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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 Agastia Maulana Akbar Anak Agung Istri Ngurah Eka Karyawati Ananda Putra Anang Bagus Prakoso Arfal Razya Suhendra Ari Mogi, I Komang Astawan, Putu Bagus Rangga Permana Putra Atmadja, David Putra Ayu Kadek Nadya Oktaviana Berutu, Steven Gerald Parsaoran Brahmantha, Gede Putra Aditya Budiastawa, I Dewa Gede Charles Alexander Ririmasse Cokorda Rai Adi Pramartha Darryl Patrick Matheuw Kurniawan Dewa Ayu Putri Diah Pramesti Dewi, Ni Luh Yulia Alami Dwi Putra, I Made Paramadhika Esa Sulistyo Aji Nugroho Gede Agung Aji Andar Sakti Gotama, Sammaditthi Gst. Ayu Vida Mastrika Giri Gusti Ayu Vidjaretha Wardana Hairul Lana I Dewa Made Bayu Atmaja Darmawan I Dewa Made Bayu Atmaja Darmawan, I Dewa Made Bayu I Gede Arta Wibawa I Gede Santi Astawa I Gede Teguh Permana I Gusti Agung Gede Arya Kadyanan I Gusti Agung Ramananda Wira Dharma I Gusti Anom Cahyadi Putra I Gusti Ngurah Anom Cahyadi Putra I Gusti Putu Wisnu Wardhana I Kadek Revan Aditya Prawira I Ketut Gede Suhartana I Komang Ari Mogi I Komang Ari Mogi I Komang Ari Mogi, I Komang Ari I Komang Dwiprayoga I Komang Roni Sudarmawan I Komang Wahyu Pranata I Made Paramadhika Dwi Putra I Made Widiartha I Made Widiartha I Nyoman Adi Mahendra Putra I Putu Bayu Eka Pratama I Putu Fajar Tapa Mahendra I WAYAN PULANTARA I Wayan Supriana Ida Ayu Gde Suwiprabayanti Putra Ida Bagus A. Swamardika Ida Bagus Gede Dwidasmara Ida Bagus Gede Dwidasmara Ida Bagus Made Mahendra Komang Andika Putra Komang Gede Bagus Devit Aditiya Kurniawan, Darryl Patrick Matheuw Luh Arida Ayu Rahning Putri Luh Eka Kusumayanti Luh Gede Astuti Luh Putu Eka Nadya Wati Made Agung Raharja Made Sastra Wiguna Mariano Charlos Patiatma Marselinus Putu Harry Setyawan Maulana, Raihan Akbar Michael Tanaya Nathanael Richie Thomas Ngurah Agus Sanjaya ER Ni Made Novia Nurtiani Ni Made Viona Rara Santhi Ni Putu Ambalika Dewi Pande Gede Dani Wismagatha Patiatma, Mariano Charlos permata, putu radheya surya Prakoso, Anang Bagus Pramesti, Dewa Ayu Putri Diah Prashanti, Ni Putu Vidya Vira Putra, Ananda Putra, Fathiyarizq Mahendra Putra, I Gusti Ngurah Agung Widiaksa Putra, I Made Alit Darma Putu Audy Cipta Pratiwi Putu Bagus Dio Pranata Qaris Ardian Pratama Raharja, Made Agung Raihan Akbar Maulana Ririmasse, Charles Alexander Rizky, Muhammad Firyanul Safira Sammaditthi Gotama Santhi, Ni Made Viona Rara Saputra, Made Yosfin Satya, I Dewa Gede Rama Tapa Mahendra, I Putu Fajar Tristan Nugraha Tanaya Wardhana, I Gusti Putu Wisnu Widiarthawan, I Kadek Wismagatha, Pande Gede Dani Yauw, Yauw James Fang Dwiputra Harta