... Terms—AC–DC power conversion, actuators, conveyors, current control, phase control, resonance, silicon-controlled recti-fier (SCR), switching circuits. I INTRODUCTION VIBRATORY movements represent ... behavior of the controllable mechanical oscillator [14], [15] Silicon-controlled rectifier (SCR) converters are used for the EVA standard power output stage Their usage implies a phase angle control ... firing angle provides the controlled ac or dc injection current to control mechanical oscillations amplitude, but not the tuning of their frequency Since conventional SCR controller operates at
Ngày tải lên: 03/01/2014, 19:16
... investigates this issue for three popular control schemes used currently: Voltage Mode Control (VMC), Average Current Mode Control (ACMC), and Peak Current Mode Control (PCMC) The concept of critical ... investigated for the three kinds of control schemes mostly used in today’s VRM; Voltage Mode Control (VMC), Average Current Mode Control (ACMC), and Peak Current Mode Control (PCMC) These studies are ... most popular current mode controls are investigated: average current mode control and peak current mode control For each case, a large signal model is derived, the controller design procedure
Ngày tải lên: 07/10/2015, 10:18
Performance analysis and troubleshooting of process control loops
... PERFORMANCE ANALYSIS AND TROUBLESHOOTING OF PROCESS CONTROL LOOPS ROHIT RAMACHANDRAN NATIONAL UNIVERSITY OF SINGAPORE 2005 Trang 2PERFORMANCE ANALYSIS AND TROUBLESHOOTING OF PROCESS CONTROL LOOPS ... monitoring and enhancement of control loops For detecting poor control loop performance, many methods exist in the control literature The minimum variance benchmark for control loop performance assessment ... the use of automatic process controllers to Trang 29control the key variables This is because control of an FCC unit is an important and challenging problem Precise control of the FCC unit is important
Ngày tải lên: 28/11/2015, 13:34
Crack control concrete
... the cracks through the fibres Consequently the strain in steel bars is reduced Trang 16Instantaneous Crack Widthss c i Trang 17Proposed SFRC Crack Width Model ResultsTrang 18Time Dependent Crack ... dependent cracking; and Shrinkage causes a reduction in tension stiffening with time All of these contribute to the long term deflection and cracking of a RC member Trang 4 The width of a crack ... reinforcing steel crossing the crack Concrete cover and member size The bond between the concrete and reinforcement The deformation properties of the concrete Trang 5Crack ControlTrang 6Simplified
Ngày tải lên: 01/04/2022, 06:10
promoting-critical-thinking-through-troubleshooting-exercises-in-fundamental-electric-circuits-labs
... Electrical Fundamentals Lab Lab 9 Troubleshooting 2 Troubleshooting of Parallel Circuits Implementation Lab 12 Troubleshooting 3 Troubleshooting of Series-Parallel Circuits with Two Power Sources ... troubleshooting plan, reflective discussions, and conclusions in their reports to evaluate students’ critical thinking skills A newly-designed critical thinking rubric refined for circuits troubleshooting ... evaluation of students’ troubleshooting reports, about 38% of students who completed all troubleshooting activities and assignments showed significant improvement in their troubleshooting skills
Ngày tải lên: 30/10/2022, 17:57
Ebook Analog and digital circuits for electronic control system applications: Using the TI MSP430 microcontroller - Part 1
... 2Analog and Digital Circuits for Electronic Control System ApplicationsTEAM LRN Trang 3This page intentionally left blank TEAM LRN Trang 4Analog and Digital Circuits for Electronic Control System ... systems and back again Analog and Digital Circuits for Control System Applications identifiesthe electronic tions needed, and describes how electronic circuits are designed and applied to implement ... complete proce-dure is indicated in Figure 1-7, and the need for analog circuits, digital circuits and the conversion circuits between them is immediately apparent DIGITAL-TO-ANALOG This signal
Ngày tải lên: 26/01/2023, 12:34
Ebook Analog and digital circuits for electronic control system applications: Using the TI MSP430 microcontroller - Part 2
... CPU is controlled accordingly Basic Clock System Control Registers The basic clock system is set up (configured) by using three control registers, the DCOCTL (the controlled oscillator control ... destination ADDR More on MSP430 Control It will be important to the understanding of assembly-language programming to look further how the MSP430 microcontroller is controlled One of the principal ... basic clock system control registers, BCSCTL1 and BCSCTL2, are shown in Fig-ure 7-9, along with a brief description of the control affected by the bits of each register BCSCTL1 controls basic clock
