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text in A PROJECT REPORT ON

'ACCELEROMETER BASED ROBOT MOTION AND SPEED CONTROL'

(User Defined Project)

Sr No. NAME OF STUDENT ENROLMENT NO.

1. BHAGVAGAR PRIYAM 130420117006

2. MORKER BHUVNESHWAR 130420117007

3. DESAI TANAY 130420117016

4. DIYORA SIDDHARTH 130420117017

SARVAJANIK COLLEGE OF ENGINEERING & TECHNOLOGY

INDEX

ACKNOWLEDGEMENT 4

ABSTRACT 4

CERTIFICATE FROM COLLEGE 6

CERTIFICATE FOR ONLINE COMPLETION OF ACTIVITES 7

CERTIFICATE OF PLAGIARISM 8

LIST OF FIGURES 9

LIST OF TABLES 10

CHAPTER 1: INTRODUCTION

1.1 Problem Summary/Introduction 11

1.2 Aim & Objective of Project 11

1.3 Brief Literature Review & Prior Art''''''''''''''.11

1.4 Materials/Tools Required 12

1.5 Plan of Our Work 21

CHAPTER 2: DESIGN: Analysis, Design, Methodology & Implementation Strategy

2.1 Observation Matrix 22

2.2 Empathy Mapping Canvas''''''''''''''''''24

2.3 Ideation Canvas 26

2.4 Product Development Canvas 26

CHAPTER 3: IMPLEMENTATION

3.1 Design of Block Diagram 29

3.2 Simulation.................................................................................................30

3.3 Component Specification''''''''''''''''''..30

3.4 Hardware Implementation''''''''''''''''''.32

  CHAPTER 4:  Summary

                    4.1 Summary of Results .33

4.2 Advantages 33

4.3 Future Scope 34

4.4 Benchmarking of our Project 34

 References ''34

APPENDIX:   Periodic Progress Reports (PPR)''''''''''''''''.35

Patent Search & Analysis Report (PSAR)''''''''''''..40

Design Engineering Canvas'''''''''''''''''''.57

ACKNOWLEDGEMENT

As students of the final year of engineering (Instrumentation & Control Dept.), we are required to undertake a project as a part of our curriculum. Our project is titled 'ACCELEROMETER BASED ROBOT MOTION AND SPEED CONTROL'. Herewith is encapsulated a report of the same. In submitting this report, we the undersigned, would like to take the opportunity to thank all these people, without whose help our modest endeavour would never have seen the light of the day.

It is a matter of extreme honor and privilege for us to offer our grateful acknowledgement to our guide Prof. Nandkishor Joshi, Sarvajanik College of Engineering and Technology, Surat for providing us a chance to work under their guidance and supervision.

We express our sincere appreciation and thanks to Dr. Vaishali Mungurwadi (Principal,SCET) and Dr. Utpal Pandya(H.O.D.,IC Dept.) for constant encouragement and needful help during various stages of work. We are thankful to the institute for providing all kind of required resources.

We appreciate all our colleagues whose direct and indirect contribution helped us a lot to accomplish this report and who made the period of project more pleasant and fruitful. We would also like to thank all the teaching and non- teaching staff for cooperating with us and providing valuable advice which helped us in the completion of this report.

Sr No. Name of student Enrolment No. Signature

1 Bhagvagar Priyam 130420117006

2 Morker Bhuvneshwar 130420117007

3 Desai Tanay 130420117016

4 Diyora Siddharth 130420117017

ABSTRACT

Generally, Robots are machines which are used to perform specific task, the tasks which are difficult for a human to perform. Basically robots are operated by the human instructor by giving different instructions to perform a particular operation. In this way decisions are taken according to the operating conditions of the instructor and the task is performed by the machines or robots. Thus, we can use these robots to perform those tasks that may be harmful for humans or the tasks which is not possible for a human to perform.

