Name of the College : Mahatma gandhi University
Department : Applied Electronics & Instrumentation
Subject Code/Name : AI010 804L01/ NEURAL NETWORKS
Sem : VIII
Website : mgu.ac.in
Document Type : Model Question Paper
Download Model/Sample Question Paper : https://www.pdfquestion.in/uploads/mgu.ac.in/4971-AI010%20804L01-%20NEURAL%20NETWORKS.pdf
MGU Neural Networks Question Paper
B.TECH DEGREE EXAMINATION :
Eight Semester
Branch : Applied Electronics & Instrumentation
Related : Mahatma gandhi University EI010805 Professional Ethics B.Tech Model Question Paper : www.pdfquestion.in/4983.html
(New scheme: Regular)
Time: Three hours
Maximum: 100 Marks
Part A
Answer all questions. :
Each question carries 3 marks :
1. Draw the block diagram of an artificial neuron.
2. Write the output equation of a 3 input – 1 output single layer perceptron with bias.
3. A feedforward network is unconditionally stable. Explain this statement using one or two sentences?
4. Explain briefly why a competitive network has lateral connections.
5. Which are the two functional units in a Boltzmann’s machine answer briefly?
(3 x 5 = 15 Marks)
Part B
Answer all questions. :
Each question carries 5 marks. :
6. List the various architectures of ANNs and draw appropriate diagrams.
7. With appropriate diagram show how error information is propagated back through a MLFNN.
8. Describe briefly the difference between Autoassociative and Heterassociative memory.
9. Draw the diagram of instar network and write its weight update equation.
10. Briefly explain the principle of simulated annealing.
(5 x 5 = 25 Marks)
Part C
Answer any one full question from each module. :
Each question carries 12 marks. :
11. With equations describe the classical activation functions used in ANNs? (12 Marks)
Or
12. Show how a multilayered feed forward is used to solve the XOR problem. (12 Marks)
13. Derive the weight update equation for the hidden layer units using the Back Propagation algorithm. (12 Marks)
Or
14. Write short notes on
a) Steepest descent algorithm. (4 Marks)
b) Local minima and Global Minimum (4 Marks)
c) Effect of learing rate. (4 Marks)
15. Draw the diagram of fully recurrent Discrete Hopfield network with 3 output units and describe the steps involved in its training and recall. (12 Marks)
Or
16. a) How does an ART network solve the problem of stability-plasticity dilemma? (4 Marks)
b) Draw the architecture of ART1 network and give brief descriptions about its functional modules. (8 Marks)
17. What is the principal goal of self organizing feature map network? Draw the schematic diagram of 2D-SOFM and describe the three essential process in the formation of an SOFM. (12 Marks)
Or
18. Draw the diagram of Forward only CPN and explain its working. (12 Marks)
19. Describe the operation of Boltzmann’s machine. (12 Marks)
Or
20. a) Write a short note on Simulated annealing. (4 Marks)
b) Consider a 2D – plane with the vertical y – axis and horizontal x – axis. It is required to classify the plane to the two regions, C1 with output = 1 and C2 with output = 0. The decision algorithm is
If f (x-2) = 0 output of the network =1 and
If f (x-2) < 0 the output of the network is 0.
Using simple matlab commands write a matlab program to implement the classification. –
(8 Marks)
(12 x 5= 60 Marks)
Electronics & Instrumentation Engineering
B Tech Degree Examination :
Eigth Semester
Instrumentation System Design
(Common to AI010 801 and IC 010 801)
Time : 3 Hrs
Maximum : 100 marks
Answer all questions
PART A :
Each question carries 3 marks
1) Discuss about the need for reference junction compensation in thermocouple.
2) Compare the features of 2 wire and 4 wire transmitters with smart transmitters.
3) Explain the factors affecting the sensitivity of bourdon tubes.
4) Write a note on Bid documents and project procedures.
5) Define the terms (i) modulation, (ii) Averaging, (iii) Auto correlation. (5 × 3 = 15 marks)
PART B :
Each Question carries 5 marks
6) Describe the operation of an inductive push pull amplifier.
7) Give the design procedure for ON-OFF controller with neutral zone.
8) Explain the design of square root extractor s for variable head flow meters.
9) Write a note of ISA symbols and its importance.
10) Explain shielding , screening and filtering (5 × 5 = 25 marks)
PART C :
Each question carries 12 marks
11) a) Explain the design of instrumentation amplifier. 8 marks.
b) Explain strain gauge accelerometer 4 marks. OR
12) Explain the various linearising techniques for thermistor and thermocouple 12 marks.
13) Explain the design and implementation of electronic PID controller 12 marks. OR
14) What are annuciators and ennuciators? Explain the design of low level and high level annuciators. 12 marks.
15) Explain detail the design of orifice meter for a given flow condition. 12 marks. OR
16) a) Explain the design of rotameter 6 marks.
b) Describe the design of bourdon tube 6 marks.
17) a) Explain with an example the process flow sheet 6 marks.
b) Discuss about the preparation of Instrumentation project 6 marks. OR
18) a) Write notes on PI diagram 6 marks.
b) Discuss about the Instrument specific sheet for pressure 6 marks.
19) Describe any three methods for noise reduction 12 marks. OR
20) Explain various noise sources and coupling mechanisms. 12 marks.