Reg. No. :

s 4933B. E./B. Tech. DE GRE E EXAMINATION. NOVEMBER/DE CEMBER 200 7.

Seventh Semester

Automobile Engineering

ME 1OO8 - ROBOTICS

(Regulation 2004)

(Common to Production Engineering and Mechanicai Engineering)

Time : Three hours Maximum: 100 marks

Answer ALL questions.

PARTA- (10 x2=20 marks )

1. What is meant by a work envelope?

2. Sketch a robot and name its oarts.

3. Classify robots according to the drive system.

4. List any TWO important advantages and disadvantages of a pneumaticgriPPer.

5. State the working principle of a touch sensor.

6. What is the function of a frame grabber?

7. What is meant by a teach pendant?

8. Explain any TWO commands associated with the progranming of an endeffector.

9. List any TWO important considerations for robot safety.

10. How do you calculate the robot economics by return of investment method?

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PARTB- (5x16=80marks )

11. (a) (i) Sketch a robot wrist and explain it's the joint movements. (8)(ii) Briefly explain the need for robots in industries. (8)

OrClassify robots according to the coordinates of motion. With a sketch andan example, explain the features of each type. G + 12)

12. (a) (i) With a neat sketch, explain the working of a stepper motor' (8)(ii) With suitable illustration, expiain the working of the external and

internal gripPers. (8)

(b)

13. (a)

OrWith a neat sketch, explain any FI\IE types of mechanical grippers. (16)

With an appiication example, explain the stagessystem.

Orft) (i) with suitable sketch and an application example, explain the

principle of working of the following sensors : (8)(1) Inductive ProximitY sensor(2) Siip sensor.

(ii) Write a note on the applications of a machine vision system. (8)

Using VAL langUage, discuss the basic commands and explain thestruclure ofthe program for a typicai pick-and-place operation. (16)

Or

(b)

L4. (a)

of a machine vision(16)

kinematics of a 3(10)(b l

should follou' during(16 )

(b) (i) Write a criticai note on forward and inversedegree of freedom robot.

(ii) Write a note on lead-through programming'

15. (a) Write a critical note on the steps that a companyimplementing robotics.

Or

(b) (i) Write a note on AGV.(ii) Explain the features of safety sensors and safety monitoring

robots.

(8)of

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