A plant produces three product lines: A, B, and C. There are 6 models within product line A, 4 models within B, and 8 within C. Average annual production quantities of each A model is 500 units, 700...
A DAC uses a reference voltage of 80 V and has 6-bit precision. In four successive sampling periods, each 1 second long, the binary data contained in the output register were 100000, 011111, 011101,...
A dc servomotor is used to drive one of the table axes of an NC milling machine. The motor is coupled directly to the lead screw for the axis, and the lead screw pitch = 5 mm. The optical encoder...
In the previous problem, suppose that the machine will be operated three shifts, or 6000 hr/yr, instead of 2000 hr/yr. Note the effect of increased machine utilization on the hourly rate compared to...
An automated storage/retrieval system for work-in-process has five aisles. The storage racks in each aisle are 10 m high and 50 m long. The S/R machine for each aisle travels at a horizontal speed of...
A single carousel storage system is located in a factory making small assemblies. It is 20 m long and 1.0 m wide. The pick and deposit time is 0.25 min. The speed at which the carousel operates is...
A storage system serving an electronics assembly plant has three storage carousels, each with its own manually operated pick and deposit station. The pick and deposit time is 0.30 min. Each carousel...
A roller conveyor moves tote pans in one direction at 150 ft/min between a load station and an unload station, a distance of 200 ft. With one worker, the time to load parts into a tote pan at the...
A machine shop has dedicated one CNC machining center to the production of two parts (A and B) used in the final assembly of the company's main product. The machining center is equipped with an...
A Geneva with six slots is used to operate the worktable of a dial-indexing machine. The slowest workstation on the dial-indexing machine has an operation time of 2.5 sec, so the table must be in a...
A plastic extrusion plant will be built to produce 30 million meters of plastic extrusions per year. The plant will run three 8hour shifts per day, 360 days per year. For planning purposes, the...
A partially automated production line has a mixture of three mechanized and three manual workstations. There are a total of six stations, and the ideal cycle time of 1.0 min, which includes a...
A garment manufacturer produces 22 different coat styles, and every year new coat styles are introduced and old styles are discarded. Whatever the style, the final inspection department checks each...
A semi automated flexible manufacturing cell is used to produce three products. The products are made by two automated processing stations followed by an assembly station. There is also a load/unload...
What are the Type I and Type II errors that can occur in inspection?
A digital camera maker produces three different models: (1) base model, (2) zoom model, and (3) zoom model with extra memory. Data for the three models are shown in the table below. The three models...
Two of the edges of a rectangular part are represented by two lines in the x-y plane on a CMM worktable, as illustrated in. It is desired to mathematically redefine the coordinate system so that the...
A stamping plant supplies sheet metal parts to a final assembly plant in the automotive industry. The following data are values representative of the parts made at the plant. Annual demand is 150,000...
What other actions could the University have taken to prevent the attack?
Why is it so important for you to protect yourself?
A precise optical signal source can control the output power level to within 1 percent [32]. A laser is controlled by an input current to yield the power output. A microprocessor controls the input...
In a chemical process control system, it is valuable to control the chemical composition of the product. To do so, a measurement of the composition can be obtained by using an infrared stream...
Many modern luxury automobiles have an auto park option. This feature will parallel park an automobile without driver intervention. Figure AP1.3 illustrates the parallel parking scenario. Using...
One of the most potentially beneficial applications of an automotive control system is the active control of the suspension system. One feedback control system uses a shock absorber consisting of a...
A two-transistor series voltage feedback amplifier is shown in Figure P2.24(a). This AC equivalent circuit neglects the bias resistors and the shunt capacitors. A block diagram representing the...
Obtain the transfer function of the differentiating circuit shown in Figure P2.7. V.ts FIGURE P2.7 A differentiating circuit
Determine the transfer function X1(s)/F(s) for the coupled spring-mass system of Problem P2.3. Sketch the s-plane pole-zero diagram for low damping when M = l, b/k = l, and Discuss. b01
There has been considerable engineering effort directed at finding ways to perform manipulative operations in space-for example, assembling a space station and acquiring target satellites. To perform...
The control of an autonomous vehicle motion from one point to another point depends on accurate control of the position of the vehicle [16]. The control of the autonomous vehicle position Y(s) is...
The Mile-High Bungi Jumping Company wants you to design a bungi jumping system (i.e., a cord) so that the jumper cannot hit the ground when his or her mass is less than 100 kg, but greater than 50...
The capstan drive system of problem CDP5.1 uses the amplifier as the controller. Determine the maximum value of the gain Ka before the system becomes unstable.
A deburring robot can be used to smooth off machined parts by following a preplanned path (input command signal). In practice, errors occur due to robot inaccuracy, machining errors, large...
A unity feedback system has a loop transfer function (a) Determine the angle of departure of the root locus at the complex poles. (b) Sketch the root locus. (c) Determine the gain K when the roots...
