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computer science
systems analysis design

Questions and Answers of Systems Analysis Design

Show how a Set-inertia command flows through the refined class structure described in Fig. 1.19, moving from a change on the front panel to the required changes on the train:a. Show it in the form of
Show how an Estop command flows through the refined class structure described in Fig. 1.19, moving from a change on the front panel to the required changes on the train:a. Show it in the form of a
Draw a state diagram for a behavior that sends the command bits on the track.The machine should generate the address, generate the correct message type, include the parameters, and generate the ECC.
Draw a state diagram for a behavior that parses the bits received by the train.The machine should check the address, determine the message type, read the parameters, and check the ECC.
Draw a class diagram for the classes required in a basic microwave oven. The system should be able to set the microwave power level between 1 and 9 and time a cooking run up to 59 min and 59 s in 1-s
Draw a collaboration diagram for the microwave oven of Q1-23. The diagram should show the flow of messages when the user first sets the power level to 7, then sets the timer to 2:30, and then runs
How would you measure the execution speed of a program running on a microprocessor? You may not always have a system clock available to measure time. To experiment, write a piece of code that
Complete the detailed specification of the train controller that was started in Section 1.4. Show all the required classes. Specify the behaviors for those classes. Use object diagrams to show the
Develop a requirements description for an interesting device. The device may be a household appliance, a computer peripheral, or whatever you wish.
Write a specification for an interesting device in UML. Try to use a variety of UML diagrams, including class diagrams, object diagrams, sequence diagrams, and so on.
What is the difference between a big-endian and little-endian data representation?
What is the difference between the Harvard and von Neumann architectures?
Answer the following questions about the ARM programming model:a. How many general-purpose registers are there?b. What is the purpose of the CPSR?c. What is the purpose of the Z bit?d. Where is the
How would the ARM status word be set after these operations?a. 2- 3b. -232 + 1 - 1c. - 4 + 5
What is the meaning of these ARM condition codes?a. EQb. NEc. MId. VSe. GEf. LT
Explain the operation of the BL instruction, including the state of ARM registers before and after its operation.
How do you return from an ARM procedure?
In the following code, show the contents of the ARM function call stack just after each C function has been entered and just after the function exits.Assume that the function call stack is empty when
Why are specialized instruction sets such as Neon or Jazelle useful?
Is the PIC16F a general-purpose register machine?
How large is the program counter stack in the PIC16F?
What two registers contribute to the program counter value?
What data types does the C55x support?
How many accumulators does the C55x have?
What C55x register holds arithmetic and bit manipulation flags?
What is a block repeat in the C55x?
How are the C55x data and program memory arranged in the physical memory?
Where are C55x memory-mapped registers located in the address space?
What is the AR register used for in the C55x?
What is the difference between DP and PDP addressing modes in the C55x?
How many stacks are supported by the C55x architecture and how are their locations in memory determined?
What register controls single-instruction repeats in the C55x?
What is the difference between slow and fast returns in the C55x?
How many functional units does the C64x have?
What is the difference between a fetch packet and an execute packet in the C64x?
Write a program that uses a circular buffer to perform FIR filtering.
Write a simple loop that lets you exercise the cache. By changing the number of statements in the loop body, you can vary the cache hit rate of the loop as it executes. You should be able to observe
Compare the implementations of an FIR filter on two different processors.How do they compare in code size and performance?
