Electrical and Computer Engineering Homework Solutions

State Space Representation

Consider the following system (see attachment) whose state space representation is as follows: a) Find the transfer function of the system. b) Compute eAt using the eigenvalues and eigenvectors method. c) Compute eAt using the partial fraction method. d) If u (t)=0 for t ≥ 0,compute x (t), y(t), and x(1) =[ -1 2]T ...continues

Consider the following system whose state space representation is as follows...

Consider the following system whose state space representation is as follows: a) Find the transfer function of the system. b) Compute eAt using the infinite series method. c) Compute eAt using the eigenvalues and eigenvectors method. d) Compute eAt using the partial fraction method. e) Using MATLAB ,Plot x1(t), x2 ...continues

Consider the following system whose state space representation is as follows:

Consider the following system whose state space representation is as follows: a) Assume that the initial conditions are zero. If the reference input is a unit step input , compute x1(t), x2(t), and y(t) b) Find the transfer function of the system. c) Using the transfer function found in (b), Compute y(t). d) Plot x1 ...continues

Consider the following system whose state space representation is as follows...

Consider the following system whose state space representation is as follows: a) Solve the system for x(t) and y(t) for t ≥ 0 given u(t)= e-3t and x(0)=[ 1 2]T b) Using MATLAB ,Plot x(t), y(t) for t ≥ 0 given u(t)= e-3t and x(0)=[ 1 2]T

Control systems specs

(See attached files for full problem description) --- For a system with (attached), it is desired that a step input disturbance... ---

Root locus and routh-hurwitrz

Do not use Matlab. Do only hand calculations (See attached file for full problem description) --- a) Use Routh-Hurwitz to find values of k so that... b) Make a sketch of the root-locus of the above... ---

Bode plot -nyquist

Do not use MATLAB. Only show full hand calculations. (See attached file for full problem description) --- a) Make a sketch of the Bode plot and hence the Nyquist plot of... b) Determine the stability of the closed loop system... ---

Prob.#4

Given the following matrices 3 1 0 A = 0 3 1 0 0 3 3 1 0 A = 0 3 0 0 0 4 4 0 0 A = 0 3 ...continues

Consider the system modeled by...

Consider the system modeled by: x' = Ax + Bu , y = Cx + Du -5 1 -1 A = , B = , C=[1 0] , D=0 1 -5 1 a) Determine the transition matrix eAt using the eigenvalues and eigenvectors ...continues

Prob.#10

A model describing the competition between 2 species is given by: x1'=r x1(1− x1/k) −α x1x2 x'2= s x2(1− x2/k) − β x1x2 Where r,s, α, and β are positive constants. Suppose that s < β k and r < α L : 1.Determine the equilibrium points of the above nonlinear system ...continues

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