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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).
Equal volumes of all gases contain the samenumber of molecules when the volumes are measured at the same p and T. Therefore for a given volume at the same p and T, with the same
electrical project produse eneargy desingn
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#question. . =calculate the calcium carbonate equivalent hardness of calcium sulphate of 5gms present in one litre
Q. If the line of Problem 15.1.3 is made of copper whose resistivity ρ = 1.72×10 -8 ·m, determine the maximum length that can be used if losses are not to exceed 3 dB when f = 3
following on from the first tma in this module, produce a design report for one design of the product based on one of the scenarios covered on the following pages.
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Explain Mobility . Average drift velocity of electrons (e - ) in an applied field is proportional to the field, the absolute magnitude of the proportionality factor eq/m, termed
Obtain v(t) in the circuit of Figure by using the Laplace transform method.
Discuss the following points with regard to the Company selecting Jebel Ali Free Zone as its Middle East base. (a) How is a company likely to enhance its supply chain by using
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