Communication

Question 1 List the advantages and the disadvantages of a closed work operate on ashes. Advantages: Faster response to an input signal. in effect(p) flapping rejection. Better tracking of reference signals. humiliated predisposition to schema parameter errors (example: errors in plant or biddingler gains) mild sensitivity to changes in calibration errors (recalibration is unnecessary) More accurate go of plant under disturbances and literal variations. Effective and flexible guard tuning by varying the control gain engross to stabilize remainss that be inherently unstable in the open-loop form. Disadvantages: forgo the use of sensors which increase the system costs. Involve more than components which leads to more costs and complexity The power costs (due to high gains) be high. It has a more complex design, and h arder to build. Sometimes obtaining the take heart and soul is either hard or not economically feasible. sign tuning is more difficult especially if the bandwidth is narrow.

There is everlastingly a steady state error ( with proportional controllers) The system tends to become unstable as the gain is increased beyond certain limits. Question 2 Pressure measurement vector A pressure sensation mensuration transmitter has a analogue input- rig graph just like the one shown in amount transmitter graph. The input range is 0 to 200 kilopascals (kPa), and the output range is 10 to 50 mA.! Find the following: coerce siding Cm when input C = 72 kPa. insert C when output Cm = 13.7 mA. Solution: Equation for pressure measuring transmitter is Cm = 0.2C + 10. When C = 72 kPa, permutation C into equation: Cm = 0.2 x 72 + 10 = 24.4. procedure equation above: Cm = 0.2C + 10 thusly depute 13.7mA into Cm. Where equation as follows:- C = 13.7-100.2= 3.70.2= 18.5 kPaIf you want to extend a full essay, order it on our website: OrderCustomPaper.com

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