Ngày tải lên: 26/01/2023, 12:35
C++ Basics - More Flow of Control
... Trang 2Chapter 3More Flow of Control Trang 4Flow Of Controlprogram statements are performed Trang 5Using Boolean Expressions Trang 6Using ... branch If an invalid grade is entered, a default branch is used Trang 39The Controlling Statement A switch statement's controlling statement must return one of these types A bool value An enum ... section of code Trang 41The default Statement If no case label has a constant that matches the controlling expression, the statements following the default label are executed If there is no
Ngày tải lên: 12/09/2012, 22:47
Xe ô tô BMW X5 E70 SM 05c1_E70 Park Distance Control
... park distance control is activated E70 Park Distance Control System Circuit Diagram - Park Distance Control E70 Park Distance Control Legend for System Circuit Diagram - Park Distance Control Index ... distance control deactivated when trailer is connected In Reverse gear status Gear selector lever > electronic transmission control Park distance control ON, with reverse gear engaged Out Check control ... converter and new control unit • Visual representation of distance to obstacle • Audible signalling through radio speakers E70 Park Distance Control Input/Output - Park Distance Control Index Explanation
Ngày tải lên: 19/10/2012, 13:50
Xe ô tô BMW X5 E70 SM 08_E70 Climate Control Systems
... 11Air Flow Control/Blower Speed ControlAir flow control is dependent on the following settings and parameters Blower controlautomatic mode If automatic mode has been activated in the IHKA control ... Heater Core .25 Blower Unit 27 Air Flap Control Actuator 29 IHKA Controls, Control Unit 33 Temperature, Air Flow and Air Distribution Control 34 IHKA Sensors 34 NTC Evaporator ... Climate Control Menu allows us to activate or de-activate the FKA rear climate trol via the controller A checked box next to “Rear Climate Control” function will show thesystem activated The FKA control
Ngày tải lên: 19/10/2012, 13:50
Shop Manual & ETM BCM KIA Cerato 2010 - BCM (Body Control Module)
... SystemDescription Language Trang 5Body control module (A) receives various input switch signals controlling time and alarm functions for wiper control, tail lamp auto cut, auto light control, front fog lamp, ... buzzer control, seat belt warning, key operated warning, ESCL warning, defogger timer, front deicer timer, power window timer, door lock/unlock control, trunk release control Function Wiper Control ... IN OFF : Key In OFF and IGN1 OFF and IGN2 OFF Trunk Release Control 1 Trunk Release Control Data Flow Trang 192 Trunk Release Relay Control(1) Turn Trunk Release Relay ON during T1 when TX TRUNK
Ngày tải lên: 22/10/2012, 15:55
Báo cáo y học: "Cancer control through principles of systems science, complexity, and chaos theory: A mode"
... therefore] the controller must be able to control all n variables in order to avoid the significant risk of leaving some subset of those variables uncontrolled” [16] The enormity of controlling ... variety that states that “…for effective control the variety available to the controller should be the same as the variety available to the system to be controlled” [16] The implications of this ... explore ways how to regain control over them All living things experience various iterations of pendulum-like swings in their morphology and physiology which are controlled by resetting mecha-nisms
Ngày tải lên: 26/10/2012, 10:04
Network Congestion Control Managing Internet Traffic
... Congestion control for multimedia applications 139 4.5.1 TCP-friendly congestion control mechanisms 143 4.5.2 The Datagram Congestion Control Protocol (DCCP) 149 4.5.3 Multicast congestion control ... Then, at least one controller and one measuring point must participate in any congestion controlscheme that involves feedback 2.3.1 Closed-loop versus open-loop control In control theoretic terms, ... opposed to reactive control) in (Keshav 1991a) Keshav also pointed out what we have just seen: that these two control modes are not mutually exclusive 2.3.2 Congestion control and flow control Since
Ngày tải lên: 02/03/2013, 16:59
vsphere-esxi-vcenter-server-501-troubleshooting-guide
