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doi:10.3850/978-981-08-7615-9_RE08
Inersia Sensor based Assistive Devices to Rectify Human Upperlimb Postures
Z. Q. Ding1, Z. Q. Luo1, I. M. Chen1, K. X. Yue1, S. H. Yeo1 and K. V. Ling2
1School of Mechanical and Aerospace Engineering, Nanyang Technological University, Singapore
2School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore
ABSTRACT
In order to reduce the negative impact of neuromuscular disorders to movements of human body during daily activities, we propose a wearable human posture measurement and guidance system to let the user actively rectify upper limb postures by himself without risks of muscle pains and bone damages by the traditional mechanical means. The proposed measurement and guidance system consists of an orientation measurement device and three vibrotactile actuators for 5-DOF arm motion guidance. Activities of the user can be real-time recorded. The system will evaluate dynamic postures of the user with respect to reference postures and provide movement instructions, in the form of vibration patterns of the tactors attached to the user’s skin, to guide the user to produce correct body movement. The measurement system is small and wearable and thus, does not interfere with daily living activities. Because of the wearability, the system has wider applications and more flexible usages than markerbased motion recognition systems.
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