Our domain presents a model for hand gesture controlled user interface, and identifies trends in technology, application and usability as well as reliability. We present an integrated approach is real time detections, gesture based data which control robot movement and manipulation on gesture of the user using hand movements detected by accelerometer. A three axis accelerometer is acclimation. As the accelerometer will be mounted on the hand, accelerometer will detect the motion of the hand or gesture of hand.  The gesture is capture by accelerometer and is forwarded further for operation. Today human machine interactions are moving towards automation and robotics is the need of automation. With the introduction of new technology with each passing day the gap between machines and human is decreasing.  Having future scope of advanced robotic arms that are designed like the human hand itself can easily controlled using hand gesture only. It is also having proposed utility in field of construction, medical science, hazardous waste disposal etc.

SARVAJANIK COLLEGE OF ENGG. & TECH.

INSTRUMENTATION AND CONTROL ENGINEERING

Sr No. Name of student Enrolment No.

1 Bhagwagar Priyam 130420117006

2 Morker Bhuvneshwar 130420117007

3 Desai Tanay 130420117016

4 Diyora Siddharth 130420117017

CERTIFICATE FOR ONLINE COMPLETION OF ACTIVITES

CERTIFICATE OF PLAGIARISM

 

LIST OF FIGURES

Figure No Figure Description Page No

  Fig.1.1                           AT89C51''''''''''''''''''''''........12

  Fig.1.2                           ADXL355'''''''''''''''''''''''...12

  Fig.1.3                           RF MODULE''''''''''''''''''''''.13

  Fig.1.4                           HT12E''''''''''''''''''''''''....14

  Fig.1.5                           HT12D''''''''''''''''''''''''....15

  Fig.1.6 L293D'''''''''''''''''''''''''.17

  Fig.1.7                           LM324''''''''''''''''''''''''.'18

  Fig.1.8                           DC Motor'''''''''''''''''''''''....19

  Fig.1.9                           Pert Chart'''''''''''''''''''''''....20

  Fig.2.1                           AEIOU Summary Canvas''''''''''''''''...'21

  Fig.2.2                           Empathy Mapping Canvas'''''''''''''''''..23

  Fig.2.3                           Ideation Canvas''''''''''''''''''''.'..25

  Fig 2.4     Product Development Canvas'''''''''''''''.'26

  Fig.3.1                           Transmitter Part''''''''''''''''''''.......28

  Fig.3.2                           Receiver Part''''''''''''''''''''..''.28

  Fig.3.3                           Simulation'''''''''''''''''''''.''..29

  Fig.3.4                           Hardware Implementation''''''''''''''''.'..31

LIST OF TABLES

Table No Table Description Page No

  1 Component List '''''''''''''''''''''...11

  2 Pin Discription of ADXL335''''''''''''''''..12

  3 Function of ADXL335'''''''''''''''''''13

  4 Pin Discription of RF transmitter'''''''''''''''13

   Pin Discription of RF Receiver'''''''''''''''...13

  5 Pin Discription of HT12E''''''''''''''''''14

  6 Pin Discription of HT12D''''''''''''''''''15

  7 Motor Operation'''''''''''''''''''''...16

  8 Pin Discription of LN293D'''''''''''''''''..17

  9 Pin Discription of LM324''''''''''''''''''18

  10 Specification of Components'''''''''''''''''30

CHAPTER 1

INTRODUCTION

1.1   INTRODUCTION :-

This system is favourable for disabled people as well as old people as it allows movement of a robotic vehicle on the basis of hand gesture. The person just has to move his hand in order to move the robotic vehicle or wheelchair in forward, backward, left or right direction. So the user does not have to press any buttons. The overall system includes two circuits connected in through the wireless module. A receiver circuit is designed which will be mounted on a top of a glove which the user has to wear on the hand. The circuit on the vehicle includes RF receiver, 8051 microcontroller and Driver IC to operate the dc motors. The receiver circuit that is on the top of a glove includes AT89c51 microcontroller interfaced to the accelerometer. The commands that are detected by the encoder IC is encoded and sent to the RF transmitter which then forwards the commands to the RF receiver. The RF receiver then sends the commands to 8051 microcontroller which processes the commands in a way that the vehicle moves in the particular direction.

1.1 AIM & OBJECTIVE OF PROJECT :-

Aim :-

The purpose of this project is very benifical for disabled people as it allows movment of robotic vehicle on the basis of hand movement.

