c programming guide for beginners

Control engineering - a guide for beginners

drupal 7 primer [electronic resource] creating cms-based websites a guide for beginners

... to CMS concepts.The second part is focused on starting an account, installing Drupal with atimesaving “one-click” installation tool, and covering important basics such assecurity and basic conﬁguration. ... GoogleAccount, go to Google.com, click the “Sign-in” link, and click the “Create anAccount now” link.)Then, on the next page, click the Create site button (see Figure 2.6).The Site creation ... introduced to adding contentto the site, which includes learning about various modules that can add additionalfeatures and functions.The third part introduces some techniques and concepts for...

making sense of online learning a guide for beginners and the truly skeptical

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... the University of ColoradoHealth Sciences Center in Denver, called me a while back for someadvice. She was working on an online course to educate patientsabout pancreatic cancer and was frustrated ... onespeci c time)Potential Cons: Online LearningLack of visual cuesTechnological and access hurdlesFavors those who communicatewell in writingImmediate feedbackVisual cuesEase of social ... exact script when they phone the callcenter to complain about defective merchandise, for example, whyshould we train call-center reps to memorize one rigid script? Ananalysis of how the content...

Bash Guide for Beginners

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... statements: constructs used in Bash to test conditions.ã Chapter 8: Interactive scripts: making scripts user-friendly, catching user input.ã Chapter 9: Executing commands repetitively: constructs used ... its configuration files and decides which services to start orBash Guide for Beginners Chapter 1. Bash and Bash scripts 18 Chapter 1. Bash and Bash scriptsIn this introduction module weDescribe ... $-himBHIn non-interactive shells, the prompt, PS1, is unset.Bash Guide for Beginners Chapter 1. Bash and Bash scripts 9 franky ~> printenvCC=gccCDPATH=.:~:/usr/local:/usr:/CFLAGS=-O2 -fomit-frame-pointerCOLORTERM=gnome-terminalCXXFLAGS=-O2...

Control Engineering - A guide for beginners - Chapter 1 ppt

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... electronic control-lers, and excludes mechanical and pneumatic control systems. The user, who is faced with choos-ing a controller for his particular application, will be shown initially which ... of ways to carry out this task: me-chanical, pneumatic, electrical, mathematical. The mechanical controller, for example, alters a sig-nal through a lever system, the electronic controller ... be comprehensive.Mechanical variations:- Compact controllers (process controllers) contain all the necessary components (e.g. display, keypad, input for setpoint etc.) and are mounted in a case...

Control Engineering - A guide for beginners - Chapter 2 ppsx

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... and non-linear characteristicsDynamic characteristicThe dynamic response of the process is decisive for characterizing the control loop. The dynamiccharacteristic describes the variation in the ... process2.1 Dynamic action of technical systemsThe process is the element of a system which has to be controlled in accordance with the applica-tion duty. In practice, the process represents ... becorrected by applying an opposing MV. An excessive change in MV could cause the process valueto swing back below the desired setpoint, which is why control of such a process is more difficult....

Control Engineering - A guide for beginners - Chapter 3 pptx

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... working point correctiony / %Controller characteristicPermanent control deviationSetpoint wX = 100 C T / C T / C 1005040100150200 300400Static process characteristic40020025 ... addition,controllers with a rising characteristic (direct operating sense) are used for certain processes. For instance, the manipulating variable in a cooling process must decrease as the process ... the static characteristic of the process is known, the resulting control deviation can be found di-rectly. Fig. 33 shows the characteristic of a P controller with an XP band of 100 C. A setpoint...

Control Engineering - A guide for beginners - Chapter 4 pps

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... increased tendency to overshoot, because of this I component, andthe control becomes a little more sluggish. Accurate stable control of processes affected by delayscan be achieved by a P controller, ... accepted as given, good controlquality can only be achieved by a suitable choice of controller type and an appropriate optimiza-tion.The disturbances can act at different points in the process. ... However, it could happen that the control loopbecomes unstable, and that the manipulating variable and process variable perform periodic oscil-lations. Under certain circumstances, this could result...

Control Engineering - A guide for beginners - Chapter 5 pptx

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... set con-tact spacing, because the final pulse runs the actuator into the contact spacing and thereby redu-ces the control deviation.As the actuator drive has the same characteristic for clockwise ... the contact spacing. If a processenters the contact spacing, the P component is not effective. In the contact spacing, only the I andD components are effective, and in principle the process ... resistancethermometer together with the necessary electronic circuitry takes the place of the bimetallicswitch.Fig. 52: Characteristic of a discontinuous controller The discontinuous controller...

Control Engineering - A guide for beginners - Chapter 6 doc

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... Additive switched disturbance correctionControllerProcessAuxiliarycontrollerywxzControllerProcessywxzzyyz c) Multiplicative switched disturbance correctionControllerProcesswxzz0—100%KP ... switched distur-bance correction takes into account any offset shifts in the process. Controllers that allow such aswitched disturbance correction to be implemented (compact controllers), normally ... actuating controllers, with PI or PID action. With microprocessor controllers, func-tions such as ratio control can usually be configured directly.6.8 Multi-component controlIn a multi-component control...

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TCP/IP Sockets in C# Practical Guide for Programmers phần 1 pot

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... AlmerothTCP/IP Sockets in Java: Practical Guide for ProgrammersKenneth L. Calvert and Michael J. DonahooTCP/IP Sockets in C: Practical Guide for ProgrammersMichael J. Donahoo and Kenneth L. CalvertJDBC: ... experience with C# and Microsoft Windows.You are expected to be conversant with C# concepts such as classes, methods, interfaces,and basic inheritance. We assume that you have access to a Microsoft ... SpielmanJava: Practical Guide for ProgrammersZbigniew M. SikoraThe Struts Framework: Practical Guide for Java ProgrammersSue SpielmanMulticast Sockets: Practical Guide for ProgrammersDavid...

TCP/IP Sockets in C# Practical Guide for Programmers phần 2 pptx

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... instance of TcpListener listens for TCP connection requestsand creates a new socket (in the form of a TcpClient or Socket instance) to handle eachincoming connection.2.3.1 TCP ClientA TCP client ... incoming connections: lines 29–53■Accept an incoming connection: line 35The sole purpose of a TcpListener instance is to supply a new, connectedTcpClient instance for each new TCP connection. ... the TCP echo client with a graphical interface.TcpClient SummaryDescriptionTcpClient provides simple methods for connecting to, sending, and receiving dataover a TCP connection. The TcpClient...