MechatronicsEEN-021

BYPrashant Mani Tripathi

Introduction

Cont...

• The word, mechatronics is composed of mecha from mechanics and tronics from electronics.

Mechatronicsmecha

tronicsEletronics

Mechanics

Mechatronics: Working Definition for us

• Mechatronics is the synergistic integration of sensors, actuators, signal conditioning, power electronics, decision and control algorithms, and computer hardware and software to manage complexity, uncertainty, and communication in engineered systems.

Elements of Mechatronics—Electromechanical

• Electromechanical elements refer to:– Sensors

• A variety of physical variables can be measured using sensors, e.g., light using photo-resistor, level and displacement using potentiometer, direction/tilt using magnetic sensor, sound using microphone, stress and pressure using strain gauge, touch using micro-switch, temperature using thermistor, and humidity using conductivity sensor

Cont.…– Actuators

• DC servomotor, stepper motor, relay, solenoid, speaker, light emitting diode (LED), shape memory alloy, electromagnet, and pump apply commanded action on the physical process

• IC-based sensors and actuators (digital-compass, -potentiometer, etc.).

Flexiforce Sensor

DC Motor

Elements of Mechatronics—Electrical/Electronic

• Electrical elements refer to:– Electrical components (e.g., resistor (R), capacitor (C), inductor (L),

transformer, etc.), circuits, and analog signals

• Electronic elements refer to:– analog/digital electronics, transistors, thyristors, opto-isolators,

operational amplifiers, power electronics, and signal conditioning

• The electrical/electronic elements are used to interface electro-mechanical sensors and actuators to the control interface/computing hardware elements

Micro to Macro Applications

Mechatronics Systems

MEMS

Consumer Electronics

Tools

Computers

Cars

Stealth Bomber

High Speed Trains

CNC BendingComputer numerical control

•Fully automated bending: load sheet metal and the finished bent parts come out•Can bend complex shapes

Mechatronics Systems-Manufacturing Applications-

•Train Position and Velocity constantly monitored from main command center. •Error margin in scheduling no more than 30 seconds•Fastest trains use magnetic levitation

High Speed Trains

Mechatronics Systems-Transportation Applications-

JR-MaglevTop Speed: 574 km/h (357 mph)Country: Japan

TransrapidTop Speed: 550 km/h (340 mph)Country: German

Magnetic Levitation

-Transportation Applications-

Advantages•Simple and intuitive personal transportation device

Systems Uses•Tilt and pressure sensors •Microcontroller•Motors•Onboard power source

Segway

Mechatronics Systems

-Smart Robotics Application-

System Can•Carry 340 lb•Run 4 mph•Climb, run, and walk•Move over rough terrain

BigDog

Advantages•Robot with rough-terrain mobility that could carry equipment to remote location.

Mechatronics Systems

-Space Exploration Application-

System Can•Collect specimens•Has automated onboard lab for testing specimens

Advantages•Robot that can travel to other planets and take measurements automatically.

Mechatronics Systems

Phoenix Mars Lander's

-Medical Applications-

Prosthetics•Arms, Legs, and other body parts can be replaced with electromechanical ones.

Mechatronics Systems

-Medical Applications-

•Used by patients with slow or erratic heart rates. The pacemaker will set a normal heart rate when it sees an irregular heart rhythm.

•Monitors the heart. If heart fibrillates or stops completely it will shock the heart at high voltage to restore a normal heart rhythm.

Mechatronics Systems

Pace Maker

Implantable Defibrillation

-Defense Applications-

•Advanced technology is making our soldiers safer.•Some planes can now be flown remotely.

Unmanned Aerial Vehicle

Stealth Bomber

Mechatronics Systems

-Sanitation Applications-

System Uses•Proximity sensors •Control circuitry •Electromechanical valves•Independent power source

Advantages•Reduces spread of germs by making device hands free•Reduces wasted water by automatically turning off when not in use

Mechatronics Systems

-Sanitation Applications-

Advantages•Reduces spread of germs by making device hands free•Reduces wasted materials by controlling how much is dispensed

Systems Uses•Motion sensors •Control circuitry •Electromechanical actuators •Independent power source

Soap Dispenser

Paper Towel Dispenser

Mechatronics Systems

Smoke Detector System

Mechatronics Systems-Smart Home Applications-

Complete Definition Advanced Step in Innovative MObility