Objective :-

Our objective is to make the device which is simple as well as cheap so that it can be helpful for number of different application. In most of the robotic gadget controlling application it is very difficult and complicated when the part of controlling it with remote or different buttons. Hence the main goal of our project is to control the robot movement very smoothly and easily  with the help of hand gesture using accelerometer.

1.3 Brief Literature Review and Prior Art Search :-

In order to study Accelerometer based Robot Motion and Speed Control in detail we have first referred micro-controller book  'Mazidi' for the programming which essential part of our project. We have studied different  transmitter and receiver Ic's from the Wikipedia and selected one among them.  Then by referring various websites, online material and books we are able to study how wireless communication takes place and how we can implement it in our project. From the youtube videos we have got the idea about how we can make our project in the form of the model.

1.4 Materials / Tools required

 Table 1 :-

 Component List :-

SR NO. COMPONENTS QUANTITY

1 CONTROLLER 1

2 RF MODULE 1

3 ENCODER(ht12e),

DECODER(ht12d) AND

COMPARATOR(LM324) 1

4 DC MOTOR 2

5 MOTOR DRIVER(L293D) 1

6 ACCELEROMETER 1

7 BATTERY 12V 1

The transmitter part consist of following components :-

' ACCELEROMETER

' COMPARATOR

' ENCODER

' TRANSMITTER

The transmitter part consist of following components:-

' RECEIVER

' DECODER

' MICRO-CONTROLLER

' MOTOR DRIVER IC

' DC MOTOR

       

1.4.1  MICRO-CONTROLLER :-

Micro-controller is the most important part of the robot. A 8051 family microcontroller is used in the circuit to give a decision capacity. Microcontroller gets different analogue values and generates command signals to control the robot.

PIN DIAGRAM :-

                                                             Fig.1.1  AT89C51

                     

1.4.2  ACCELEROMETER(ADXL335) :-

Accelerometer is an electomechanical device that measure acceleration forces. This force may be static or dynamic caused by moving the accelerometer. It is a sensor which recoed acceleration and gives analog data when moving in X,Y,Z directions.

PIN DIAGRAM :-

                                               

                                                    Fig.1.2 ADXL355

TABLE :-2

PIN DESCRIPTION OF ADXL335

PIN NO. FUNCTION OF EACH PIN

1 :- ST Set the sensitivity of accelerometer

2 :- Z Record data for Z direction

3 :- Y Record data for Y direction

4 :- X Record data for X direction

5 :- GND Connected to ground

6 :- Vcc +1.8v to  3.6v is applied

TABLE :-3

FOR THIS PROJECT FUNCTION OF ADXL335

DIRECTION ACCELEROMETER ORIENTATION

Stop ----------------------------------------

Forward +Y

Backward -Y

Right +X

Left -X

1.4.3 RF MODULE:-

This RF Module consist of RF transmitter and RF receiver. The transmitter and receiver operates at  frequency of 433 MHz. The RF transmitter receives serial data and transmits it wireless through RF through antenna connected at pin number 4. The transmitted data 0is received by an RF receiver operating at the same frequency as that of the transmitter. Figure show the RF transmitter and RF receiver.

                                                         Fig.1.3  RF MODULE

TABLE :-4

PIN DESCREPTION  OF RF TRANSMITTER  

PIN NO. & NAME FUNCTION OF EACH PIN

1 :- ANT Connect wire that work as antenna

2 :- DATA Input from encoder for Data transmission

3 :- Vcc Supply voltage 5v

4 :- GND                                      Ground

PIN DESCREPTION  OF RF RECEIVER  

PIN NO. & NAME FUNCTION OF EACH PIN

1 :- Vcc Supply voltage 5v

2 :- GND Ground

3 :- DATA Output to decoder for Data transmission

4 :- ANT Connect wire that work as antenna

1.4.4  ENCODER IC(HT12E) :-

HT12E is an encoder ic of 212 series of encoders. HT12E Ic paired with 212 series of decoders for use in remote control system or in interfacing RF applications. It converts the parallel inputs into serial output. It encodes the 12 bit parallel data into serial for transmission through an RF transmitter. These 12 bits are divided into 8 address bits and 4 data bits.