One of the disadvantages of the IEEET1 exciter is following a fault the terminal voltage does not necessarily return to its prefault value. Using PowerWorld Simulator case Problem 12_3 determine the
Rework Example 13.6 if the source impedance at the sending end of line \(\mathrm{A}\) is \(\mathrm{Z}_{\mathrm{G}}=\mathrm{Z}_{\mathrm{A}} / 4=100 \Omega\), and the receiving end of line
Rework Example 13.6 if the overhead line and cable are interchanged. That is, \(\mathrm{Z}_{\mathrm{A}}=100 \Omega, v_{\mathrm{A}}=2 \times 10^{8} \mathrm{~m} / \mathrm{s}, l_{\mathrm{A}}=20
Take the \(z\)-transform of (6.2.6) and show that \(\mathbf{X}(z)=\mathbf{G}(z) \mathbf{Y}(z)\), where \(\mathbf{G}(z)=(z \mathbf{U}-\mathbf{M})^{-1} \mathbf{D}^{-1}\) and \(\mathbf{U}\) is the unit
The open-loop transfer function of a control system with a negative unity feedback is as follows:Which one of the following choices is a good approximation for the open-loop transfer function?1)
The control system, shown in Fig. 5.1 , has the following state equations in matrix form:Which one of the following choices is correct about the system?1) The system is unstable for \(k>1\).2) The
Determine the value of parameters " \(a\) " and " \(b\)," so that the control system, shown in Fig. 5.2 , has the fastest response without any damping oscillation to a unit step function.1)
In the control system, shown in Fig. 5.3 , the value of \(k\) has been designed to have the fastest response but without any overshooting. In this condition, determine the settling time of the system
The open-loop transfer function of a control system is as follows:Determine the value of \(k\) so that the closed-loop system has an underdamped response to a unit step input. Moreover, determine the
In the control system, shown in Fig. 5.4 , determine the value of " \(k_{1}\) " and " \(k_{2}\)," so that the damping ratio and the settling time ( \(5 \%\) criterion) of the closed-loop system are
In the control system, shown in Fig. 5.5 , determine the value of " \(k_{1}\) " and " \(k_{2}\)," so that the settling time ( \(2 \%\) criterion) and the peak time of the closed-loop system are
The differential equation of a control system with the zero-primary condition is as follows:Determine the time that the second peak in the system response occurs if the input is \(r(t)=4 u(t)\).1)
A unit step function \((f(t)=u(t))\) is applied on the mechanical system shown in Fig. 5.6 .1. The output is the horizontal position of the mass which is illustrated in Fig. 5.6 .2. Determine the
Figure 5.7 illustrates the unit step response of a second-order control system. Determine its approximate closed-loop transfer function.1) \(\frac{240}{s^{2}+136 s+240}\)2) \(\frac{240^{2}}{s^{2}+136
Consider the system shown in Fig. 7.1 . Determine the type of the system and the steady-state error of the closed-loop control system to a unit ramp function. Assume that the closed-loop system is
In the closed-loop control system shown in Fig. 7.2 , calculate the steady-state error to a unit step function.1) \(\infty\)2) 5 3) \(\frac{1}{6}\)4) 0 Figure 7.2 E(s) 10 1 R(s) Y(s) (s+1)(s+2)
Determine the static error constant to a unit ramp function if the transfer function of the closed-loop control system, shown in Fig. 7.3 , is as follows:1) \(k_{v}=\frac{3}{5}\)2)
Determine the steady-state error to a unit step function if the closed-loop control system includes a negative unity feedback and the open-loop transfer function is as follows:1) 0 2) 40 3)
Determine the steady-state error to a unit ramp function if the closed-loop control system includes a negative unity feedback and the open-loop transfer function is as follows:1) 0 2) \(\infty\)3)
The open-loop transfer function of a control system with a negative unity feedback is as follows:Determine its minimum steady-state error to a unit step function.1) 0.1 2) 0 3) 1 4) \(\infty\)
