International Journal of Internet, Broadcasting and Communication

  • 제16권4호
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  • Pages.273-281
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  • 2024
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  • 2288-4920(pISSN)
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  • 2288-4939(eISSN)
한국인터넷방송통신학회 (The Institute of Internet, Broadcasting and Communication)
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Development of Cam Pulsation Simulator for Generating Radial Pulse Waveforms across All Age Groups

  • Yong-Jun Lee (Department of Mechanical Engineering, Konkuk University) ;
  • Jun-Hyeok Lee (Department of Mechanical Engineering, Konkuk University) ;
  • Jin‐Ho Choi (Department of Mechanical Engineering, Konkuk University) ;
  • Min-Seo Jung (Department of Mechanical Engineering, Konkuk University) ;
  • Young-Min Kim (Digital Health Research Division, Korea Institute of Oriental Medicine) ;
  • Tae-Heon Yang (Department of Mechanical Engineering, Konkuk University) ;
  • Dongbum Pyo (Human-Centric Robotics R&D Department, Korea Institute of Industrial Technology)
  • 투고 : 2024.10.04
  • 심사 : 2024.10.15
  • 발행 : 2024.11.30
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초록

The development of a radial pulse simulator is pivotal for advancing wearable medical devices and enhancing pulse diagnosis methods prevalent in Oriental medicine. Such a simulator can be utilized for the calibration of wrist-worn wearable device sensors, as well as for training medical professionals in pulse diagnosis. This study introduces a novel, simple, and cost-effective pulse simulator that can generate a wide range of blood pressure waveforms. This simulator was designed and constructed as a prototype pulse simulator using two precision solenoid valves, an air chamber, a Half-CAM, a pneumatic sensor, and electronic control systems. By regulating air pressure through controlled opening and closing of the solenoid valve, the simulator can produce the desired pulse waveform. The performance of the proposed simulator was evaluated by replicating age-related radial pulses. Pulse waveforms generated by the simulator for four representative age groups (10, 50, 60, and 90 years) were compared with corresponding in vivo data. The experimental results demonstrated that the RMSE (Root Mean Square Error) estimate between the simulated in vivo pulse data and the actual in vivo pulse data was within 10% in all age groups. These findings demonstrate that fine pneumatic control by a solenoid valve allows the generation of sophisticated waveforms and validate that the proposed pulse simulator is capable of generating a diverse range of pulse waveforms.

키워드

과제정보

This work was supported by Institute of Information & communications Technology Planning & Evaluation (IITP) grant funded by the Korea government(MSIT) (No.2022-0-01049, Development of teaching-less product assembly system for smart factory based on autonomous robot task planning and manipulation) and National Research Foundation of Korea(NRF) grant funded by the Korea government(MSIT)(RS-2024-00342395).

참고문헌

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