Performance Analysis of Velostat, Conductive Fabric and Force Sensing Resistor for Incorporating Safety in Women's Jacket

Every day, harassment issues and crimes against women are increasing in India. When women are in danger, if there is no chance to access the mobile phones, then women cannot easily contact others for help. Women are affected physically and mentally, and many lives were lost. When affected, women suffer from psychological effects like depression and lowered self-esteem in addition to physical effects. A safety system in woman's jacket is used to detect harassment and to rescue women from harassment before being severely affected. It is also used to detect abnormal conditions in health by using heartbeat and body temperature sensors. Three piezoresistive materials such as Velostat, Force Sensing Resistor and conductive fabric are analyzed in which resistance is decreased when pressure is applied. These materials are analyzed and the results show that velostat is better than Force sensing resistor and conductive fabric. Velostat is implemented in the safety system and the system detects the pressure applied to a woman's body. If the pressure is greater than the threshold level, then the system sends the message along with the location with the help of GSM and GPS modules. In addition to the automatic detection of pressure, a push button is present in the circuit to send the message manually. Temperature sensors and pulse rate sensors are used to measure the body temperature and heartbeat of the woman. The system was implemented and tested with 15 people and it has an overall accuracy of 93.1%.