voice recognition car

19
Prepared by:- Chovatiya Ravi ([email protected]) Patel Nilay Chovatiya Prakash Chaudhari Prakash

Upload: rchovatiya

Post on 05-Dec-2014

3.855 views

Category:

Documents


2 download

DESCRIPTION

This is my Electronics & Communication Engineering Final Year Project PPT. If any one need information then e-mail me to [email protected].

TRANSCRIPT

Page 1: Voice Recognition Car

Prepared by:-

Chovatiya Ravi ([email protected])Patel NilayChovatiya PrakashChaudhari Prakash

Page 2: Voice Recognition Car

Introduction  

Right

Left

Back

Go

Stop

Car can recognize 5 commands

By giving voice command , you can drive car

Voice recognition car

Meaning of voice recognition

Page 3: Voice Recognition Car

Wireless video transmission

Car works with this video transmission

Wireless communication between PC and Car

Receive and control

Page 4: Voice Recognition Car

Basic Design  

Signal is given to car and car is moved as per control signal

Voice input is given to microphone

Output of microphone given processing-unit processing-unit generates control signal as per voice input

Page 5: Voice Recognition Car

Amplifier

(Band pass

Filter)

Mega32 Input Voice

Car

Block Diagram:-

Steering control PWM Signal

Driving control PWM signal

Page 6: Voice Recognition Car

     1) Software Description

Page 7: Voice Recognition Car

Filter Implementation:-          

Page 8: Voice Recognition Car

2) Hardware details:  -

Page 9: Voice Recognition Car

What is mega32?

Pinout Diagram:-

8-bit microcontroller with 32K Bytes in system programmable Flash

Input signal

Steering control PWM Signal

Driving control PWM signal

Page 10: Voice Recognition Car

Why selecting mega32?

Special Features:-

Many more same features as other basic microcontroller.

Six Sleep Modes: Idle, ADC Noise Reduction, Power save, Power-down, Standby and Extended Standby,

In-System Programming by On-chip Boot Program, True Read-While-Write Operation Optional Boot Code Section with Independent Lock Bits

2K Byte Internal SRAM,

On-chip Analog Comparator,

Inbuilt ADC(Analog to Digital Convertor)

Page 11: Voice Recognition Car

WebcamOn Car

Parallel to serial converter TX

RXPC

Car works with wireless video transmission

Page 12: Voice Recognition Car

Hardware Implementation

Page 13: Voice Recognition Car

UARTTRC

HD 6402

MC74HC4040

TBRL

CLK

CLOCK

2.4576MHz

GND

5V

8 bits Parallel Data In (TBR1 to TBR8)

Dataout

UART data clocking

Page 14: Voice Recognition Car

Max232 Schematic:-

Communicating with PC

Page 15: Voice Recognition Car

Applications:-

Command and control of applinces and equipment

Telephone assistance system,

Data entry,

By putting webcam and GPS device u can Controlling your robot wireless,

Controlling all autonomous Robots,

Controlling Robotic arm ,

Controlling toys using voice,

Voice recognition security system,

Page 16: Voice Recognition Car

Speech –enabled car

Page 17: Voice Recognition Car

Computer with wireless Receiver &With voice signal transmitter

Target

Voice recognising ckt &

Wireless video transmitter

Page 18: Voice Recognition Car

References  

Speech Recognition Algorithm: Tor’s website,

LM358 Datasheet: Dual Operational Amplifier

Atmel Mega32 Data sheet: Mega32 datasheet

Matlab: To generate second order coefficient.

Harris semiconductor: UART HD6402Linx technology technical staff,HP series Transmitter and receiver module data guide:HP-3 Transmitter :HP-3 Receiver

Motorola semiconductor:12-Stage Binary Ripple Counter(MC74HC4040)

Page 19: Voice Recognition Car