Biomechatronics and Intelligent Robotics Lab

Portable Shoulder Exosuit


We created the most lightweight, portable, powered upper limb exoskeleton that provides high torque assistance and is suitable for heterogeneous users with different levels of impairments.

Figure 1

Hardware Features

Our shoulder exoskeleton assists 2 DoF movements (flexion/extension, abduction/adduction) while most robots are either passive or only provide 1 DOF assistance.

Figure 2

Thanks to the high torque density motor and compact electronics design, our shoulder exoskeleton is fully portable and modular and can be used for bilateral or unilateral assistance (e.g., stroke is hemiparesis and requires unilateral assistance).

Figure 3

Data Sheet

Property Value
Total Mass 3.3 kg
Portability Fully Portable
Voltage 24 V
Rated Assistive Torque 9 Nm
Peak Output Torque 27 Nm
Gear Ratio 9:1
Range of Motion 0 - 140°
Battery Life 2 hours
Controller Communications Bluetooth

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Portable Shoulder Exosuit