, 12:15

Ngày tải lên: 14/12/2013, 20:16

... with electromagnetic drive and power converter control circuits for its optimal control DESPOTOVIC ´ AND STOJILJKOVIC ´ : POWER CONVERTER CONTROL CIRCUITS FOR TWO-MASS VCS 459 Fig. 11. Amplitude ... 0–10 kHz. A. Phase Control A principal block diagram for implemented phase control is shown in Fig. 17. It consists of the following functional units: 464 IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS, ... voltage controlled os- cillator and controller output. This reference value is determi- nated by reference inputs, for amplitude and duration and for frequency. Both of these signals are controlled...

Ngày tải lên: 03/01/2014, 19:16

... Event Control of Manufacturing Systems 3.1 Introduction 3.2 Background on the Logic Control Problems Logic Control Definition • Control Modes • Logic Control Specification • Tasks of a Logic Control ... machine. The controller finite state machine will act to disable controllable events that should not happen in certain states. For a plant P and a controller C, both finite state machines, the controlled ... Industrial Practice Programmable Logic Controllers • Relay Ladder Logic • Sequential Function Charts 3.4 Current Trends Issues with Current Practice • PC-Based Control • Distributed Control...

Ngày tải lên: 23/01/2014, 06:20

... Edition   !"#$"% 4 Programmability and Specialized Circuits Permanent Pacemaker Programmability !&''%( $"")%*"( &'+,-"(% """%(" *"""(% ""+ ."/-! /"'("' '%+0''"& (&%"(&%"+"1%" "%&"'+2"'&&'' '%(%"+ -((%%%"""1%( %*"'"+3%"" "(%""& %+%"" %"'&'+ 4%1%'"" &"+ 5! %"+2 67%89" !+:; %%-<+.%"'" "$"%%"((%" "%%''&""('& %"+"%%%&-'' %'"" '""+# ""%-'+3"'"% "%(&'("" %%+=-(...

Ngày tải lên: 24/01/2014, 01:20

... proportional controller can still vary some even when it is working well (although is should work much better than On/Off control) . More Advanced Control (PI) In order to make our cruise control ... information about controllable structures is detailed in the Appendix. We recommend that you read this information particularly if carrying out PID control. CONTROL STRATEGY The Control Strategy ... determined by a control strategy. A control strategy describes how the gate level is set when a condition is met at a control point. For a specific gate it is possible to have any number of control strategies...

Ngày tải lên: 25/01/2014, 12:20

... important bearing on the quality of industrial capital. At lower levels of financial development where, ceteris paribus, asset price discounts are higher, industrial capital assets can be financed ... against bank loans, and the economy’s industrial capital should evolve toward incorporating more sophisticated technologies. The increase in knowledge-intensity of industrial capital can alternatively ... industrial capital. 3.1 The economy The model refers to an emerging economy characterized by a bank-dominated financial system. Banks are relatively well developed - as compared to, say, an industrialized...

Ngày tải lên: 27/01/2014, 11:20

... Accounts chọn Turn User Account Control on or off 3 of 13 “Chuyên trang dành cho kỹ thuật viên tin học” CHIA SẺ - KINH NGHIỆM - HỌC TẬP - THỦ THUẬT Part 23 - User Account Control - Firewall Ai đã ... Rules nhấp phải chọn New Rule Chọn Custom 7 of 13 OK mình vừa giới thiệu xong phần User Account Control & Firewall 70-290, 70-620 của MCSA. Công ty TNHH đầu tư phát triển tin học GC Com Chuyên ... Properties để tiến hành chỉnh sửa IP của máy, khi đó hệ thống sẽ bật lên hộp thoại User Account Control và hỏi ý bạn có muốn tiếp tục hay không? Đương nhiên ta chọn Continue thì vẫn có thể chỉnh...

Ngày tải lên: 27/01/2014, 15:20

... cannot be specified. This section briefly reviews the control techniques for SA suspensions. 12.5.2 Semi-Active Control Concept The elementary SA controller design is the so-called on-off SA strategy, ... referred to as the on-off skyhook control policy, whereby the damper forces are controlled like the configuration shown in Figure 12.19. Mathematically, the on-off skyhook control policy can be described ... developments in multivariable control design methodology and microprocessor implementation of modern control algorithms have opened a new era for the design of externally controlled passive systems...

Ngày tải lên: 27/01/2014, 15:20

... Measurements, and Control, 113, 558. Youcef-Toumi K. and Ito O., 1990, A time delay controller for systems with unknown dynamics, Journal of Dynamic Systems, Measurements, and Control, 112, 133. Zitek ... 660 670 680 690 700 710 720 730 740 750 10 -2 10 -1 10 0 10 1 f (Hz) Control on, 2.4 Hz/s sweep Control on, 10 Hz/s sweep Control off x q Amplitude of (m/s ) 2 N I θ a m a I a , R a c a R N n ... Problems, Chapman and Hall, London. Yang, B., 1991, Noncollocated control of damped string using time delay, Proceedings, 1991 American Control Conference, Boston. Youcef-Toumi K. and Bobbett J., 1991,...

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