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Q. Classify Feedback control systems according to purpose of the system?
• Position control systems. Here the output position, such as the shaft position on a motor, exactly follow the variations of the input position.
• Velocity control systems.
• Regulators. Their function consists in keeping the output or controlled variable constant in spite of load variations and parameter changes. Speed control of a motor forms a good example. Feedback control systems used as regulators are said to be type 0 systems, which have a steady-state position error with a constant position input.
• Servomechanisms. Their inputs are time-varying and their function consists in providing a one-to-one correspondence between input and output. Position-control systems, including automobile power steering, form good examples. Servomechanisms are usually type 1 or higher order systems. A type 1 system has no steady-state error with a constant position input, but has a position error with a constant velocity input (the two shafts running at the same velocity, but with an angular displacement between them).
Q. Briefly Explain Energy and Power? If a charge dq gives up energy dw when going from point a to point b, then the voltage across those points is defined as v = dw/dq If
desin try sate logic diagram
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Q. Electronic Photo Flash? A simplified schematic diagram of the electric circuit of an electronic photo flash typically used on cameras is shown in Figure 7.7.1. By passing a
Explane pn junction
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Example Register to Memory Example : Write assembly language statement to copy 25H stored in register D to memory location 3052H. Solution : Assuming 3050H is s
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