Idea Transcript
WWW.IJITECH.ORG
ISSN 2321-8665 Vol.05,Issue.04, April-2017, Pages:0678-0680
Implementation of Voice Controlled Wheelchair System Using Bluetooth Application B. NAGARJUNA1, SK. FIROJ2, S. GOPI3, A. RAJESH KUMAR4, SK. ABDUL MUNAF5, D. THIRUPATHI REDDY6 1
B.Tech Scholar, Dept of ECE, Mekapati Rajamohan Reddy Institute of Technology and Science, Udayagiri, AP, India. B.Tech Scholar, Dept of ECE, Mekapati Rajamohan Reddy Institute of Technology and Science, Udayagiri, AP, India. 3 B.Tech Scholar, Dept of ECE, Mekapati Rajamohan Reddy Institute of Technology and Science, Udayagiri, AP, India. 4 B.Tech Scholar, Dept of ECE, Mekapati Rajamohan Reddy Institute of Technology and Science, Udayagiri, AP, India. 5 B.Tech Scholar, Dept of ECE, Mekapati Rajamohan Reddy Institute of Technology and Science, Udayagiri, AP, India. 6 Assistant Professor, Dept of ECE, Mekapati Rajamohan Reddy Institute of Technology and Science, Udayagiri, AP, India. 2
Abstract: This paper proposes a framework where the human voice is a fundamental source to control gadgets. With the assistance of an android cell phone application, human voice summons are perceived and these orders are then prepared to accomplish the relating control of any genuine gadget. This framework is a model of a voice controlled wheelchair-where voice orders can be successfully used to control the development of a wheelchair. By the straightforward utilization of a productive control framework using the Arduino microcontroller board, the HC-05 Bluetooth module and a simple UI based android cell phone voice application, the control of the robot is accomplished. Comes about demonstrate that it is for sure conceivable to proficiently control and mechanize certifiable exercises with just voice (human voice) as a control component. Keywords: Voice Command, Bluetooth, Android Interface, Arduino. I. INTRODUCTION A review expected to gather data from patients concerning the helpfulness of new electric wheelchairs presumed that 9 to 10% of patients who utilize control wheel seats and who got suitable preparing "discover it to a great degree troublesome or difficult to utilize the wheelchair for exercises of day by day living." Independent versatility increments professional and instructive open doors, decreases reliance on parental figures and relatives and advances sentiments of independence. It is an imperative part of self-regard that assumes an essential part in maturing set up. While the requirements of numerous people with handicaps can be happy with customary manual or power wheelchairs, a section of the crippled group thinks that its troublesome or difficult to utilize wheelchairs freely. This populace incorporates people with low vision, visual field decrease, spasticity, tremors or intellectual deficiencies. Using voice actuated innovation for controlling the movement of the wheelchair would incredibly just the ordinary undertaking for the many individuals with incapacities who don't have the smoothness important to control a joystick on an electric wheelchair. A portion of the pointed reasons are challenges in controlling the wheelchair with a joystick, awkward and wrong interface for the handicap (since clients with extreme engine weaknesses can't work the joystick easily). For elderly patients,
joint pain is one of the significant explanations behind wheelchair utilize. The rehashed utilization of joysticks and consistent wrist developments can be extremely agonizing for a joint patient, and may bring about fortified troubles. For the alluded gatherings of clients, a voice based interface is exceedingly promising on the grounds that it speaks to a characteristic and straightforward method for controlling the gadget. For different sorts of handicaps diverse sorts of interfacing gadgets can be utilized. The appearance of cell phone applications has immensely affected the route in which machines can be computerized. By building a basic UI cell phone application, the wheelchair can be controlled. The cell phone application perceives human voice, decodes the summons being said and changes over them to content. The content is then sent to the principle framework that controls the gadget with the assistance of Bluetooth innovation. Bluetooth is utilized here as it is a dependable methods for correspondence and can be utilized for a scope of around 100m which suffices the framework determinations for this situation of voice controlled robot. With the assistance of the Arduino Uno ATMega 328P microcontroller board, the comparing control system of the robot is completed. This paper displays a survey of the actualized model of a voice controlled wheelchair system by the methods for a four wheeled robot using the android application known as „BT voice control for Arduino‟. II. METHODOLOGY The present power wheelchair control interfaces are as yet insufficient to give really free portability to generous number of individuals with inabilities. A physically tested individual with locomotive disabilities needs a wheelchair to move around and he does as such physically by pushing the wheelchair with his hands. Therefore an answer that can be gotten from this is to present a voice control interface that would empower the clients to associate with the controller with simply the assistance of voice charges. The voice control interface helps in achieving a sans hands control that can be executed on any sort of wheel seat and can likewise be utilized by the individuals who can't screen utilizing the joysticks. This sort of framework can be actualized
Copyright @ 2017 IJIT. All rights reserved.
