Assistive technology control using eeg signal

Abstract

Australian Institute of Health and Welfare states that about 18% of people in Australia, which is 4.4 million, suffers disability. Hosseini et al argued that physically disabled people experience more restrictions in social activities than healthy people, which are associated with lower level of well-being and poor quality of life. To improve the life quality of disabled people, a study is carried out to determine an effective and accurate way to realize what disabled people think. Although there are similar products been made, the previous built products are heavy, clunky, slow in response and inaccurate. In order to solve the problem, an integrated circuit (IC) with a microcontroller is used instead of a laptop and a control system is also implemented to accelerate the response and improve the accuracy. An isolating circuit is implemented as well to improve the stability and durability of the system. Experiment result shows that the IC implemented weighs around 5g, which is 400 times lighter comparing with previous products. The deviation is controlled to be within 2% and the response time is measured to be 0.5s the power consumption is measured to be less than 100W, which is well within the budget.