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(a) Consider a single loop system of the configuration shown in Figure P16.2.27 (a) with positive feedback. Although positive feedback generally results in instability, it is frequently employed at low magnitudes or in portions of a large control system, particularly in an inner loop. Obtain an expression for C(s)/R(s).
(b) Figure P16.2.27 (b) illustrates a multiple-loop feedback control system, where the argument s is omitted for simplicity. Reduce it to a single-loop configuration.
a- compute the slantdeay from the dual frequency code measurement (5.3) from eachsatellite b- determin the corresponding satellite position c- usethe pigeon point position file to determine the satellite elevationangle and the ionospheric obliquit..
It is desired to place the poles of a second order systemso that the time to the peak of the step response is 0.75 sec andso that the settling time (2% criterion) is 3 sec. Plot therequired pole location in the s plane . What are the required valu..
a magnetic circuit has a mean length of 0.80 m, a cross-sectional area of 0.06 m^2, and a relative permeability of 2167. connecting its 340-turn 64-ohm magnetizing coil to a DC circuit causes a 56-V drop across the coil. determine the flux density..
The demonstration would end with the opening of a valve that removed the vacuum and allowed the hemispheres to separate. Suppose that the diameter of the sphere is 50 cm and the sphere is completely evacuated. The sphere is hung from the ceiling a..
The percentage of aliasing level at the cutoff frequency
Design a second-order band-pass filter for a system with sampling frequency of 18 kHz that is tuned for f=5kHZ The filter should not have any sample delay (the numerator and denominator orders are equal)
an office with several work stations has an effective area of 527 sqft (49 meters). it has decorative incandescent lighting. The lamps are 40 watt yielding an out put of 18 lm/W. An illumination of 645 lux is required for the work stations.
In this project we will consider the control of a synchronous generator supplying electricity to the grid.
Consider a 1.5 MVA, 4.16 kV, 3φ. 60 Hz synchronous generator. When operating at full load and rated voltage at a power factor of 0.9 lag, WHAT is the stator current in phase b[magnitude & angle]
Determine the total current flowing through the device if the cross section area is equal to 1 μm ×1 μm.
Simplify the Boolean function f(a,b,c,d)= sigma m(1,3,4,5,12,13) into a hazard free logic function and implement that function with two level NOR logic gates.
Determine the magnitude of the signal source voltage to produce an output signal voltage of 1.0 V. What value of load resistance would halve the signal voltage output for the same input?
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