Download JNTUA M.Tech 1st Sem 2018 Regular Feb 9D15102 Advanced Mechanisms Question Paper

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Code: 9D15102

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M.Tech I Semester Supplementary Examinations February/March 2018

ADVANCED MECHANISMS

(Machine Design)

(For students admitted in 2012, 2013, 2014, 2015 & 2016 only)

Time: 3 hours

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Max. Marks: 60

Answer any FIVE questions

All questions carry equal marks

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1. (a) Explain mobility criteria for spatial mechanism and manipulators.
   

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   (b) What are the specific advantages of spherical mechanisms over other spatial and planar mechanisms?
2. Show the Bobilliers construction describe with reference to the four bar mechanism shown in the figure below satisfies the Euler Savory equation.
   
   OA A = 20 mm, 60°
   AB = 18 mm
   

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   ?_B B = 25 mm
3. (a) State and derive Halls equation.
   (b) State and prove Freudenstein's collineation axis theorem.
4. (a) Explain in brief about guiding a body to two distant positions.
   (b) Explain different types of four bar mechanisms with neat sketches.

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5. Explain function generation with neat sketch using velocity pole method.
6. (a) What is function generation? Discuss.
   (b) Derive displacement, velocity, acceleration analysis for four bar mechanism, using Freudenstein's equation.
7. Discuss important kinematic analysis of the following:
   (a) D-H transformation matrix.
   

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   (b) PUMA and STANFORD arm.
8. Write short note on the following:
   (a) Formulation of Jacobian for serial manipulator.
   (b) Singularity analysis.
   (c) D-H notation.

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