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Electrical Engineering

Synchronous state machine analysis

Please see the attachment. Analyze the clocked synchronous state machine shown in the file (part A). write the excitation and output equations. Develop the transition table and the state/output table. Draw the state diagram. Is this a Mealy of a Moore machine? Draw the timing diagram for the machine for 10 clock cycles. as

Control Systems Complex Controller

Problem 1: Consider the closed-loop transfer function T(s) = 10K/(s2 + 20s + K) 1. Obtain the family of step responses for K=10, 100, and 500. Co-plot the responses and develop a table that includes the following: a. Percent overshoot b. Settling time c. Steady-state error. Figure 1 Problem 2: A negat

Control System Problem

Problem 1: Consider the differential equation: d2y/dt2 + (3)dy/dt +2y = u where y(0) = dy(0)/dt = 0 and u(t) is a unit step. 1. Determine the solution y(t) analytically. I have the following(using Laplace transform): [s2Y(s) - sy(0)] + 3[sY(s) - y(0)] + 2Y(s) = 1/(s) s2Y(s) + 3sY(s) + 2Y(s) = 1/(s) Y(s)[s2 + 3s

Inverse Fourier transform

Please see the attached file for details. 1. A continuous time signal x(t) has the Fourier transform X(w) = 1/(jw + b), where b is a constant. Determine the Fourier transform for v(t) = x(5t - 4). 2. For a discrete-time signal x[n] with the DTFT X(w) = 1/(e^jw + b), where b is an arbitrary constant compute the DTFT V(&#937

Z transform stability determination

See attached file for problem details. 1. A system has the transfer function: H(z) = (z2-3z+1)/(z3+ z2-0.5z+0.5) Is the system stable, marginally stable, or unstable? 2. A discrete-time system is give by the input/output difference equation: y[n+2]-y[n+1]+y[n]=x[n+2]-x[n+1] Is the system stable, marginally stab

Laplace Transforms & Transfer Functions

Compute the transfer function H(s) of the continuous-time system below given by the input/output differential equation. ________________________________________ By using the Laplace transform, compute the convolution x(t)*v(t) of the two signals where x(t)=e-tu(t) and v(t)=(sin t)u(t): Using the convolution equation,

Create and analyze continuous and discrete-time signal using MATLAB

See attached file for full description: Activity 1: Consider the discrete-time signal: x[n] = sin(2*pi*Mn/N), and assume N = 12. For M = 4, 5, and 10, plot x[n] on the interval 0 =< 0 < = 2n - 1. Use stem in Matlab to create your plots, and be sure to approximately label your axes. Questions: What is the fundamental period

The Value of the Capacitor Size

An electrical supply company charges its consumers a penalty if their reactive energy consumption (Kvar-hour) exceeds half their true energy consumption (Kilowatt-hour). Calculate the value of the parallel capacitor required to be installed at the factory to avoid the penalty. I know that: Apparent power S = 32594.05 Ac

MATLAB Fourier Analysis of System

Use the contfft program to identify the frequency response of a system from its inputs and outputs. The program contfft is shown below.Save it as contfft.m in your current MATLAB directory as denoted at the top of the MATLAB window. (a). Generate a random input signal x(t) in MATLAB by using the command rand. In particul

Matlab - Signal Processing

A continuous time function is seen below in figure 1. This signal is a sinc function defined as y(t) = sinc(t). T Fourier transform of this signal is a rectangle function. 1. Use the function linspace to create a vector of time values from -5<=t<=5. Next, plot the functon shown in figure 1 using the sinc function for y(t)=sin

Matlab - Sunspot

Please be sure to enclose all plots and codes on a word document. Thanks Lab 4: Activity 1: Step 1: Download the monthly sunspot data for the 33-year period from January 1875 through December 1907. This will be a total of 396 data points. Go to http://sidc.oma.be/sunspot-data/. Under ASCII files, select monthly and monthly s

Matlab - A discrete-time system has the following unit-pulse response

There are two files which both need completed. Please see attached files for full problem description. Please be sure to provide code and plots. Thanks. Lab 2: 1. A discrete-time system has the following unit-pulse response: h[n] = 0.5^n - 0.25^n, for n >= 0 Correspondingly, the following difference equation desc

Matlab work: linear time-invariant continuous system and Laplace transform

Please refer to attached. Please submit Matlab code along with plots and anwsers. Thanks. A linear time-invariant continuous-time system has the impulse response below: h(t) =[cos 2t + 4 sin 2t]u(t) (a) Determine the transfer function H(s) of the system. (b) Plot the system impulse response using MATLAB. (c) The input,

