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Advance Voice Control Pick and Drop Robot 2015
Level-3 Asia pacific Institute of information technology Page 1
Project Title:
“Advance Voice Control Pick and Drop Robot”
Aim:
The aim of this project is to make an advance voice control pick and drop robot and to control a
robot with voice or PC commands.
Objective:
The main objective of developing such system or robot to minimize the labor cost, reduce the risk
of life factor, increase accuracy in industries and reduce the risk of life factor of worker, which
works in mines, caves, tunnels, etc. The project is to control the robot in a desired position,
remotely through user voice commands by attaching a speech-recognition module to the
microcontroller unit and using an RF technology. At the transmitting end using push buttons or
voice commands are sent by RF to the receiver to control the movement of the robot either to move
forward, backward, left, right, pick and drop, etc. At the receiving end two motors are interfaced
to the microcontroller where they are used for the movement of the robot.
Project Description: - This project is designed to develop an advance voice control pick and drop
robot using RF technology for remote operation and remotely through user voice commands by
attaching a speech-recognition module to the microcontroller unit. The proposed system consists
of two blocks, transmitter and receiver block, both use a microcontroller of the 8051 families and
a battery for power source. The RF transmitter can take either switch press or voice commands
which are converted to encoded digital data for the advantage of adequate range (up to 200 meters)
from the robot. A voice-recognition module and a set of push-button switches interface to the
microcontroller for giving the input. The commands are sent from the voice or push-button
switches to the receiver to control the movement of the robot either in forward, backward, left,
right, pick and drop, etc. An RF receiver is connected to the receiver end with the help of a decoder
device. The two motors are interfaced to the microcontroller through a motor-driver IC wherein
they are used to, run or change the directions of the robotic vehicle. The robot is controlled by the
voice or push buttons wherein the commands are sent by the transmitter and, based on these
commands the receiver controls the directions of the robot.
Advance Voice Control Pick and Drop Robot 2015
Level-3 Asia pacific Institute of information technology Page 2
The researcher is not aiming to build a robot which can recognize a lot of words. The researcher
basic idea is to develop some sort of menu driven control of this robot, where the menu is going
to be voice driven. What the researcher is aiming at is to control the robot using following voice
commands.
Robot which can do these basic tasks:
1. Move forward
2. Move back
3. Turn right
4. Turn left
5. Pick
6. Drop
7. Stop (stops doing the current job)
Users of the system:
This system is indispensable in many manufacturing industries. The reason is that the cost per hour
to operate a robot is a fraction of the cost of the human labor needed to perform the same function.
More than this, once programmed, robots repeatedly perform functions with a high accuracy that
surpasses that of the most experienced human operator. Human operators are, however, far more
versatile. Robots require a combination of elements to be effective, sophistication of intelligence,
movement, mobility, navigation, and purpose. Without risking human life or limb, robots can
replace humans in some hazardous duty service. Humans can switch job tasks easily, but robots
can work in all types of polluted environments and also save the time.
User can Pick and drop the goods.
User can control the car or other electrical devices by voice.
User can also use in a wheel chair.
Application of this robot in industrial manipulator.
Welding operation can be done
Advance Voice Control Pick and Drop Robot 2015
Level-3 Asia pacific Institute of information technology Page 3
Assembly operation
Spray painting operations
Transferring load from one place to another
Water jet cutting operation
It can pick and drop a product
Handling of material.
Functionality:
The robot will work such as forward, back, right, left, pick, drop and stop according to voice
commands or PC commands.
Speech recognition
S. No. Input (Speaker speaks) Output (Robot does)
1.
Forward
Moves forward
2.
Backward
Moves back
3.
Right
Turns right
4.
Left
Turns left
5.
Pick
Pick the goods
6.
Drop
Drop the goods
7.
Stop
Stops doing current
task
Advance Voice Control Pick and Drop Robot 2015
Level-3 Asia pacific Institute of information technology Page 4
Main components Used:
Voice module
RF module
Microcontroller
Motor Driver
DC Motors
Block Diagram:
Figure 1: Block diagram of transmitter circuit
Figure 2: Block diagram of receiver circuit
Advance Voice Control Pick and Drop Robot 2015
Level-3 Asia pacific Institute of information technology Page 5
Literature search:
Robot Control Based on Voice Command by researcher Xiaoling Minglu and Hui Li
In this paper, a speech-control robot system has been presented. This speech-control system,
though quite simple, shows the ability to apply speech recognition techniques to the control
application. This advance robot can understand control commands spoken in a natural way, and
execute the corresponding action. The method has proved efficient enough for real-time operation.