PIN DIAGRAM :-

                                                                Fig.1.4  HT12E

TABLE :-5

                                          

PIN DESCRIPTION OF HT12E

PIN NO. & NAME FUNCTION OF EACH PIN

1 :- A0

2 :- A1

3 :- A2

4 :- A3 .8 bit address for input

5 :- A4

6 :- A5

7 :- A6

8 :- A7

9 :- GROUND Ground

10 :- AD0

11 :- AD1

12 :- AD2 4 bit data for input

13 :- AD3

14 :- TE Transmission enable ; active low

15 :- OSC2 Oscillator input

16 :- OSC1

17 :- OUTPUT Serial data input

18 :- Vcc 2.4V to 12V supply voltage

1.4.5  DECODER IC(HT12D) :-

HT12D is a decoder Ic of 212 series of decoders. This types of decoders are mainly used for remote control system applications such as burglar alarm, car door controller, security system etc or in interface RF applications. They are paired with 212 series of encoders. The  pair of encoder and decoder  have same number of addresses and data format. It is capable for decoding 12 bits, in which 8 bits are address bits and 4 are data bits.

PIN DIAGRAM :-

                                                                 FIG. 1.5 HT12D

TABLE :-6

PIN DESCRIPTION OF HT12D

PIN NO. & NAME FUNCTION OF EACH PIN

1 :- A0

2 :- A1

3 :- A2

4 :- A3 8 bit address for input

5 :- A4

6 :- A5

7 :- A6

8 :- A7

9 :- GROUND Ground

10 :- D0

11 :- D1

12 :- D2 4 bit data for input

13 :- D3

14 :- INPUT Serial data input

15 :- OSC2 Oscillator output

16 :- OSC1 Oscillator input

17 :- VT Valid Transmissio ; active high

18 :- Vcc 2.4V to 12V supply voltage

1.4.6  MOTOR DRIVER(L293D) :-

L293D is a dual H-bridge motor driver IC. Motor drivers act as current amplifiers since they take a low-current control signal and provide a higher-current signal. This higher current signal is used to drive the motors. It contains two inbuilt H-bridge driver circuits. In it that, two DC motors can be driven simultaneously  both in forward and reverse direction. The motor operations is shown in below table :-

TABLE :- 7

A B MOTOR RUN MODE

0 0 STOP

0 1 CLOCKWISE

1 0 ANTICLOCKWISE

1 1 STOP

PIN DIAGRAM :-

                                                              FIG. 1.6 L293D

TABLE :-8

PIN DESCREPTION OF L293D

PIN NO. & NAME FUNCTION OF EACH PIN

1 :- Enable 1,2 Enable pin for Motor 1; active high

2 :- Input 1 Input 1 for Motor 1

3 :- Output 1 Output 1 for Motor 1

4 :- Ground Ground

5 :- Ground Ground

6 :- Output 2 Output 2 for Motor 1

7 :-  Input 2 Input 2 for Motor 1

8 :- Vcc 2 Supply voltage for Motors :- 9-12V

9 :- Enable 3,4 Enable pin for Motor 2; active high

10 :-Input 3 Input 1 for Motor 1

11 :- Output 3 Output 1 for Motor 1

12 :- Ground Ground

13 :-Ground Ground

14 :- Output 4 Output 2 for Motor 1

15 :- Input 4 Input 2 for Motor 1

16 :- Vcc1 Supply voltage :- 5-36V

1.4.7  COMPARATOR(LM324) :-

LM324 is a 14-pin IC consist of four operational amplifier placed on a single chip. Op-amps are high gain electronic voltage amplifier with differential input and single ended output. The output voltage is higher than the voltage difference between input terminals of an op-amp. These op-amps are operated by a single power supply LM324 due to that there is no need of dual supply. LM324 can be used as amplifiers, comparators, oscillators, rectifiers etc.

