Hareket Kabiliyeti Sınırlı Kişiler için EOG Tabanlı Bilgisayar Kontrol Sistemi

Yıl 2021, , 256 - 261, 31.07.2021

Cemil Keskinoğlu , Ahmet Aydın

https://doi.org/10.31590/ejosat.948124

Cited By: 1

Öz

Bilgisayar kullanımı günümüzde hayatın neredeyse her alanında gerekmekte olan temel bir iştir. Teknoloji geliştikçe bu iş daha da geniş bir alanda gerekli olmaktadır. Sağlıklı insanlar için oldukça basit olan bu iş kas hastalıklarına sahip veya hareket kabiliyeti sınırlı olan kişiler için zorluklara sahiptir. Bu tür kişilerin gündelik işlerinde sorun yaşamaması ve hayata adaptasyonları için bilgisayar kullanabilmeleri ise oldukça önemlidir. Yapılan çalışmada ALS, felç gibi hastalıklara sahip kişilerin kolay şekilde bilgisayar kullanabilmeleri için, bir bilgisayar kontrol sistemi tasarlanmıştır. Bu sistem kişinin EOG işaretlerini kullanarak bilgisayar faresinin kontrolünü sağlamaktadır. Bu sayede böyle kişiler ellerini kullanmadan bilgisayarı kontrol edebilmektedir. Çalışmada elde edilen EOG sinyalleri bir enstrumantasyon yükselteci ile yükseltilmiş ve dijital olarak filtrelenerek bu sayede sistemin başarılı şekilde çalışabilmesi sağlanmıştır. Tasarlanan sistem mikrokontrolcü tabanlı, portatif ve küçük boyutlu bir sistem olduğu için büyük bir kullanım kolaylığına sahiptir. Donanımına ilaveten sistemin çalışması için gerekli olan gömülü sistem yazılımı da ayrıca geliştirilmiştir. Tasarlanan bu sistem ile hareket kabiliyeti sınırlı olan kişiler gündelik yaşamlarında bir gözlük yardımıyla kolay bir şekilde bilgisayar kullanabileceklerdir.

Anahtar Kelimeler

ALS, EOG, İnsan-bilgisayar arayüzü, Mikrokontrolcü, Sayısal filtreleme

EOG – Based Computer Control System for People with Mobility Limitations

Öz

Computer usage is an essential task that is required in almost every aspect of life today. As technology develops, this task becomes more and more necessary in the broader area. This task, which is quite simple for healthy people, has difficulties for people with muscular diseases or limited mobility. It is essential to use a computer not to have problems in their daily lives and adaptions. In this study, a computer control system was designed so that people with diseases such as ALS and paralysis can control computers easily. This system controls the mouse cursor according to the signal obtained by using the person’s EOG signals. In this way, such people can control the computer without using their hands. In the study, the obtained EOG signals were amplified with an instrumentation amplifier and filtered digitally, thus it is ensured that the system can perform successfully. The designed system has great ease of use as it is a microcontroller-based and portable system and has a small size. In addition to the hardware, the embedded software necessary for the system’s control has also been developed. With this designed system, people with limited mobility will easily use computers with only glasses in their daily lives.

Anahtar Kelimeler

ALS, EOG, Human-computer interface, Microcontroller, Digital filtering

Kaynakça

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