Question Paper Code : 41576
B.E./B.Tech. DEGREE EXAMINATIONS, NOVEMBER/DECEMBER 2024.
Seventh Semester
Civil Engineering
OMR 351 — MECHATRONICS
(Common to : Aeronautical Engineering/Aerospace Engineering/Automobile Engineering/Biomedical Engineering/Computer Science and Design/Computer Science and Engineering/Computer Science and Engineering (Artificial Intelligence and Machine Learning)/Computer Science and Engineering (Cyber Security)/Computer and Communication Engineering/Electrical and Electronics Engineering/Electronics and Communication Engineering/Electronics and Instrumentation Engineering/Electronics and Telecommunication Engineering/Environmental Engineering/Geoinformatics Engineering/Industrial Engineering and Management/Instrumentation and Control Engineering/Manufacturing Engineering/Marine Engineering/Materials Science and Engineering/Mechanical Engineering/Mechanical and Automation Engineering/Medical Electronics/Petrochemical Engineering/Production Engineering/Robotics and Automation/Safety and Fire Engineering/Agricultural Engineering/Artificial Intelligence and Data Science/Bio Technology/Biotechnology and Biochemical Engineering/Chemical Engineering/Chemical and Electrochemical Engineering/Computer Science and Business Systems/Fashion Technology/Food Technology/Handloom and Textile Technology/Information Technology/Petrochemical Technology/Petroleum Engineering/Pharmaceutical Technology/Plastic Technology/Textile Chemistry/Textile Technology)
(Regulations 2021)
Answer ALL questions.
PART A — (10 × 2 = 20 marks)
- 1.
What are the basic constituent elements of a measurement system?
- 2.
How does Eddy current proximity sensors work?
- 3.
Write an assembly Language program (ALP) to find out Two's complement of an 8 - bit number.
- 4.
Indicate the number of machine cycles in STA 4800 instruction and state what are they?
- 5.
Distinguish between Peripheral I/O and memory mapped I/O.
- 6.
Define resolution and full scale output of DAC.
- 7.
Draw the ladder rungs to represent either of two, normally open switches have to closed for a coil to be energized and operate an actuator.
- 8.
How to select the PLC for your particular applications?
- 9.
Write the working principle of servo motors.
- 10.
Differentiate between Traditional design approach and mechatronics design approach.
PART B — (5 × 13 = 65 marks)
- 11.(a)
Explain the Design consideration and steps involved in Mechatronics system Development.
- Or
- (b)
Explain the principle, construction and applications of Hall effect Sensor with suitable diagram.
- 12.(a)
Draw and explain the architecture of 8085 Microprocessor and explain each block.
- Or
- (b)
Draw and explain the Timing diagram of RET instruction. The opcode for RET instruction is 'C9'.
- 13.(a)
A stepper motor of 200 steps / rev is to be interfaced with 8255 PPI and 8085 Microprocessor to make 90 degree angular rotation clockwise. Write an ALP for the same.
- Or
- (b)
Design a hardware to interface 7 segment LED with 8051 Microcontroller. Write software to display a Number '9'.
- 14.(a)
Sketch and explain with Ladder diagram for the following
- (i)Latch circuit.(3)
- (ii)Cylinder sequencing circuit.(10)
- Or
- (b)
Device a circuit that can be used to start a motor and then delay of 100 s start a pump. When the motor is switched off there should be a delay of 10 s before the pump is switch off.
- 15.(a)
Draw and explain the construction, working principle, applications and advantages of servo motors with neat sketch.
- Or
- (b)
Explain the mechatronics involved in a Engine management system with suitable diagram.
PART C — (1 × 15 = 15 marks)
- 16.(a)
Discuss a case study about how mechatronics used in automatic Camera with suitable diagram and also mention various components involved in this.
- Or
- (b)
Describe the design and implementation of Mechatronics case study for coin operated Automatic car park barriers.