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Journal : International Journal of Electrical and Computer Engineering

Optimizing usability of electric wheelchairs with voice user experience for acceleration wheel rotation design by the kinematics method Santiyasa, I Wayan; Swamardika, Ida Bagus Alit; Suhartana, I Ketut Gede; Putra, I Gusti Ngurah Anom Cahyadi
International Journal of Electrical and Computer Engineering (IJECE) Vol 16, No 2: April 2026
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijece.v16i2.pp739-752

Abstract

Individuals with quadriplegia experience total paralysis of all four limbs due to spinal cord injuries, leaving them unable to operate conventional electric wheelchairs that rely on joystick control. Existing alternative interfaces, such as head motion and eye-gaze sensors, are often cost-prohibitive and fail to deliver the maneuverability and accuracy required for daily use. Voice recognition emerges as a practical solution because speech ability is typically retained in quadriplegia, offering a hands-free, intuitive control method. This study proposes an electric wheelchair system integrating voice user experience (VUX), machine learning (ML), and kinematics-based wheel rotation control to address these challenges. Voice commands are processed using natural language processing (NLP) for word recognition and support vector machines (SVM) for amplitude classification to dynamically adjust speed and direction. Forward and inverse kinematics optimize wheel rotation angles, ensuring smooth and precise navigation even in constrained spaces. Experimental results demonstrate 92.82% word recognition accuracy and 94.48% accuracy in frequency and amplitude detection. Functional testing recorded average speeds of 0.343 m/s (no load) and 0.305 m/s (with 60 kg load). Usability testing with 15 quadriplegic users reported 93%.
Co-Authors adi saputra, komang cameng Adiartika, Made Harry Dananjaya Agus Tommy Adi Prawira Kusuma Albertin Caecilia Djema Anak Agung Istri Ngurah Eka Karyawati Anak Agung Ngurah Andhika Satrya Nugraha Andien Rachma Fadillah Ardika, Putu Ode Irfan Ardita, I Kadek Aldy Oka Ari Mogi, I Komang Aulia Iefan Datya Br Sitepu, Rasita Natasya Christian, Calvin Cokorda Pramartha Cokorda Rai Adi Pramartha Derwi Rainord Nalle Dewa Agung Ayu Mutiara Dewi Dika Varuna, Gusti Ngurah Made Dominggo Pratama Sidauruk Eka Prananda, Made Yayang Gede Verel Aditya Setiabudi Ginting, Gusto Gibeon Giri, I Nyoman Yusha Tresnatama Gst. Ayu Vida Mastrika Giri Gusto Gibeon Ginting Hamid, Muhammad Akbar Harta, I Gede Bendesa Aria I Dewa Made Bayu Atmaja Darmawan I Gede Aditya Mahardika Pratama I Gede Arta Wibawa I Gede Ngurah Wira Pratama I Gede Santi Astawa I Gede Surya Rahayuda I Gusti Agung Gede Arya Kadyanan I Gusti Agung Istri Agrivina Shyta Devi I Gusti Agung Istri Bianca Githa Saraswati I Gusti Ngurah Bagus Pramana Putra I Kadek Adi Sentana I Kadek Agus Andika Putra I Kadek Agus Chandra Pradika I Kadek Gowinda I Ketut Gede Suhartana I Komang Ari Mogi I Komang Maheza Yudistia I Komang Widia Pratama I Made Ari Madya Santosa I Made Kusuma Wijaya I Made Rian Wijaya I Made Widiartha I Made Widiartha I Putu Adi Yuda I Putu Agus Arya Wiguna I Putu Fajar Tapa Mahendra I Putu Gede Hendra Suputra I Putu Krisna Megadana I Wayan Dimas Wirahadi I WAYAN SANTIYASA I Wayan Supriana Ida Ayu Gde Suwiprabayanti Putra Ida Bagus A. Swamardika Ida Bagus Gede Dwidasmara Ida Bagus Gede Dwidasmara Ida Bagus Made Mahendra Ida Bagus Made Mahendra Ignatius Charles Hans Burwos Krishella Naomi D’laila Rumy Kustiadie, Mohammad Rizky Laurent, Valerie Luh Arida Ayu Rahning Putri Luh Gede Astuti Made Putra Teguh Pramana Made Widiartha Made Yayang Eka Prananda Mahendra, A.A Riky Megadana, I Putu Krisna Krisna Megadana, I Putu Krisna Megadana Merdana, I Ketut Kusuma Muhammad Arrysatrya Yusuf Putranda Ngurah Agus Sanjaya ER Ni Kadek Evi Dianasari Ni Made Rika Padeswari Kusuma Ni Made Yuli Cahyani Ni Putu Alya Noviyanti Ni Putu Widya Astuti Nuboba, Barneci Henderika Nyoman Ngurah Adisanjaya Pande Komang Bhargo Anantha Yogiswara Pradana Putra, Gevin Janitto Pratama, Sang Putu Febri Wira Putra, I Kadek Agus Andika Putu Bagus Dio Pranata Putu Bayu Baskara Putu Ode Irfan Ardika Putu Wahana MahaYoni Putu Wida Gunawan Raharja, Made Agung Rasita Natasya Br Sitepu Roger Julian Sitorus Salsabila, Zerina Nur Salsabila, Zerina Nur Salsabila Santosa, I Made Ari Madya Saraswati, I Gusti Agung Istri Bianca Githa Sidauruk, Dominggo Pratama Sumendap, Revi Tanaya, Tristan Nugraha Theresia Seftiani Girsang Tri Adi Ningsih Tristan Nugraha Tanaya Valerie Laurent Yoel Samosir Yudistia, I Komang Maheza Yudistia Zerina Nur Salsabila