NIYANTRA Documents
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Contact Information
Name of the College : Government Engineering College, Gandhinagar
Name of the Team Members along with their respective current semester : Pratik Thar (8 Sem), Prija Nair (8 Sem), Varun Badheka (8 Sem)
E-Mail Address & Phone Number of the Team Leader : pratikbhaviyash@gmail.com, 9033101996
Name of the Faculty Guide : Prof. J B Vyas
E-Mail Address & Phone Number of the Faculty Guide : vyasjignesh74@yahoo.com, 9429437542
Project Information
Project Title: Wheelchair Movement With Location Tracker
Hardware & Software Used:
1) Acclerometer ADXL326
2) MSP430 F5419a RISC 16-Bit Microcontroller
3) A-1035H Position Module
4) RF Module
5) NI Multisim
6) NI LabVIEW
7) ORCAD
What challenge/problem are you trying to solve through your application:
Physically disabled persons find their movements very tough with the existing assistive devices. Though there are many robotics available in recent times to enable their motility they require fine and accurate control which is most of the times not possible in cases of higher disability. The technology today gives more and more possibilities for all humans, but technical advanced products often are not user friendly. Unfortunately not all products are easy to use or fit to use for persons with a certain disability. The healthcare industry has made several efforts for improved control of electric powered wheelchairs (EPWs) to provide enhanced comfort, safety and maneuverability at a lower cost. Also there is a need of continuously tracking the subject on wheelchair to check the location.
How does your application solves the above mentioned challenge/problem:
The aim of this project is to control a wheel chair and electrical devices by using MEMS ACCELEROMETER SENSOR (Micro Electro-Mechanical Systems) technology. This accelerometer sensor finds the tilt and makes use of the microcontroller to change the direction of the wheel chair depending on tilt. Wheel chair movement can be controlled in Forward, Reverse, and Left and Right direction. This device is portable and this system operation is entirely driven by wireless technology. User can wear it to his wrist like a watch and can operate it by tilting the MEMS accelerometer sensor. This project makes use of a microcontroller, which is programmed, with the help of embedded C codes. This microcontroller is capable of communicating with transmitter and receiver modules. The MEMS ACCELEROMETER SENSOR detects the tilt and provides the information to the microcontroller (on board computer) and the controller judges whether the instruction is for right movement or left movement and controls the direction respectively. The controller is interfaced with two dc motors to control the direction of the wheel chair.
Description of Project:
First step of implementation of our idea will be simple prototype of the wheel chair by connecting the wheels with a motor driver circuit including LM293D Motor Driver IC. Microcontroller MSP430F5438a will be the heart of the driving mechanism. IAR workbench is used to feed program into microcontroller. The data from the accelerometers will be communicated to microcontroller using microcontroller’s UART configurations. The GPS system mounted on the wheelchair will give the coordinates of the location of the wheelchair and so we can keep tracking the wheelchair’s location.
NI Multisim is used to simulate and test the circuits for this project. NI LabVIEW and NI-VISA will be used to design front-panel for the end user to configure the sensor calibration. The location of the wheel chair which will be tracked by the GPS system will be shown on a LabVIEW front panel.
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