International Journal of Advanced Culture Technology

The International Promotion Agency of Culture Technology (국제문화기술진흥원)
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Design and Implementation of Continuous Control for Household Electric Fan Speed for Virtual Reality Applications

  • Jonas John, Claud (Dept. of Advanced Convergence, Handong Global Univ.) ;
  • Dae-Young, Na (School of Global Leadership, Handong Global Univ.) ;
  • Daseong, Han (School of Global Entrepreneurship and ICT, Handong Global Univ.)
  • Received : 2022.11.26
  • Accepted : 2022.12.09
  • Published : 2022.12.31
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Abstract

Virtual Reality (VR) has been widely used in various applications to generate realistic virtual environments. A sense of immersion can be increased by providing additional stimuli such as tactile sensation to VR contents. However, it is still challenging to provide a realistic feel for the wind blowing over the whole body by smoothly controlling the airflow. To address this issue, we employ a household electric fan as a wind generating device to provide users with wind experience in VR environments. The wind generating device targets the whole body to mimic the wind we feel outside in our daily life. To do so, we present a low-cost method to smoothly control household fan speed using an Arduino microcontroller. Here, we use the Sinusoidal Pulse Width Modulation (SPWM) technique to generate the sinusoidal voltage required to drive the fan motor. Our experimental results show how Variable Voltage Variable Frequency (VVVF) is implemented at a low cost using our method for household fan speed control. The results can be applied to various VR applications to enhance the sense of immersion by providing users with realistic wind.

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