BEME604T: MECHATRONICS

UNIT – I [ 8 Hrs.]
Introduction to mechatronics:
Review of sensors, transducers and solid state electronic devices (Only review, no questions to be
set on these topics).
Scope and elements of mechatronics, mechatronics design process, measurement system,
requirements and types of control systems, feedback principle, Basic elements of feedback
control systems, Classification of feedback control system.
Examples of Mechatronics Systems such as Boat Autopilot, High-Speed Tilting trains, Automatic
Car Park system, Coin counter, Engine management system, Antilock braking system (ABS)
control, traffic controller, temperature controller, weigh-bridge, weather prediction, Automatic
washing machine etc. General remarks on applications.
UNIT – II [ 8 Hrs.]
System Interfacing and Data Acquisition:
DAQs: Data acquisition systems (DAQS), data loggers, Supervisory control and data acquisition
(SCADA), Communication methods.
I/O hardware and Software at the Microprocessor: Level and commutation, I/O operations,
Data width, interfacing requirement, Buffers, Handshaking, Polling and interrupt, Digital
communication, Parallel communication, Serial communication, Peripheral interface device
(PIA), Analogue interfacing.
Analogue to Digital and Digital to Analogue Conversations: Introduction to digital signal
processing (DSP), Data flow in DSPs, Block diagrams and typical layouts.
Components of interconnections and Impedance Matching: Impedance characteristics,
Cascade connection of devices, Impedance matching in mechanical systems, interfacing
microcontroller output with actuators.
Interfacing Motor Drives: Drives units- DC drives, Variable frequency drives (VFD), Scalar
and Vector drives, Stepper motor driver and controller.

UNIT – III [ 8 Hrs.]
Actuating Systems:
Review of Mechanical Actuating Systems: Mechanical systems, Types of motion, Cams, Gears,
Ratchet and Pawl, Belt & chain drives, Bearings, Preload, Mechanical aspects of motor selection.
(Only review, no questions to be set on these topics)

Electrical Actuating Systems: Mechanical switches and relays, solenoids, state switches-
solenoids, DC Servomotors, Stepper motor, Induction Motors, speed control , pulse four-
quadrant servo drives, Pulse width modulation (PWM) frequency drive, vector drive.

Pneumatics & Hydraulic Actuating Systems: Pneumatics & Hydraulic Systems, directional
control valves, pressure control valves, servo and proportional control valves, Process control
valves, cylinder sequencing and cascade control, rotary actuators, Identifications of graphical
symbols for Pneumatic and Hydraulic circuits.
UNIT – IV [ 8 Hrs.]
Digital logic: Number system, Logic gates, Boolean algebra, Karnaugh map, Applications of
gates, Sequential logic.
Introduction – Components of Microprocessors: Number systems, arithmetic operations on
binary numbers, 8-bit, 16-bit, 32-bit microprocessors.
8085 Microprocessor: Pin configurations of 8085, architecture of the execution unit, memory
segmentation in 8085, architecture of bus interface unit of 8085, building of microprocessor
subsystems.
UNIT – V [ 8 Hrs.]
Programmable Logic Controller: Introduction to PLCs, Basic structure of PLC, Principle of
operation, input and output processing, PLC programming language, ladder diagram, ladder
diagrams circuits, timer counters, internal relays, master control, jump control, shift registers,
data handling, and manipulations, analogue input and output, selection of PLC for application.
Application of PLC control: Extending and retracting a pneumatic piston using latches, control
of two pneumatic pistons, control of process motor, control of vibrating machine, control of
process tank, control of conveyer motor etc.

[ 8 Hrs.]

UNIT – VI
Introduction to SCADA: Functionality, applications, development, evaluation and benefits of
SCADA.
Introduction to Electronics Interface Subsystems: Transistor- Transistor logic (TTL),
Complimentary metal-oxide semiconductor (CMOS) interfacing, sensor interfacing, motor
isolation schemes, buffer IC breakers, over current sensing, resettable fuses.
Introduction to Micro Electro Mechanical Systems (MEMS): Fabrication methods - Working
and applications of MEMS based accelerometer, pressure sensor and gyroscope.

TEXT BOOKS:

1. Mechatronics - Integrated Mechanical Electronics System, K.P. Ramachandran,
Wiley India Pvt. Ltd. New Delhi
2. Mechatronics & Microprocessors, K.P. Ramachandran, Wiley India Pvt. Ltd., New
Delhi.
3. Programmable Logic Controllers, John W Webb and Ronald A Reis, Prentice Hall,
Inc., 1999.
4. Mechatronics, Bolton W, Pearson Education, Second Edition, 1999.
5. Pneumatic Application, Kemprath Reihe, Wemer Depper and Kurt Stoll, Vogel
Buch Verlag Wurzbutg, 1987.
6. An Introduction to MEMS Engineering, Nadim Maluf & Kirt Willams.
7. RF MEMS & their Applications, Vardhan, Willey India Pvt. Ltd.
8. MEMS: Introduction and Fundamentals, Mohamed gad-el-hak, CRC Press, 2nd ed.

REFERENCE BOOKS:

1. Pneumatic Application, Wemer Deppert and Kurt Stoll, Kemprath Reihe, Vovel
Verlag , Wurzburg, 1976.
2. Pneumatic Tips, Festo K G, Festo, Germany, 1987.
3. Mechatronics, N. P. Mahalik, Mc Graw-Hill Education.
4. Mechatronic Systems Fundamentals, Rolf Isermann, Springer, 2003.
5. Mechatronics: Introduction, Robert H Bishop, Taylor and Francis, 2006.
6. Mechatronics System Design, D. Shetty, Cengage Learning (Indian Ed.)