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Introduction to Mechatronics

mechatronics: a rapidly developing, interdisciplinary field of

engineering dealing with the design of products whose

function relies on the integration of mechanical and

electronic components coordinated by a control architecture.

Information

Systems

MECHATRONICS

Mechanical

Systems

Computer

Electrical

Mechatronic Key Elements

Actuators

Mechanical

Systems Electrical Systems Computer Systems

Sensors

A/D A/D

Electromechanical system Real time interfacing

Mechatronic

Mechatronic System Components

MECHANICAL SYSTEM

- system model - dynamic response

INPUT SIGNAL CONDITIONING AND INTERFACING •discrete circuits •amplifiers •filters •A/D, D/D OUTPUT SIGNAL CONDITIONING AND INTERFACING •D/A, D/D GRAPHICAL DISPLAYS •LEDs •digital displays DIGITAL CONTROL ARCHITECTURES •logic circuits •microcontroller •SBC •PLC SENSORS •switches •potentiometer •photelectrics •digital encoder •strain gauge •thermocouple •accelerometer •MEMs ACTUATORS

•solenoids, voice coils •dc motors

•stepper motors •servo motors

TRANSDUCER

_PROCESSOR

SIGNAL

RECORDER

Elements of a Measurement System

SENSORS AND TRANSDUCERS

Displacement, position and proximity

•potentiometer sensor •strain-gauged element •capacitive element

•differential transformers •inductive proximity switch •eddy current proximity switch •optical encoders

•pneumatic sensors •proximity switches •hall effect sensors

Velocity and Motion

SENSORS AND TRANSDUCERS

Force

•strain gauge force cell

Fluid pressure

Liquid flow

Liquid level

SENSORS AND TRANSDUCERS

•Temperature

•bimetallic strips

•resistance temperature detectors •termistors

•termodiodes and transistors •thermocouples

Optical Sensors

•photodiodes •phototransistors