SHADRACK FRED MAHENGE, DR. K DELHIBABU in a few different frameworks as well. Since the mechanized CMOS innovation and with AFH(Adaptive Frequency Hopping wheelchair can move at a reasonable speed it is imperative that it Feature). It has the impression as little as 12.7mmx27mm. This have the capacity to evade deterrents consequently straightforward Bluetooth module design effectively streamlines progressively. The Voice controlled robot, a model to exhibit the the framework. The simple to interface module can be associated voice control component that can be executed for a wheelchair, effortlessly to the Arduino Uno board by means of the Tx and is controlled with the assistance of voice initiated - Arduino Uno Rx Serial pins accessible on the board. The module can be microcontroller board. This framework uses an Arduino Uno, a associated with an android cell phone by the methods for the cell Bluetooth module-HC05 and a cell phone to control the engines phone application-„BT voice control for arduino‟. driving the robot. The summons for the robot are sent by means of Android‟s discourse acknowledgment application made C. Adafruit Motor Shield utilizing the MIT Inventor programming. These voice summons Since the DC current of the Arduino Digital I/O pins is are sent through the application by means of Bluetooth as a observed to be around 40mA, the current isn‟t adequate to drive string of information to the Arduino. The microcontroller then all the DC engines straightforwardly. By utilizing the Adafruit procedures these information strings and correspondingly Motor Shield comprising of 3 L293D ICs which are engine controls the engines of the robot. The order is shown on the drivers, upwards of 4 DC engines, 2 servo engines and 2 stepper application and in addition the com port interfacing the Arduino engine can be productively controlled by the Arduino. The pins module in the IDE. The primary segments of the control of the engine shield can be specifically put on the Arduino Uno board as a stack. An outside power supply of 12 V is given to the arrangement of the given robot are given as takes after. engine shield to controlling every one of the engines associated A. Arduino Uno ATMega328P with the shield. The Arduino Uno is a microcontroller board in view of the ATmega328P. It has 14 computerized input/yield pins (of which D. DC Motors 6 can be utilized as PWM yields), 6 simple data sources, a 16 The robot used two DC engines that drive the two wheels at MHz precious stone oscillator, a USB association, a power jack, the front while the two wheels at the back take after the ones at an ICSP header, and a reset catch. The Uno contrasts from every the front. As per the summon voiced out to the application, the single going before board in that it doesn't utilize the FTDI USBBluetooth module interprets it, changes over it to content and to-serial driver chip. Rather, it highlights the Atmega8U2 sends it to the Arduino board. The microcontroller then customized as a USB-to-serial converter. The Arduino Uno has procedures the summon and correspondingly, passes a flag to the in fabricated ADC parts and can handle both simple and engine shield for the correct engine to move. The electric flag advanced signs. The Atmega328 has 32 KB of glimmer memory that is sent to the engine is changed over to mechanical vitality for putting away code (of which 0.5 KB is utilized for the that subsequently, pivots the pole of the engine. The wheel bootloader). It has additionally 2 KB of SRAM and 1 KB of appended to the pole of the engine then turns, creating a straight EEPROM. The Arduino Uno has a working voltage of 5V; a forward or in reverse movement of the robot. Two 30 rpm equip suggested contribution of 7V-12V can be connected to it. In any engines were utilized as a part of this framework that is fueled case, the Arduino Uno does not have an ebb and flow driving by an aggregate of 12V provided to the engine shield. ability to drive all the DC engines connected to it-along these lines requiring a middle of the road engine driver circuit. Each of III. BLOCK DIAGRAM the 14 computerized sticks on the Uno can be utilized as an information or yield, utilizing pinMode(), digitalWrite(), and digitalRead() capacities. Each stick can give or get a most extreme of 40 mA and has an inward draw up resistor (disengaged as a matter of course) of 20-50 kOhms. The Bluetooth interface to the Arduino is accomplished with the assistance of the Serial in-out pins of the Arduino specifically: Serial: 0 (RX) and 1 (TX). Used to get (RX) and transmit (TX) TTL serial information. These pins are associated with the comparing pins of the ATmega8U2 USB-to-TTL Serial chip. The Arduino Uno is customized utilizing the Arduino IDE programming utilizing an arrangement of C/C++ capacities. B. Bluetooth Module HC05 HC-05 module is a simple to utilize Bluetooth SPP (Serial Port Protocol) module, intended for straightforward remote serial association setup. Bluetooth correspondence is a compelling innovation as the scope of Bluetooth is observed to be 100m. Serial port Bluetooth module is completely qualified Bluetooth V2.0+EDR (Enhanced Data Rate) 3Mbps Modulation with finish 2.4GHz radio handset and baseband. It utilizes CSR Bluecore 04-External single chip Bluetooth framework with