Vertical Take Off and Landing Aircraft

For a VTOL (Vertical Take Off and Landing) aircraft, there is the following Block Diagram (see attached VTOL_BlockDiagram file). a) Find the system response for step input and determine the steady state error b) Find the variation of Kc in the stability of VTOL c) Is the system always stable? a = 0.5; b = 10; c =3

Solid State Device Theory Exercise

Solid State Device Theory Exercise. See attached file for full problem description. 1. A semiconductor sample has the band diagram below. (a) Is this semiconductor in equilibrium? Explain. (b) Sketch the electric field versus x. (c) Roughly sketch n and p versus x. (d) Make a rough sketch of the electron drift curre

Magnitude of ac input

Magnitude of ac input. See attached file for full problem description. FIGURE 4(a) shows the circuit of a resistive load fed from a rectifier, via a filter. The filter is designed to remove unwanted a.c. that might be present in the output of the rectifier. To test the performance of the filter, a 50 Hz alternating supply w

Perform many calculations and show the formulas used for each step.

My school required me to pick a class outside of my field of study in Information Security and halfway through, I realize I mad a poor choice. The first half of the class was Ohms Law and a few other simple formulas and wasn't that bad. See attached for full problem description.

Saturated and unsaturated synchronous reactance

The following readings are taken from the results of an open- and a short-circuit test on a 9375-kVA three-phase Y-connected 13,800- V (line-to-line) two-pole 60-Hz turbine generator driven at synchronous speed: _____________________________________________________________ Field current, A

Electrical Engineering - Memory

Question 1 (a) A certain cache has an access time of 2 nanoseconds and a hit percentage of 95%. If the main memory access time is 8 nanoseconds, what is the average access time for a read operation? (b) Suppose that the code for a program fits entirely in a cache. There is a very long set of instructions contained in a loop

Electrical Engineering - Transmission Lines

Distance and Voltage. See attached file for full problem description. 1. Given that r = alpha + j*beta show that alpha and beta are given by 2. A transmission line operating at 500 Mrad/s has l = 0.5 uH/m, c = 30.8 pf/m, g = 10^-4 omg-1/m, and r = 25 omg/m. a) calculate values for r, alpha, beta, v, lamda, and z0. b)

Transfer function of 12.1a

See attached file for full problem description. Please do not sketch, just derive expression and determine the poles and zeros. 12.1 circuit (a) i) Derive an expression for the transfer function H(s) = V2(s) / V1(s) ii) Determine all of the poles and zeros of the transfer function.

RLC Circuit

Please answer #3 only. You really don't have to derive the diff eq for the RLC circuit because we already know its of the form: s^2LC+sRC+1 =0, where v(t) = Ae^(st), dv/dt = sAe^(st) ... ** Please see the attached file for the full problem description ** In the above circuit, you may assume that i(0) = 0 and v(0) = 0

Simplifying a Circuit

Simplify the following circuit. Line A goes into an INVERTER, then into a NAND Gate, then into an OR Gate, then travels into another NOR Gate. Line B travels into the same NAND Gate, then into the same OR Gate, then into the same NOR Gate. Now Line C goes into another INVERTER, then into an AND Gate, then into the same OR Gate a

Inductance of an inductor

What is the inductance of an inductor given: Air core 100 turns Cross-section area of core is 0.01 square meter Length is 0.1 meters

Net capacitance of a capacitor

1. What is the net capacitance of a capacitor given: Relative permitivity is 500 The area is one square meter The distance between the plates is 0.001 meters

Root Locus Analysis & Design

Root Locus Analysis & Design. See attached file for full problem description. 1) Draw the root locus of L (attached). of for positive and negative gain on graph paper. Find (graphically) the gain, k, to get l = 0.5 for the dominant poles and specify the corresponding corner frequency. 2) Draw the root locus of L (attach

System Equations in Matrix Form

A system is defined by the equations: x1 = -3x1 + 2x2 + x3 + 2u1 + u2 x2 = 3x1 - 2x2 + x3 + u1 x3 = -4x2 - x3 + u1 y1 = 5x1 - 3x2 + x3 + u1 y2 = x1 + x2 + u1 + u2 Write the equations in standard matrix form and identify the A, B, C, and D matrices Draw a simulation (block) diagram.