International Research Journal of Engineering and Technology (IRJET)
e-ISSN: 2395-0056
Volume: 11 Issue: 04 | Apr 2024
p-ISSN: 2395-0072
www.irjet.net
COMMUNICATION AID FOR SPEECH IMPAIRED PEOPLE USING FLEX SENSOR TECHNOLOGY Abhijit Arjun G1, G Balamuruga Mohanraj2, Cyril C3, Roopashree A4, Varadaraj H5 1Abhijit Arjun G, Department of Mechatronics Engineering,
Sri Manakula Vinayagar Engineering College, Madagadipet, Puducherry, India 2G Balamuruga Mohanraj, Professor and Head, Department of Mechatronics Engineering,
Sri Manakula Vinayagar Engineering College, Madagadipet, Puducherry, India 3Cyril C, Department of Mechatronics Engineering, Sri Manakula Vinayagar Engineering College, Madagadipet, Puducherry, India 4Roopashree A, Department of Mechatronics Engineering, Sri Manakula Vinayagar Engineering College, Madagadipet, Puducherry, India 5Varadaraj H, Department of Mechatronics Engineering, Sri Manakula Vinayagar Engineering College, Madagadipet, Puducherry, India ---------------------------------------------------------------------***--------------------------------------------------------------------the flex sensor, the circuit is divided to find a parallel Abstract - This project aims to develop a communication aid
terminal to measure the voltage. That can be used to compute the resistance across the sensor. And the measured values are mapped to their similar angle values to obtain the degrees of deflection.
system tailored to the diverse needs of individuals with disabilities, fostering inclusivity and independence in their daily lives. People with disabilities often face challenges in expressing themselves, hindering their ability to communicate their feelings effectively. Flex sensor-based gesture recognition involves using flex sensors, which are resistive devices that change their resistance based on the degree of bending. These sensors are commonly used to detect and measure the bending of fingers to derive the degree of the bend of a finger and produce a pattern to recognize and provide the required message.
In this project, we aim to help the speech impaired people to communicate and express their feelings, thoughts and opinions freely like other humans, that can be understood by the other humans as well. The degrees of deflection of the flex sensors can be used to form a pattern, representing a sign language pattern. Various patterns are trained to understand the signs used by the speech impaired person and provide accurate feedback. So, they can be used not only on international sign language, on local sign language as well. This will improve the compatibility of the wearer with the algorithm, so better understanding of the patterns can be achieved and accurate outputs are provided.
Key Words: Flex Sensor, Degree, Resistance, Gestures, Pattern, Message.
1.INTRODUCTION This project aims to integrate the functionality of the flex sensor to help the people who cannot speak. This project aims to overcome their disability to speak and help them lead a normal life. So, they can convey their feelings without any difficulty.
Machine Learning algorithms are employed to increase the effectiveness of the algorithm. Several patterns are recognized and they are studied to find the most matching pattern which is similar to the predefined patterns. The accuracy can be improved by providing multiple inputs to train the algorithm.
A Flex sensor is a sensor which is used to measure the amount of deflection or bending. The resistance of the flex sensor increases with the amount of deflection. The carbon surface is arranged on a plastic strip, as this strip is bent then the sensor’s resistance will be changed. The distance between the conductive materials are widened so that the resistance has increased due to the unavailability of conductive particles. Its varying resistance is directly proportional to the deflection on the sensor. This sensor works on the bending strip principle meaning whenever the strip is bent then its resistance will be changed. This can be measured with the help of any controller. The Voltage Divider rule can be applied to find the resistance across the sensor after the deflection. Usually, Voltage can be measured parallel to a component. In order to find the voltage across
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1.1 Algorithm The algorithm which we are using provides output based on the most matching pattern that could be formed. Predefined patterns are already stored in the database. When a pattern which exactly matches with the predefined patterns, then the output is provided.
2. PROPOSED TECHNOLOGY Sign language pattern identification plays a crucial role in bridging communication gaps between individuals with hearing impairments. Flex sensor technology provides
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