ME 2401 MECHATRONICS

ANNA UNIVERSITY SEMESTER EXAMINATION QUESTION

BANK

UNIT – 1 MECHATRONICS, SENSORS AND TRANSDUCERS

1. Explain open loop and closed loop system/ Explain automatic water level controller/ Explain

temperature controlled closed loop system .

2. Compare and contrast open loop and closed loop system.

3. Explain sequencial controller/ Explain automatic washing machine.

4. Explain microprocessor based controller/ Explain automatic camera/ Explain engine

management system.

5. Explain selection of sensors.

6. Explain performance terminologies of sensors and transducers.

7. Explain shaft speed controller.

8. Explain the following

1. Incremental and optical encoder

2. Hall effect sensor

3. Tachogenerator

4. Piezoelectric sensor

5. Pyroelectric sensor

6. Tactile sensor

7. RTD

8. Proximity switches

9. Photo electric sensor

10. Bellow and capsules

11. Thermocouple

12. Photodiode

UNIT – 2 ACTUATION SYSTEMS

1. Explain the different types of stepper motor.

2. Explain the different types of AC and DC motor.

3. Explain the different types of AC and DC motor speed control.

4. Explain the construction and working principle of AC and DC motor.

5. Explain different types of solid states switches.

6. Explain different types of roller and ball bearings.

7. Draw the cascade circuit of A+B+A-B-.

8. Explain the different types of cam and follower.

9. Explain the three types of pressure control valves.

10. Explain direction control valve, rotary actuators and solenoid.

UNIT – 3 SYSTEM MODELS AND CONTROLLERS

1. Explain in detail adaptive control system.

2. Explain PID controller

3. Explain PD controller.

4. Explain PI controller.

5. Explain continuous and discrete process controller/Expalin various control modes.

6. Derive a mathematical model for a spring mass damper system.

7. Explain the building blocks of mechanical system.

8. Explain about building up of mechanical system.

9. Explain about building up of hydraulic mechanical system.

10. Explain about building up of rotational translational systems.

11. Explain about building up of electro mechanical systems.

UNIT – 4 PROGRAMMING LOGIC CONTROLLERS

1. Expalin the Architecture of PLC with neat diagram. (For diagram refer Bolton)

2. Expalin Input/output processing of PLC.

3. Expalin Data handling in PLC.

4. Explain different Ladder logic functions

5. Explain Shift register.

6. Explain Master and jump control.

7. Explain Counters and different types of counters

8. Explain Timers and different types of timers.

9. Explain Internal relays.

UNIT – 5 DESIGN OF MECHATRONICS SYSTEM

1. Discuss the various stages involved in the design of mechatronics systems

2. Compare and contrast the traditional and mechatronics design approach applicable for

advance manufacturing

3. Design a mechatronics system for a pick and place robot and explain the various

mechatronics elements

4. Design a mechatronics system for an automatic camera and explain the various mechatronics

elements

5. Design a vehicle engine management system on the basis of mechatronics system design.

6. With necessary diagram explain the car parking system.

7. Design a autonomous mobile robot on the basis of mechatronics system design.

8. Design wireless surveillance balloon on the basis of mechatronics system design.

INSTRUCTIONS

SNO UNIT NO QNO REMARKS

1 UNIT I

11 a)

Automatic washing

Machine, Automatic

camera, elements of

Mechatronics,

Engine Management

System, Shaft speed

controller

11 b)

Sensors and

Transducers

Sometimes sensors

and transducers

may be asked in

11 a and 11 b

2 UNIT II

Either from

Pneumatic or

Mechanical

actuation system

Either from

Mechanical or

Electrical actuation

system

3 UNIT III 13 a) System

Models derivations

13 b) Controllers

4 UNIT IV 14) a NA 14 b) NA

5 UNIT V 15)a NA 15 b) NA

STUDY PLAN

6.11.15 ---------UNIT 5

7.11.15 --------- UNIT 4

8.11.15 --------- UNIT 3

9.11.15 --------- UNIT 2

10.11.15 --------- UNIT 1

12.11.15 --------- REVISION