Consider the control system shown in Fig. 7.4 . Determine the steady-state error resulted from the input of \(R(s)\) and the noise of \(N(s)\) that all are unit step functions.1) Zero, zero 2)
Consider the control system shown in Fig. 7.5 . Determine the total steady-state error resulted from the input of \(R(s)\), which is a unit ramp function, and the disturbance of \(D(s)\), which is a
Figure 9.1 illustrates the root locus of a control system with a negative unity feedback (for k > 0). Determine the maximum value of loop gain so that the closed-loop system is stable.1) 1 2)
Consider the problem of 9.1 and assume that the system is in the oscillating status. Determine the angular frequency of the oscillations.1) \(1 \mathrm{rad} / \mathrm{sec}\)2) \(\sqrt{2} \mathrm{rad}
Figure 9.3 shows the root locus \((k>0)\) of the control system shown in Fig. 9.2 . Determine the value of loop gain where the root locus crosses \(j \omega-\) axis.1) 16 2) 160 3) 1.6 4) 0
If the root locus of the control system of Fig. 9.4 passes from the points of \(-1 \pm j\), determine the value of the parameters \(a\) and \(b\).1) 5,4 2) 5,3 3) 3,4 4) 3,3 Figure 9.4 R(s)
In a control system with a negative unity feedback and the open-loop transfer function below, if the parameter of \(\tau\) increases about \(10 \%\), which one of the following choices is correct?1)
Which one of the following choices shows the root locus of the control system of Fig. 9.5 for \(k>0\) ?Figure 9.5 R(s)- k C(s)
Which one of the following choices illustrates the root locus of the control system shown in Fig. \(9.7(k>0)\) ?Figure 9.7 R(s) C k x|S +C(s)
The root locus of a control system is shown in Fig. 9.9 . Determine the stability status of the system for \(k=40\).1) Stable.2) Unstable.3) Marginally stable.4) Its stability depends on the other
Which one of the following options shows the root locus of a closed-loop control system (for \(k>0\) ) with a negative unity feedback and the open-loop transfer function below? G(s) = s-k s(s+1)
Consider a closed-loop control system with a negative unity feedback and the open-loop transfer function below \((k>0)\). If the settling time of the system for the large \(k\) is about eight
Consider a closed-loop control system with a negative unity feedback and the open-loop transfer function below \((k>0)\). Which one of the following statements is correct and complete?1) The
Consider a closed-loop control system with a negative unity feedback and the open-loop transfer function below \((k>0)\). Determine the range of \(p\), so that the transient response of the
Which one of the following choices shows the root locus of the control system \((kFigure 9.11 R(s) k 4 s+2 -13 S C(s)
In a control system with a negative unity feedback, the open-loop transfer function is as follows:Determine the sensitivity of the maximum overshoot percentage of the closed-loop system's response to
Consider a closed-loop control system with a negative unity feedback and the open-loop transfer function below \((k>0)\). Determine the characteristic equation of the closed-loop system if its
The state-transition matrix of a closed-loop control system with a negative unity feedback is as follows:Herein, \(k\) is the forward gain of the system. Determine the break-away/break-in point and
The open-loop transfer function of a control system with a negative unity feedback and a proportional-derivative (PD) controller is as follows:Determine the parameters of the controller, so that the
The open-loop transfer function of the control system, shown in Fig. 11.1 , is as follows:Design a proportional controller, in the form of \(G_{c}(s)=k_{p}\), so that the damping ratio of the
The open-loop transfer function of a control system that includes a negative unity feedback is as follows:Determine the proportional controller gain \(\left(k_{P}ight)\) for a
The open-loop transfer function of a control system is as follows:Determine the integral time constant \(\left(T_{I}ight.\) ) for a proportional-integral-derivative (PID) controller in