PIN DIAGRAM :-

                                                               FIG. 1.7 LM324

TABLE :-9

PIN DESCREPTION OF LM324

PIN NO. & NAME FUNCTION OF EACH PIN

1 :- OUTPUT 1+ Output of 1st comparator

2 :- INPUT 1- Inverting input of 1st comparator

3 :- INPUT 1+ Non-inverting input of 1st comparator

4 :- Vcc Supply voltage 5V to 32V

5 :- INPUT 2+ Non-inverting input of 2nd comparator

6 :- INPUT 2- Inverting input of 2nd comparator

7 :- OUTPUT 2 Output of 2nd comparator

8 :- OUTPUT 3 Output of 3rd comparator

9 :- INPUT 3- Inverting input of 3rd comparator

10 :- INPUT 3+ Non-inverting input of 3rd comparator

11 :- GROUND Ground

12 :- INPUT 4+ Non-inverting input of 4th comparator

13 :- INPUT 4- Inverting input of 4th comparator

14 :- OUTPUT 4 Output of 4th comparator

1.4.8  DC MOTOR :-

' It is a low cost DC motor suitable for most robotic and general applications. It has a output shaft with a hole for easy mounting of wheels or pulleys.

' 50-100 rpm DC motors

' Input Voltage: 6-12 V

' Stall Current: 500 - 600 mA

' Shaft length: 2.4 cm

DIAGRAM :-

                                                               FIG. 1.8 DC MOTOR

1.5  PLAN OF WORK :-

We have designed PERT chart with purpose for scheduling of our project.

CHAPTER 2

Design: Analysis, Design Methodology and Implementation Strategy

2.1 AEIOU Summary Canvas :-

Fig. 2.1  AEIOU summary Canvas

This canvas is basically an observation canvas. Observation of  the activities, environment, Interactions, objects and users are specified in this canvas.

OBSERVATION CANVAS

The observation matrix is also called as AEIOU in which each letter has its own significance where each latter stands for,

A: Activity

E: Environment

 I: Interaction

O: Object

U: User

All this AEIOU are the exploring tools which help one to explicate observations gathered by ethnographic practices.

On the basis of our project Accelerometer Based Robot motion and Speed control the observation matrix is discussed as follows:

1. Activities:  

Activities are basically processes done to achieve particular goal or target. We have taken the old people or hospital patients as a major user and stated the activities performed by the them which are as controlling the wheelchair through hand motion and also maintaining the speed of the robotic vehicle they are using for the movement.

2. Environment:

Environments is generally a place where the above activities take place. What is the character and function of the space overall, of each individual's spaces, and of shared spaces? The surrounding in which our project will function for the maximum period is described in the environment section of the AEIOU canvas. The places are Industries, Hospitals, old age home etc. The environment of this places should be peaceful, attentive, and silent.

3. Interactions:

It is between a person and someone or something else; they are the building blocks of activities. For example our canvas includes patient, security, industrialist, old people, engineers, accountant, doctor etc. in our domain site the interactions between these listed people are done like patient is interacting with patient, patient is interacting with doctor, old people interacting with each other.

4. Objects

Objects are basically devices which are available and which are related to our project domain when the observation is taken. In our canvas the objects are wheelchairs, camera, pcb board on which the circuit is implemented etc.

5. User

Users are the people whose behaviours, preferences, and needs are being observed and from where the project idea is taken. In this canvas users include patients, old people, technicians,  common people etc.

2.2 Empathy Mapping Canvas :-

Fig. 2.2 Empathy mapping canvas

Introduction to the project :-

This canvas is design for a domain of our project. It includes user, stakeholder, activities, story boarding.

Empathy Mapping canvas :-

There are four parts of this canvas which are stated below.

1. User

 2. Stakeholder

3. Activities

4. Story Boarding

User:-

Users are the people who are supposed to use our project. Users of our project are hospital patients, old people, technicians, engineers, common people etc.

Stakeholder: -

Stakeholders are people who are related to the user.

Activities:-

Activities are the the various processes done by the user and stake-holders.

Story Boarding:-

 Story boarding includes the emotional attachments of the users like happy and sad stories which are mentioned in above canvas.