A tape recorder has a speed control system so that H(s) = 1 with negative feedback and L(s) = Gc(s)G(s) = K / s(s + 2)(s2 + 4s + 5). (a) Sketch a root locus for K, and show that the dominant roots...
The elevator in Yokohama's 70-story Landmark Tower operates at a peak speed of 45 km/hr. To reach such a speed without inducing discomfort in passengers, the elevator accelerates for longer periods,...
Arc welding is one of the most important areas of application for industrial robots [11]. In most manufacturing welding situations, uncertainties in dimensions of the part, geometry of the joint, and...
A unity feedback system has a loop transfer function Sketch the root locus. Determine the gain K when the complex roots of the characteristic equation have a ζ approximately equal to...
A unity feedback system has a loop transfer function Sketch the root locus for 0 ¤ a l(s)-G,(s)G (s) = 4(s2 + 1) ss + a) L(s)-G(s)G(s) =
Consider a unity feedback system with L(s) = Gc(s)G(s) = K(s + 1) / s2 + 4s + 5 (a) Find the angle of departure of the root locus from the complex poles. (b) Find the entry point for the root locus...
A unity feedback system has a loop transfer function (a) Draw the root locus as z varies from 0 to 100. (b) Using the root locus, estimate the percent overshoot and settling time (with a 2%...
An RLC network is shown in Figure P7.30. The nominal values (normalized) of the network elements are L - C = 1 and R = 2.5. Show that the root sensitivity of the two roots of the input impedance Z(s)...
Consider the feedback control system in Figure E8.11. Sketch the Bode plot of G(s) and determine the crossover frequency, that is the frequency when 20 1og10|G(j)| = 0dB. Figure E8.11 Unity feedback...
A robotic arm has a joint-control loop transfer function Show that the frequency equals 28.3 rad/s when the phase angle of L(jÏ) is -180°. Find the magnitude of L(jÏ) at that frequency....
Consider a unity feedback system with the loop transfer function (a) Plot the Bode diagram, (b) Find the gain margin and the phase margin. 10 0.4s) 2s)(10.24s 0.04s2) G(s)G(s)-
A unity feedback system has a loop transfer function (a) Using a Bode diagram for K = 10, determine the system phase margin, (b) Select a gain K so that the phase margin is at least 60°. L(s) =...
Consider a unity feedback system with the loop transfer function (a) For K = 4, show that the gain margin is 3.5 dB. (b) If we wish to achieve a gain margin equal to 16 dB, determine the value of the...
The block diagram of a feedback control system is shown in Figure P8.12(a).The transfer functions of the blocks are represented by the frequency response curves shown in Figure P8.12(b).
The design of a lunar excursion module (LEM) is an interesting control problem. The attitude control system for the lunar vehicle is shown in Figure PI 0.1. The vehicle damping is negligible, and the...
A unity feedback control system for a robot submarine has a plant with a third-order transfer function [20]: We want the overshoot to be approximately 7.5% for a step input and the settling time...
An engineering design team is attempting to control a process shown in Figure PI0.27. The system has a controller Gc(s), but the design team is unable to select Gc(s) appropriately. It is agreed that...
A process has the transfer function y = [0 l]x + [0]. Determine the state variable feedback gains t achieve a settling time (with a 2% criterion) of 1 second and an overshoot of about 10%. Also...
An automated guided vehicle (AGV) can be considered as an automated mobile conveyor designed to transport materials. Most AGVs require some type of guide path. The steering stability of the guidance...
The Manutec robot has large inertia and arm length resulting in a challenging control problem, as shown in Figure AP10.8(a). The block diagram model of the system is shown in Figure AP10.8(b).The...
In this problem you are to compare reading a file using a single-threaded file server and a multithreaded server. It takes 12 msec to get a request for work, dispatch it, and do the rest of the...
Consider the following two-dimensional array: int X[64][64]; Suppose that a system has four page frames and each frame is 128 words (an integer occupies one word). Programs that manipulate the X...
Name one advantage of hard links over symbolic links and one advantage of symbolic links over hard links.
Explain how the system can recover from the deadlock in previous problem using (a) Recovery through preemption. (b) Recovery through rollback. (c) Recovery through killing processes.
Explain how the x86's four protection rings can be used to support virtualization.
In every process' entry in the task structure, the PID of the parent is stored. Why?
Revise the ER diagram drawn in the previous exercise to include the following mandatory attributes: CLIENT- ID number, name, address (city, state, zip), phone number(s), birthdate; AGENT - agent...
Distinguish between a simple attribute, a single-valued attribute, a composite attribute, a multi-valued attribute, and a complex attribute. Develop an example similar to Figure 2.3 that illustrates...
What is information preservation and why is it important?
Transform the look-across notation of the Presentation Layer ER diagram in Exercise 7 to a Design-Specific ER diagram that makes use of the (min, max) notation for specifying the structural...
