Rr322202-robotics-and-embedded-systems

Set No. 1

Code No: RR322202

III B.Tech Supplimentary Examinations, Aug/Sep 2008 ROBOTICS AND EMBEDDED SYSTEMS (Instrumentation & Control Engineering) Time: 3 hours Max Marks: 80 Answer any FIVE Questions All Questions carry equal marks ⋆⋆⋆⋆⋆ 1. What are the various generations of Robot? Discuss them with suitable examples. [16] 2. (a) Explain with the help of neat sketches, the function and working of Hydraulic drives used in manipulators. (b) Explain the operation of optical encoder used in robot as a feed back device. [8+8] 3. What is robot vision? What are the types of vision sensors used to take the image of an object? Explain them briefly. Enumerate their advantages and limitations. [16] 4. What are the problems that must be considered in the design of embedded system? Explain in detail? [16] 5. (a) Draw and explain the CPU architecture of ARM processor? (b) Give the overview of the memory organization in ARM processors?

[8+8]

6. (a) Explain the functionality of memory management unit (MMU)? (b) List different types of memories? Write briefly about each type?

[8+8]

7. (a) Write a CDFG for a “while” loop? (b) Explain the concept of code compression?

[8+8]

8. (a) Draw the state diagram of process states and explain? (b) Illustrate with an example shared memory concept of inter process communication system. [8+8] ⋆⋆⋆⋆⋆

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Set No. 2

Code No: RR322202

III B.Tech Supplimentary Examinations, Aug/Sep 2008 ROBOTICS AND EMBEDDED SYSTEMS (Instrumentation & Control Engineering) Time: 3 hours Max Marks: 80 Answer any FIVE Questions All Questions carry equal marks ⋆⋆⋆⋆⋆ 1. (a) Describe the functions of the four basic types of a robot. (b) What is degree of freedom? Discuss scope and significance of degrees of freedom. [10+6] 2. (a) Discuss the working principle of Hydraulic drives used in manipulators with reference to the accuracy and positioning the end effector with a neat sketch. (b) Describe the working of an optical encoder with the help of neat sketch.[8+8] 3. (a) Explain the method of sensing and digitizing the image in machine vision. (b) Classify various teaching methods of robot and briefly discuss about each of them. [8+8] 4. (a) What is an embedded system? What are it’s applications? (b) Explain in detail about Digital camera system.

[8+8]

5. (a) Draw and explain the CPU architecture of ARM processor? (b) Give the overview of the memory organization in ARM processors?

[8+8]

6. (a) Calculate the total execution time of given ‘C’ code sum=0; for(i =0;i
[8+8]

8. (a) Draw the state diagram of process states and explain? (b) Illustrate with an example shared memory concept of inter process communication system. [8+8] ⋆⋆⋆⋆⋆

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Set No. 3

Code No: RR322202

III B.Tech Supplimentary Examinations, Aug/Sep 2008 ROBOTICS AND EMBEDDED SYSTEMS (Instrumentation & Control Engineering) Time: 3 hours Max Marks: 80 Answer any FIVE Questions All Questions carry equal marks ⋆⋆⋆⋆⋆ 1. How do you specify a robot? Is robotics an automation? Discuss the different classification systems of robots. [16] 2. (a) With the help of neat sketch, explain the pneumatic manipulator control circuit in Industrial Robots. (b) Explain the operation of Linear Position measuring transducers used in robots. [8+8] 3. (a) Explain the various functions of machine vision system. (b) Distinguish between tactile and non tactile sensors? Explain examples of each type. [8+8] 4. (a) What are different categories of embedded systems? (b) List and explain briefly about each category application.

[8+8]

5. (a) Explain how functional calls are implemented in SHARC processor. (b) Write ARM assembly code for the following loop. for(i=0;i<10;i++) z[i]+=a[i];

[8+8]

6. (a) Explain the functionality of memory management unit (MMU)? (b) List different types of memories? Write briefly about each type?

[8+8]

7. (a) Compare standard dataflow graph and CDFG with an example? (b) Write a CDFG for a “for” loop?

[8+8]

8. (a) Draw the state diagram of process states and explain? (b) Illustrate with an example shared memory concept of inter process communication system. [8+8] ⋆⋆⋆⋆⋆

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Set No. 4

Code No: RR322202

III B.Tech Supplimentary Examinations, Aug/Sep 2008 ROBOTICS AND EMBEDDED SYSTEMS (Instrumentation & Control Engineering) Time: 3 hours Max Marks: 80 Answer any FIVE Questions All Questions carry equal marks ⋆⋆⋆⋆⋆ 1. What are the various generations of Robot? Discuss them with suitable examples. [16] 2. (a) With a line diagram explain the operation of AC servomotor drive and mention their limitations. (b) What are the types of hydraulic actuators used in robotics? Explain their characteristics. [8+8] 3. (a) What is robot vision? What are the types of vision sensors used to take the image of an object? (b) Discuss principle and advantages of proximity sensors.

[8+8]

4. (a) What is an embedded system? What are it’s applications? (b) Explain in detail about Digital camera system.

[8+8]

5. (a) What is an interrupt? What are various interrupt supported by SHARC processor? What are steps performed by it to an interrupt? (b) Compare and contrast ARM and SHARC processor.

[8+8]

6. (a) Calculate the total execution time of given ‘c’ code. for(i =0; f=0; i
[8+8]

8. Write short notes on inter process communication by the following services (a) Shared memory (b) Message queue (c) Mailboxes

[6+6+4] ⋆⋆⋆⋆⋆

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