The open-loop transfer function of a control system is as follows:Design a controller \(\left(G_{c}(s)ight)\) in the feedback structure, so that \(-1 \pm j 2\) are the closed-loop poles of the
Which type of the controllers below must be used in a closed-loop control system, with the following open-loop transfer function and a negative unity feedback, to set the undamped natural frequency
The open-loop transfer function of a control system that includes a negative unity feedback is as follows:The uncontrolled closed-loop system response has the overshoot and settling time of \(16
The open-loop transfer function of the control system, which is shown in Fig. 11.2 , is as follows:Figure 11.2Design a proportional-integrate (PI) controller, in the form of
Determine the characteristic equation of a control system with the block-diagram shown in Fig. 1.1 .1) \(1+G_{2} H_{2}-G_{1} G_{2} G_{3} H_{1} H_{2}\)2) \(1+G_{1} G_{2} H_{2}-G_{1} G_{2} G_{3} H_{1}
Figure 1.2 illustrates the signal flow graph (SFG) of a control system. Determine its transfer function.1) \(\frac{G_{1}+G_{2}}{1-G_{2} H+G_{1} G_{2}}\)2) \(\frac{G_{1}+G_{2}}{1+G_{2} H-G_{1}
In the block-diagram, shown in Fig. 1.3 , determine the transfer function of \(\frac{Y(s)}{X(s)}\).1) \(\frac{5}{s(s+2)}\)2) \(\frac{5}{s^{2}+22 s+5}\)3) \(\frac{4 s+1}{s^{2}+22 s+5}\)4)
The state equations of a LTI control system, which is in zero-state, are as follows. Determine the steady-state value of its output.1) \(\left[\begin{array}{r}-\frac{1}{8} \\
In the block-diagram shown in Fig. 1.4 , determine the value of \(k_{1}, k_{2}, k_{3}\), so that the transfer function is as follows:1) \(k_{1}=1, k_{2}=\frac{2}{3}, k_{3}=6\)2) \(k_{1}=\frac{2}{3},
The differential equation of a control system is as follows:Determine the state and output equations of the system in the matrices form.1) \(\frac{d}{d t}\left[\begin{array}{l}x_{1} \\ x_{2} \\
Determine matrix \(\mathbf{A}\) in the state equations \((\dot{\mathbf{X}}=\mathbf{A X}+\mathbf{B} u)\) for the block-diagram of Fig. 1.5 if \(\mathbf{X}=\left[\begin{array}{l}x_{1}(t) \\
Determine the transfer function of a control system with the following state equations:1) \(\frac{m}{s^{2}+b s+k}\)2) \(\frac{k}{b s^{2}+m s+k}\)3) \(\frac{b}{m s^{2}+b s+k}\)4) \(\frac{1}{m s^{2}+b
The state equations of a control system are as follows. Determine the state-transition matrix of the system \((\boldsymbol{\varphi}(t))\).1) \(\left[\begin{array}{cc}(1+t) e^{-2 t} & t e^{-2 t}
Consider the LTI control system below.1) \(e^{-t}+e^{-2 t}\)2) \(e^{-t}+2 e^{-2 t}\)3) \(e^{-t}+1.5 e^{-2 t}\)4) \(1.5 e^{-t}+e^{-2 t}\) X = AX, y=CX Determine the output of the system based on the
Determine the state equations of the control system shown in Fig. 1.6.1) \(\frac{d}{d t}\left[\begin{array}{l}x_{1} \\ x_{2} \\ x_{3}\end{array}ight]=\left[\begin{array}{ccc}-1 & -1 & 0 \\ 0
In the rotational mechanical system shown in Fig. 1.7, determine the transfer function of \(\frac{\theta_{2}(s)}{T(s)}\).1) \(\frac{J_{1} s^{2}+k}{s^{2}\left(J_{1} J_{2}
The equation below shows the characteristic equation of a closed-loop control system. Determine its stability status.1) The system is stable.2) The system has one unstable root.3) The system has
Which one of the transfer functions below has a non-zero primary time response?1) \(\frac{1}{s^{2}+2 s+2}\)2) \(\frac{s}{s^{2}+2 s+2}\)3) \(\frac{s+1}{s^{2}+2 s+2}\)4) \(\frac{s^{2}+2 s+1}{s^{2}+2
Which one of the following choices is correct about a closed-loop control system with the characteristic equation of \(4 s^{3}+2 s^{2}+k s+1=0\) ?1) For \(k=2\), it oscillates with the angular
The open-loop transfer function of a control system with a negative unity feedback is as follows:For what value of \(k\), does the closed-loop system response oscillate?1) -15 2) 15 3) 34 4) 64

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