Identify the superkeys, candidate key(s), and the primary key for the following relation instance of the STU-CLASS relation schema. Student Number Student ACCOUNTING STEDRY ANTHROPOLOGY AP150 MWE9 5...
Consider the following relation instance of the CAR relation schema: a. What is the minimal cover of functional dependencies that exists in CAR? b. What is (are) the candidate key(s) of CAR? c. If...
Consider the relation instance STUDENT (Major, Stu_id, Activity, Name, Phone) a. Identify all multi-valued dependencies in STUDENT. b. Describe insertion, deletion, and update anomalies that...
Early examples of CISC and RISC design are the VAX 11/780 and the IBM RS/6000, respectively. Using a typical benchmark program, the following machine characteristics result: The final column shows...
A set-associative cache consists of 64 lines, or slots, divided into four-line sets. Main memory contains 4K blocks of 128 words each. Show the format of main memory addresses.
You must have completed Exercise 11 of Chapter 10 before beginning this exercise, and thus have used the SQL Data Definition Language to populate the tables for the three relations COMPANY, STUDENT,...
Consider the example in Section 2.5 for the calculation of average CPI and MIPS rate, which yielded the result of CPI = 2.24 and MIPS rate = 178. Now assume that the program can be executed in eight...
How is the syndrome for the Hamming code interpreted?
Suppose an 8-bit data word stored in memory is 11000010. Using the Hamming algorithm, determine what check bits would be stored in memory with the data word. Show how you got your answer.
Consider a disk with N tracks numbered from 0 to (N - 1) and assume that requested sectors are distributed randomly and evenly over the disk. We want to calculate the average number of tracks...
Consider a system employing interrupt-driven I/O for a particular device that transfers data at an average of 8 KB/s on a continuous basis. a. Assume that interrupt processing takes about 100 s...
Find the following differences using twos complement arithmetic: a. 111000 -110011 b. 11001100 - 101110 c. 111100001111 -110011110011 d. 11000011 -11101000
Add columns to Table 9.1 for sign magnitude and ones complement.
In Section 9.3, the twos complement operation is defined as follows. To find the twos complement of X, take the Boolean complement of each bit of X, and then add 1. a. Show that the following is an...
Consider the twos complement addition of two n-bit numbers: zn-1zn-2 ... z0 = xn-1xn-2 ... x0 + yn-1yn-2 ... y0 Assume that bitwise addition is performed with a carry bit ci generated by the addition...
What are the typical elements of a machine instruction?
What is the difference between big endian and little endian?
List and briefly explain five important instruction set design issues.
What is the relationship between the IRA character code and the packed decimal representation?
What is the difference between an arithmetic shift and a logical shift?
Why are transfer of control instructions needed?
Suppose a stack is to be used by the processor to manage procedure calls and returns. Can the program counter be eliminated by using the top of the stack as a program counter? Discuss.
Suppose that two registers contain the following hexadecimal values: AB0890C2, 4598EE50.What is the result of adding them using MMX instructions: a. For packed byte b. For packed word Assume...
Convert the following formulas from reverse Polish to infix: a. AB + C + D b. AB/CD/ + c. ABCDE + / d. ABCDE + F/ + G - H/ +
Show the calculation of the expression in Figure 10.17, using a presentation similar to Figure 10.16.
Redraw the little-endian layout in Figure 10.18 so that the bytes appear as numbered in the big-endian layout. That is, show memory in 64-bit rows, with the bytes listed left to right, top to bottom.
For the following data structures, draw the big-endian and little-endian layouts, using the format of Figure 10.18, and comment on the results. a. struct { double i; //0x1112131415161718 } s1; b....
The IBM Power architecture specification does not dictate how a processor should implement little-endian mode. It specifies only the view of memory a processor must have when operating in...
Write a small program to determine the endianness of machine and report the results. Run the program on a computer available to you and turn in the output.
Most, but not all, processors use big- or little-endian bit ordering within a byte that is consistent with big- or little-endian ordering of bytes within a multibyte scalar. Let us consider the...
A given microprocessor has words of 1 byte. What is the smallest and largest integer that can be represented in the following representations: a. Unsigned b. Sign-magnitude c. Ones complement d. Twos...
Many processors provide logic for performing arithmetic on packed decimal numbers. Although the rules for decimal arithmetic are similar to those for binary operations, the decimal results may...
Many instruction sets contain the instruction NOOP, meaning no operation, which has no effect on the processor state other than incrementing the program counter. Suggest some uses of this instruction.
In Section 10.4, it was stated that both an arithmetic left shift and a logical left shift correspond to a multiplication by 2 when there is no overflow, and if overflow occurs, arithmetic and...
What facts go into determining the use of the addressing bits of an instruction?
What are the advantages and disadvantages of using a variable-length instruction format?
Briefly define displacement addressing.