Fig 1. Block Diagram
The essential piece outline of the basic voice controlled robot is given underneath. It comprises of the cell phone that perceives the voice orders and are by and large remotely exchanged to the Bluetooth module HC05. The module then changes over the charge to content and the series of characters are sent to the Arduino for further preparing. The Arduino microcontroller International Journal of Innovative Technologies Volume.05, Issue No.04, April-2017, Pages: 0678-0680
Implementation of Voice Controlled Wheelchair System Using Bluetooth Application translates the string acquired and correspondingly performs V.RESULT AND DISCUSSION additionally works. The signs are sent to the engine shield that The voice controlled robot was actualized and utilizing the consequently powers and drives the engines associated with it. correct calculation, the robot capacity of the robot completely controlled by the voice summons what we are providing for Bluetooth versatile application. The robot could push ahead, in reverse, right, left and stop when started with the particular charge. VI. CONCLUSION The model uncovered the straightforwardness of a voice controlled framework, for example, the wheelchair. It delineates how control component can be acquired without using whatever other control instrument, for example, catches or joystick. By enhancing the voice gathering and inciting further summons, the gadgets can be computerized minus all potential limitations.
Fig 2. Screenshots of the BT Voice Control App. IV. IMPLEMENTATION The robot is intended to be controlled by the methods for voice charges. It requires a cell phone to actualize voice control. This framework utilizes the android application in the cell phone to perceive verbal guidelines as opposed to utilizing a discourse acknowledgment module. It utilizes google discourse to content to perceive and prepare human voice. This prepared content is sent to the microcontroller through Bluetooth.
VII. FUTURE SCOPE The programmed voice control robot uses a straightforward voice application that perceives voice summons. The application could be additionally created utilizing foundation clamor taking out apparatuses to catch just the order and consequently making the framework more proficient. There is additionally a boundless research experiencing in the flood of sensors utilized as a part of cell phones that take out commotion and recognize just the required discourse signals. Utilizing such propelled flag handling systems, the wheelchair instrument can be productively created and executed. VIII. REFERENCES [1]. Mohammad Asgar, Mirz, Badra, Khan Irshad ,Shaikh AftabAutomated Innovative wheelchair [2]. XiaolingLvMinglu Zhang, Hui Li, “Robot Control Based on Voice Command”, International Conference on Automation and Logistics, 2490-2494, 2008. [3]. Yaakov Stein, “Recent Advances in Speech Recognition”, Electrical and Electronics Engineers in Israel, 1995. [4]. F.A.Himmelstoss, O.Amtmann, “DC motor drive with high torque at low speeds”, EUROCON International Conference on Computer as a Tool, 20 [5]. Android Developers Guide. Android Architecture. 2013. :http://.android.com/about/versions/index.html. [6]. Heidi Monson (1999) Bluetooth technology and implementations, John Wiley & Sons.
Fig 3. The Robot. The microcontroller additionally forms the orders to control the robot as needs be. The technique to work the voice controlled bot is as per the following: 1. Download and introduce the application „BT Voice Control for Arduino‟ on the cell phone. 2. The application consequently switches on Bluetooth when opened. Guaranteeing that the robot is exchanged on, select „Connect Robot‟ from the menu alternatives and select the „HC-05‟ to set up blending. (The default secret key for blending is either 0000 or 1234) 3. Once effectively matched, tap on the amplifier image to issue the verbal orders. 4. The summons acknowledged by the robot are „Forward‟, ‟Backward", "Left‟, "Right" and "Stop‟. International Journal of Innovative Technologies Volume.05, Issue No.04, April-2017, Pages: 0678-0680