... Compliance Failure 30 3 Troubleshooting Clusters 31 Troubleshooting vSphere HA Admission Control 31 Troubleshooting Heartbeat Datastores 33 Troubleshooting vSphere HA Failovers 34 Troubleshooting vSphere ... from Template 13 2 Troubleshooting Hosts 15 Troubleshooting vCenter Server and ESXi Host Certificates 15 Troubleshooting vSphere HA Host States 17 Troubleshooting Auto Deploy 21 Troubleshooting ... following topics:n “Troubleshooting vSphere HA Admission Control,” on page 31 n “Troubleshooting Heartbeat Datastores,” on page 33 n “Troubleshooting vSphere HA Failovers,” on page 34 n “Troubleshooting
Ngày tải lên: 15/03/2013, 10:17
Gioi thieu dien thoai tong Siemens HiPath 4000 V4
... HiPath MobileConnect trong tài liệu hướng dẫn Nâng cấp/Chuyển đổi sang HiPath 4000 V4 Tổng đài HiPath 4000 V4 cung cấp kiến trúc hệ thống IP thời gian thực với nhiều lựa chọn phong phú Các ứng ... architecture • Desktop productivity • Các ứng dụng Hipath • Nâng cấp/Chuyển đổi sang HiPath 4000 v4 • Giao tiếp hệ thống • Thông số kĩ thuật Các ứng dụng lap dat tong dai dien thoai có thể thích ... dung lượng hệ thống có thể mở rộng dễ dàng bằng cách sử dụng thêm các module tương ứng HiPath 4000 V4 cung cấp một giải pháp lý tưởng cho một mạng tổng thể doanh nghiệp đáp ứng mọi yêu cầu về dung
Ngày tải lên: 01/04/2013, 14:38
Control Structures
... print 6 Trang 30Essentials of Counter-Controlled Repetition ¢ Counter-controlled repetition requires — Name of control variable/loop counter — Initial value of control variable — Condition to test ... Structured-Programming Summary Trang 2Control Structures ¢ Sequential execution — Statements executed in order ¢ Transfer of control — Next statement executed not next one in sequence ¢ 3 control structures ... Chapter 2 - Control Structures Outline Control Structures if Selection Structure iffelse Selection Structure while Repetition Structure Formulating Algorithms: Case Study 1 (Counter-Controlled
Ngày tải lên: 25/04/2013, 19:12
water conditionning control systern
... is plugged into a power source of correct voltage that is not controlled by a wall switch Trang 6400 Series Control Settings440i Control Figure 5 Programming 1 Set days of regeneration on skipper ... is used only with the 460i control If you are using the 440i control, this section does not pertain to your conditioner The metering device used with the 460i demand control may require simple ... to its full length Make sure power source matches the rating printed on the control Be certain a wall switch does not control the outlet 12 VAC: Connect the plug of the transformer (supplied) secondary
Ngày tải lên: 27/04/2013, 10:00
Control Panel
... Trang 2- Trình ứng dụng Control panel dùng để cài đặt hoặc thay đổi các tham số hệ thống - để khởi động Control panel: nháy Start Control panel - Để thiết đặt loại tham số ... thuộc tính màn hình nềnĐể thay đổi thuôc tính màn hình nền: dùng chương trình Display trong Control panel(Control panel Display) Trang 41 Thiết lập màn hình nền, anh nền chọn trang desktop. Chọn ... Control panel - Để thiết đặt loại tham số nào cần khởi động chương trình tương ứng - Để kết thúc Control panel thực hiện một trong các cách sau: File Close Close(X) Alt + F4 Trang 31 Thay đổi
Ngày tải lên: 17/07/2013, 01:26
Control of Membrane Fouling by Coagulant and Coagulant Aid Addition in Membrane Bioreactor Systems
... Trang 1Journal of Water and Environment Technology, Vol 8, No.3, 2010 Control of Membrane Fouling by Coagulant and Coagulant Aid Addition in Membrane Bioreactor Systems ... The mixture of polysilicate and Fe(III), and commercial polysilicato-iron (PSI) were employed to control membrane fouling risk Batch experiments and long-term membrane bioreactor (MBR) experiments ... 1:1 (PSI-100) and Fe/Si = 1:0.25 (PSI-025) Sole polysilicate addition in MBR showed no effect on controlling membrane fouling risk, while the mixture of polysilicate and Fe(III) could yield some
Ngày tải lên: 05/09/2013, 10:15
Multi criteria analysis in environmental management: Selecting the best stormwater erosion and sediment control measure in Malaysian construction sites
... choosing the best stormwater control measure by depending on specified criteria and criterion weight The results obtained from the application of MCA in stormwater pollution control have many benefits ... study 2 Criteria relevant for the assessment of erosion and sediment control measures Best management practices (BMPs) for controlling construction site stormwater due to erosion and sedimentation ... of BMPs in erosion and sediment control The criteria that have been adopted in this study were illustrated in Figure 1 below Trang 3Figure 1 Erosion and sediment control criterion 3 Materials and
Ngày tải lên: 05/09/2013, 16:11
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