2.3 Ideation Canvas :-

Fig 2.3 Ideation canvas

Ideation canvas gives the information about who are the people that can use our project, activities of that people, situations or places at where our domain can be used and equipment or props with which people or user can connect or can use our project.  

Ideation canvas divided into four parts:-

1] People

2] Activities

3] Situation/ Location

4] Props/ Equipment

1] People:

  Technicians, patient, visitors, engineer and doctor are the people in our domain environment as they are the one going to use or work.

2] Activities:

 Activities are done by the people listed above. for example engineer calibrating the instrument which is the activity carried out by the people as mentioned before. Doctors are consulting the patient about their disease.

3. Situation/ context/ location:

 This includes the activities done by the people in which situation or location is done. For example in our canvas doctor works in the hospital, there are ICU's, wards where patients are admitted etc.   

4. Props/ tools/ objects/ equipment:

 It includes the tools or equipment required by the people doing the activities in the particular context. For example transmitter can be used to transmit signals through which  the robot or wheel chair can be controlled.

2.4 Product Development Canvas :-

Fig 2.4 Product Development Canvas

Introduction to Project :-

A Product Development canvas is the ground where in the best possible ideas after the Ideation session are chosen and developed. The basic purpose, functions, components etc. are included in it.

Product Development :-

1. People  

2. Purpose  

3. Product Experience  

4. Product Functions  

5. Product Features  

6. Components  

7. Customer Revalidation  

8. Retain/Redesign/Rejection

People:-

 A Segment of people from the previous canvas on which we can focus.

Purpose:-

The main purpose of the product is described above canvas.

Product Experience:-

The feeling of the user to everything our solution comes in this. all the emotional experience we want user to have come under this.

Product Features:-

Everything our solution does is a feature.

Product Functions:-

The functions used to have multiple features are listed here.

Components:-

The components used to complete the functionality and get he features in the solution are listed here.

Customer Revalidation:-

 To Get Customers Feedback About Feature, Function And Whether It Solves The Purpose.

Retain/Redesign/Rejection:-

It satisfies the solution to the problems to the customer revalidation.

CHAPTER-3

IMPLEMENTATION

3.1 Design of Block diagram :-

The accelerometer based robot motion and speed control system is divided into different parts/modules that when integrated produces the final product.hence this diagram discusses the hardware module about transmitter side and receiver side of robot motion.

BLOCK DIAGRAM :-

TRANSMITTER PART

              

Fig. 3.1 Transmitter Part

    

REVEIVER PART

 Fig. 3.2  Receiver Part

3.2  Simulation :-

First we simulated receiver part in proteus software, Proteus obtain is a long demonstrated product and combines ease of use with powerful editing tools.The circuit is shown in fig.

Fig. 3.3 Simulation

3.3  COMPONENTS SPECIFICATIONS :-

1. Accelerometer  ADLX335

2. 433 Mhz RF Module

3. Encoder ht12e

4. Decoder ht12d

5. Motor Driver(L293D)

6. Comparator(LM324)

7. 100 rpm DC motors

8. Battery 12v

9. Resistor

TABLE :- 9

  Specifications of various components

Sr. no. Component Specification

1 Accelerometer  ADLX335 3-axis sensing Small

Low power:350 ua(typical)

Single supply operation:1.8v to 3.6v

10,000 g shock survival

Excellent temperature stability

2 433 Mhz RF moduel Supply: 2.9V to 16V

Data rates up to 64kbps

Rx  Receiver Sensitivity: -101dBm for 1ppm BER (64kbps) -104dBm for 1ppm BER (10kbps)

3 Encoder ht12e Operating voltage:2.4V ' 12V

Low power and High noise immunity CMOS technology

Low standby current: 0.1A (typ.)

8 address bits and 4 data bits

4 Decoder ht12d Operating voltage:2.4V ' 12V

Low power and High noise immunity CMOS technology

Low standby current: 0.1A (typ.)

