Download - Voice Recognition Car
Prepared by:-
Chovatiya Ravi ([email protected])Patel NilayChovatiya PrakashChaudhari Prakash
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
Wireless video transmission
Car works with this video transmission
Wireless communication between PC and Car
Receive and control
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
Amplifier
(Band pass
Filter)
Mega32 Input Voice
Car
Block Diagram:-
Steering control PWM Signal
Driving control PWM signal
1) Software Description
Filter Implementation:-
2) Hardware details: -
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
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)
WebcamOn Car
Parallel to serial converter TX
RXPC
Car works with wireless video transmission
Hardware Implementation
UARTTRC
HD 6402
MC74HC4040
TBRL
CLK
CLOCK
2.4576MHz
GND
5V
8 bits Parallel Data In (TBR1 to TBR8)
Dataout
UART data clocking
Max232 Schematic:-
Communicating with PC
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,
Speech –enabled car
Computer with wireless Receiver &With voice signal transmitter
Target
Voice recognising ckt &
Wireless video transmitter
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)