Such a robot has potential for application in somewhere voice communication plays a crucial role.
[Minglu X., (2008)]
In this paper, an intelligence arm, robotic with user-friendly human-computer interface (HCI)
based on electromyogram (EMG) signal, and voice proposes. The user’s intention is transferred to
the robot via the (HCI), and then the robot is controlled to the intended direction. Additionally, the
robot can pick and drop any goods. By combining HCI into the autonomous functions, it performs
safe and reliable motions while considering the user’s intention. [Li H., (2008)]
Advance Voice Control Pick and Drop Robot 2015
Level-3 Asia pacific Institute of information technology Page 6
An Intelligent Motion Control of Robot based Voice Recognition by researcher Young-Mok
Koo:
“An Evolutionary Approach to improve the lifetime of the human” This paper is about the
application of speech recognition in the robot control system. The robot vocal commands are
limited words, such as left, right, forward, backward, pick and drop, etc. In this paper, the main
purpose is a simple and effective voice control method applied to a positioning task performed by
a robot and the robot can understand control commands spoken in a natural way, and execute the
corresponding action. [Yang S & Youl Park M., (2014)]
A Voice-Controlled Personal Assistant Robot by researcher V. K. Mital:
In this paper, the researcher has developed a voice-controlled personal assistant robot. The human
voice commands are given to the robotic assistant remotely, by using a PC (Personal Computer).
The robot can perform different movements, turns, start/stop operations and pick/drop an object
from one place to another. The voice commands are processed in real-time, using RF technology.
The speech signal commands converted to text form communicated to the robot. It can be used in
hospitals, homes, industries and Educational institute. [Mishra A & Makula P., (2015)]
Advance Voice Control Pick and Drop Robot 2015
Level-3 Asia pacific Institute of information technology Page 7
Main components cost:
Single User Cost
Serial no.
Components
name
Selection of
component
No. of
components
Total Prices
1.
Microcontroller
AT89s52
1
80
2.
PCB
General
1
40
3.
Transformer
Step down
1
50
4.
Diode
P-type , N-type
4
90
5.
Capacitor
1000mf, 27pf, 10uf
5
50
6.
Resistor
1k, 4700 ohm,10k ,220k
8
20
7.
Led
Red
2
5
8.
Convertor
Analog to digital
1
45
9.
Transistor
PNP and NPN
2
20
10.
Encoder
HT-12E
1
80
11.
Decoder
HT-12D
1
120
12.
RF module
Frequency
1
95
Advance Voice Control Pick and Drop Robot 2015
Level-3 Asia pacific Institute of information technology Page 8
13.
H-bridge
AC to DC
4
460
14.
Motor
DC
2
300
15.
Photo coupler
Pc-817
4
55
16.
Cristal oscillator
Hz
1
20
17.
Voice Module
Signal
1
1500
18.
MAX 232
Converter
1
140
19.
Regulator (7805)
Voltage
1
40
20.
Mic
Voice signal
1
250
21.
Main body design
System
1
350
22.
Component design
1
100
23.
Body
1
300
Total estimation of the cost = Rs. 4210
Advance Voice Control Pick and Drop Robot 2015
Level-3 Asia pacific Institute of information technology Page 9
References:
[1] Bayas, Sagar. 'Smart Robot Based On Voice Recognition For Handicapped'. Slideshare.net.
N.p., 2015. Web. 1 Oct. 2015.
[2] Engineersgarage.com,. 'Voice Controlled Robot Using 8051 Microcontroller: Circuit
Diagram & Code'. N.p., 2015. Web. 1 Oct. 2015.
[3] Engineersgarage.com,. 'Voice Controlled Wheel Chair For Physically Disabled People:
Project With Circuit Diagram And Code'. N.p., 2015. Web. 1 Oct. 2015.
[4] English,. 'Voice Controlled Robotic Vehicle Using Speech Recognition'. N.p., 2015. Web. 1
Oct. 2015.
[5] English,. 'Voice Controlled Robotic Vehicle With Long Distance Speech Recognition'. N.p.,
2015. Web. 1 Oct. 2015.
[6] Generationrobots.com,. 'Controling A Robot Using Voice - Speech Recognition Module For
Robots - Génération Robots'. N.p., 2015. Web. 1 Oct. 2015.
[7] Home.iitk.ac.in,. 'Control Of A Robot By Voice Input'. N.p., 2015. Web. 1 Oct. 2015.
[8] Simpson, Richard C. 'Smart Wheelchairs: A Literature Review'. The Journal of
Rehabilitation Research and Development 42.4 (2005): 423. Web. 1 Oct. 2015.