A bio-inspired, passively actuated system uses each of the user’s steps to power the next one

“The first key aspect was to break away from traditional hard-frame powered exoskeletons by using soft robotics,” explains Motorskins, the Berlin-based company whose innovative wearables are a world away from the bulky prototypes and existing exoskeletons currently on the market. 

The prototypes were presented at Dutch Design Week as part of the Only Good News exhibition by Isola Design District. Drawing inspiration from the hygroscopic movement of plants, Motorskins has developed a prototype exoskeleton that applies “artificial muscles” to the user’s joints to help people walk more easily. Designed to assist regular movement, compensate for medical conditions or muscle weakness, it uses digital fabrication techniques, which have been employed to create multi-layered fabrics with embedded pneumatic and hydraulic systems.

In doing so, the company has developed a library of different geometries for exoskeletons, which can perform movements such as pull, push, bend, or stiffen. They work by transmitting force through tension or by transforming swelling and inflation into movement, and can be applied to the body to perform specific functions such as assisting or preventing the bending of a joint.

It recently unveiled a hydrodynamic compression garment focusing on the calf, which uses a passively actuated system comprising shape-changing textiles to harvest the potential energy in a person’s gait, using each step to power the next one. 

According to a recent report, the global Assistive Robotics Market size is expected to reach USD 25.16 billion by 2028, so the potential of exoskeletons like this is huge. In the future, the majority of people engaged in production will most likely use exoskeletons to remedy or prevent injury and enhance their capability. Meanwhile, Motorskins is looking to develop its prototype further before entering the market with an assistive product aimed at sports players or those it describes as having “lazy legs”.


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