A Review: Sensory System, Data Processing, Actuator Type on a Hand Exoskeleton Design

Abstract:

A rehabilitation device for a post-stroke is essential because stroke attacks can cause disable to part or half of the human body. An exoskeleton could be a vital device for rehabilitation for a post-stroke patient. Several studies have proposed the exoskeleton design for rehabilitation purposes to a human limb disorder. This study aims to review the state-of-the-art of hand exoskeleton devices based on myoelectric or any other sensors. This paper is expected to contribute to design a hand exoskeleton device using both myoelectric and force sensors. This was achieved by reviewing several articles related to the development of the exoskeleton, especially in the sensor system, data processing, and actuator system. The results show that the use of Ag electrode disposable Ag (AgCl) is still commonly found to detect the movement of the fingers on the hand because this sensor can reduce the artifact noise. The use of myo-armband is also found in several studies because it has wireless properties so that it is easy to use. In terms of processors, Arduino microcontrollers are more widely used than others. In order to activate the hand exoskeleton, servo motors are more widely used to actuate the finger joints, which is more precise than other actuators. In a further development, integration between exoskeleton systems and information systems will be an expected challenge. Furthermore, hopefully, the development of this exoskeleton can be applied as a rehabilitation device for patients with malfunction or hand paralysis.

• Periodical: Journal of Biomimetics, Biomaterials and Biomedical Engineering (Volume 50)
• Pages: 39-49
• DOI: https://doi.org/10.4028/www.scientific.net/JBBBE.50.39
• Online since: April 2021
• Authors: Triwiyanto Triwiyanto*, Sari Luthfiyah, S. Sumber, Andjar Pudji, Abd Kholiq, Bedjo Utomo, Triana Rahmawati, Dyah Titisari
• Keywords: Actuator, EMG, Hand Exoskeleton, Rehabilitation, Sensor

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