8 address bits and 4 data bits

5 Voltage Output Current up to 1A

Thermal Overload Protection

Short Circuit Protection

3.4  Hardware implementation :-

Fig. 3.4 Hardware

                 In this project person uses accelerometer implemented on hand gloves to control the robot in the various direction like forward, reverse, left or right directions. In hardware implementation we are using transmitter and receiver to transmit and receive the signals to operate the robot in particular direction from the hand movements. Accelerometer measures the acceleration of the hand movements and gives analog output to the comparator Ic LM324 which compares the voltage with the zero reference voltage and gives appropriate output. The output of the comparator feds to the encoder ht12e which encodes the signal and fed to the transmitter. The signal coming to the transmitter is further transmitted by the transmitter.

                Transmitted signal is received by the receiver in the receiver circuit. The received signal is decoded by the decoder ht12d and gives digital output to the micro-controller. The micro-controller is most essential part of the robot. A 8051 family microcontroller is used in the circuit to give a decision capacity. Microcontroller gets different digital values and generates command signals to control the robot. The output of the micro-controller is given to the motor driver LN293D which controls the dc motor in the proper direction.

Chapter 4

Summary

4.1 Summary of the results :-

It is always a contest for engineers or scientists to make life of the people live on the earth easy, luxurious and simple. We have tried to accent on those goals and that's why we built a wireless hand gesture control robot whose speed can also be controllable. Nowadays we used PC or remote to control the robot car but controlling it via hand gesture makes it more reliable and helpful for one Also our main target was to decrease the cost so we were more conscious about choosing the components. Although we tried to make it less expensive but we did not compromise on the quality. We tried to make it more reliable and simple.

The biggest advantage of our project is that it is very easy to control and the speed can also be controlled. Till now it was limitation of this type of robot that it was unable to control the speed of this type of robot. We will try to make it possible that by hand gesture it can also be possible to run the robot at particular speed as we want. The main problem of this system is that in order to collect the raw data from the hand gesture or from hand movement the transmitting glove must be worn by the user. Also when one trying to control a robot with the hand gesture even the mistaken hand gesture could result a wrong movement of the robot. It is also quite expensive compare to remote control system. Putting those gloves to control robot is time consuming also limit ones range of motion. Also human hand size and shape vary from human to human thats why angle movement for specific direction can also vary.

4.2 Advantages :-

Wireless hand gesture technology is very important in the future technology. As we are using wireless technology, the reliability and efficiency as well as range can be increased. Wireless devices use less power so the energy can also be used. Robotic arms which will be the most used product in the future can also be operated with the hand gestures. People, device and computing are going to combine more than ever before to ameliorate the performance of our daily used devices. Wheel chair based on hand gesture technology also is very beneficial project to help the paralyzed people. Also many home appliances including TV, Computer etc. can be controlled with the help of hand gestures. Gesture glove is improving rapidly and in future we can hope to have more accurate, flexible and less expensive gesture glove where it will be able to control more devices related to our daily life.

We are also going to control the speed of the robot which can also be useful because through the speed control we can also give a useful concept to the automobile industry because hand gesture controlled car can also be made through our project. By controlling the speed any disabled person can use wheel chair for any type of road weather it is slop or uneven path.

4.3 Future Scope :-

1] There are lots of opportunities to make many important projects based on our project. We can add spy camera with our robot which can be used in war field robots. Additionally, We can add a video which will transmit the footage wirelessly in our monitor.

2] A robotic arm can be added in the system and which also can be operated with the help of hand gesture. A robotic arm can be used for picking and placing application using our project.

3] Hand gesture control wheel chair can be made by following the same mechanism as our project with a bigger and high torque motor. This wireless gesture control system can also be helpful for controlling our home appliances.

4] Hand gesture controlled car can also be made by using this idea.

4.4 Benchmarking of our project :-

1] We are using wireless module that can be controlled (used) in long range. Wireless modules uses less power and more efficient.

2] We are going to control the speed of the hand gesture controlled robot.

3] The cost of our product is not going to be as high as the products available in the market. So the product is going to be more cheaper.

References :-

1-http://circuitdigest.com

2-http://ijsetr.org

3-http://www.slideshare.net

4-http://www.instructables.com

5-http://www.8051projects.net

6-http://engineersgarage.com

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