Download JNTU M.TECH 2-semester NEURAL AND FUZZY SYSTEMS September-2008 Exam Question Paper | Indian Shout

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Download JNTU M.TECH 2-semester NEURAL AND FUZZY SYSTEMS September-2008 Exam Question Paper

Code No: 52211/MT

M.Tech. – II Semester Regular Examinations, September, 2008

NEURAL AND FUZZY SYSTEMS
(Common to Power System Control & Automation/ Electrical Power
Systems/ Power Electronics/ Electrical Power Engineering)

Time: 3hours        Max. Marks:60

Answer any FIVE questions
All questions carry equal marks
– – –

1.a)  Explain McCulloch-Pitts Model.
b)  Discuss the characteristics of Artificial Neural Networks.

2.a)  Distinguish Training and Learning.
b)  How do neurons transfer unbounded inputs to bonded outputs?

3.  Illustrate learning process in a Back Propagation Neural Network
to get output as [0.2  0.4  0.6] from inputs (0.1  0.2   0.3). Assume
the network has one hidden layer. Apply the concept of
Momentum. Perform three iterations.

4.a)  What is Associative memory? Explain with reference to human
brain.
b)  Explain the architecture of Hopfield network.
5.a)  What is stability-plasticity dilemma? Explain how it is overcome in
ART networks?
b)  Discuss any two applications of LVQ.

6.a)  Explain fuzzy sets as points in hypercube. Discuss the significance
of vertices and center.
b)  Explain C-means clustering algorithm.

7.a)  Consider three fuzzy sets in the ranges 0-5, 2.5-7.5, 5-10, with 1st
set  and 3rd sets as trapezoidal membership functions and the 2nd
as triangular membership function. Fuzzify the crisp values
1,3,6,7.5 & 9.
b)  Explain how logical rule base is built in fuzzy logic.

8.a)  Discuss the application of Neural Networks in Function
approximation.
b)  Explain how fuzzy logic can be used to design automatic washing
machine.

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