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Code No: D109113309

JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD M.Tech I Semester Regular Examinations March 2010

MECHATRONICS (COMMON TO CAD/CAM, ADVANCED MANUFACTURING SYSTEMS,

DESIGN FOR MANUFACTURING) Time: 3hours Max.Marks:60

Answer any five questions All questions carry equal marks

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1.a) Discuss about various design considerations in mechatronic product design. b) Differentiate between intelligent machine and automatic machine. 2.a) List out the characteristics of mechanical actuators. b) Discuss the shortfalls of feed forward control. 3. Explain the fundamental concepts of adaptive and fuzzy control. 4.a) What are the characteristics of microprocessors? b) Discuss briefly with a neat sketch the architecture of a PLC. 5. Discuss the steps involved in edition and manipulation of data involved in

manufacturing. 6.a) Write a detailed note on CAD / CAM data bases. b) Explain the features of various digital sensors used for motion measurement. 7. Discuss various pattern recognition methods used in machine vision. 8. Write short note on any three of the following. a) Machine Machine interfacing devices. b) S Curve c) Adaptive Vs fuzz control d) Perception in decision making.

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R09

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Code No: C3309, C0407, C5209 JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

M.Tech I- Semester Supplementary Examinations September, 2010 MECHATRONICS

(COMMON TO ADVANCED MANUFACTURING SYSTEMS, CAD/CAM, DESIGN FOR MANUFACTURING)

Time: 3hours Max. Marks: 60 Answer any five questions

All questions carry equal marks - - -

1.a) State the advantages and applications of stepper motor. b) Discuss briefly the following mechatronics system. i) Engine management system. ii) Automatic washing machine. 2.a) Explain the social impact of mechatronic system. b) State the advantages and disadvantages of feed forward control loops. 3.a) Discuss the fundamental concepts of adaptive control. b) Explain the steps involved in fuzz logic compensatory control of deformation. 4.a) What are the uses of microprocessors? b) State the advantages and uses of PLCs. 5. Discuss the general structure of data base management system in manufacturing.

What are its requirements? 6.a) Write a detailed note on graphic data base. b) Explain the features of various analog sensors used for motion measurement. 7. Discuss about various feature recognition methods used in machine vision. 8. Write short note on any three of the following a) Human-Machine interfacing devices b) Design with linear slides c) Non linearities in motion control d) Cognition in decision making

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R09

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Code No: C0407 JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

M.Tech I Semester Examinations, March/April 2011 MECHATRONICS

(CAD/CAM) Time: 3hours Max. Marks: 60

Answer any five questions All questions carry equal marks

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1. Discuss briefly the following mechatronic systems a. Engine management system b. Automatic camera c. Automatic washing machine [12]

2. a) What are the advantages and limitations of hydraulic actuators? b) What are the special features which pneumatic actuators should process? [12]

3. a) What is an automatic control system? What are its advantages and limitations? b) Explain the concept of fuzzy control applied to mechatronic system. [12] 4. a) Explain the use of microprocessors in mechatronic system. b) State the advantages and uses of programmable logic controllers. [12] 5. What are the different data bases used in manufacturing? Explain them in detail. [12] 6. Explain in detail about various motion control aspects to be considered in design

of mechatronic system. [12] 7. a) Discuss the features of the digital transducers used for interfacing. b) Explain the application of machine vision in mechatronics. [12] 8. Write short note on any three of the following. a) Intelligent machine Vs. Automatic machine. b) Adaptive control c) System design classification. d) Human machine. [12]

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R09

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R09 Code No: C0407

JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD M.Tech I Semester Examinations, October/November 2011

MECHATRONICS (CAD/CAM)

Time: 3hours Max. Marks: 60 Answer any five questions

All questions carry equal marks - - -

1.a) Discuss briefly the control architectures useful in mechatronic systems. b) Enumerate various stages involved in the design of a mechatronic system. [12] 2.a) Explain the terms bouncing and debouncing as applied to mechanical

switches. b) State the advantages and applications of stepper motor. [12] 3.a) What are the advantages of feed forward control loop? Discuss. b) Discuss in detail about adaptive control. [12] 4.a) Explain briefly the various parts of a microprocessor system.

b) What criteria should be considered while selecting programmable logic controllers? [12]

5. Discuss the procedures and methods in creation, edition and manipulation of data. [12] 6.a) Write a detailed note on the graphic data base used in mechatronic system. b) Discuss the machine interfacing strategy used in mechatronic system. [12] 7. Discuss about various features and pattern recognition methods. [12] 8. Write short note on any three of the following. a) Economic and social justification of mechatronics. b) Mechanical actuators. c) Decision making. d) Analog sensors. [12]

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R09 Code No: C0407

JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD M.TECH I SEMESTER EXAMINATIONS, APRIL/MAY-2012

MECHATRONICS (CAD/CAM)

Time: 3hours Max. Marks: 60 Answer any five questions

All questions carry equal marks - - -

1.a) What are the various electrical actuators? Explain the working principle of any

one electrical actuator. b) What are the various linear slides used in the mechatronic systems? 2.a) Differentiate between intelligent machine and automatic machine. b) Explain the concept of load to motor inertia mismatching with one example. 3.a) Define and state the differences between adaptive control and fuzzy control. b) Explain with an example the Fuzzy logic compensatory control. 4.a) Explain the role of programmable logic control in present automation industries. b) Explain the use of timers and counters in programmable logic control. 5.a) Explain the principle of operation of inductive sensor and capacitive sensor b) Explain the working principle of potentiometer and accelerometer. 6.a) What is machine vision? Explain the important components used in a machine

vision system b) Explain the concept of perception and cognition in decision making. 7.a) Explain CAD/CAM data base management system. b) Explain the procedure of Data manipulation manufacturing data base management system. 8. Write short note on the following a) Object oriented concepts in CAD data base system b) Pattern recognition in Machine Vision c) Sensors for motion measurement.

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