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Wearable exoskeleton vest alleviates burden in overhead work

14 October 2019

Hyundai Motor Group’s Vest EXoskeleton (VEX) is a wearable robot created to assist industrial workers who spend long hours working in overhead environments.

Hyundai Motor Group Develops Wearable Vest Exoskeleton to Alleviate Burden in Overhead Work (Credit: Hyundai Motor Group)

The VEX enhances productivity and reduces fatigue of industrial workers by imitating the movement of human joints to boost load support and mobility. The VEX functions without the need for a battery by imitating human shoulder joint and using a multilink lift assistant module.

At 2.5kg, VEX weighs 22-42% less than competing products and is worn like a backpack. The user places their arms through the shoulder straps of the vest, then fastens the chest and waist buckles. The back section can adjust in length by up to 18cm to fit a variety of body sizes, while the degree of force assistance can be adjusted over six levels – up to as much as 5.5kgf.

“VEX gives workers greater load support, mobility, and adaptability when operating in overhead environments.” stated DongJin Hyun, head of Robotics team of Hyundai Motor Group. “Workers will also appreciate how light VEX is to wear and work with.”

The newly-developed VEX is targeted at production-line workers whose job is primarily overhead, such as those bolting the underside of vehicles, fitting brake tubes, and attaching exhausts. The development of the VEX included a pilot programme in two Hyundai Motor Group plants in the US. The trial was widely successful in assisting workers and boosting productivity and both plants incorporated VEX systems in their production lines. 

The Group is considering implementing the VEX on plants around the world. It is expected to go into commercial production in December by Hyundai Rotem and is projected to cost as much as 30% lower than existing products which usually costs around £4,000.

Hyundai Motor Group commercialises Chairless EXoskeleton

As part of the Group’s plans to develop a diverse range of robotics technologies, another lightweight wearable device is soon to be commercialised. The ‘Chairless EXoskeleton’ (CEX) supports workers to maintain a sitting position without a stool or chair. At 1.6kg, it is light yet highly durable and able to withstand weights of up to 150kg.

The CEX’s waist, thigh, and knee belts can be easily fitted and adjusted to the user’s body size and height. It also features three different angle settings (85/70/55º). By reducing the user’s back and lower body muscle activity by 40%, it reduces fatigue and improves efficiency.

The development of the VEX and CEX demonstrates Hyundai Motor Group’s steadfast commitment to the health and wellbeing of its industrial workers and its ongoing exploration of advanced robotics

The future for wearable robotics

According to the International Federation of Robotics, the wearable robotics industry is growing 14% annually, a rate which is accelerating. By 2021 approximately 630,000 commercial robots will be sold worldwide, with the greatest demand coming from the automotive sector. In 2017, 126,000 robots were supplied to the auto sector, making-up 33% of all commercial robots. 

Recognising the market trend, Hyundai Motor Group is making active investments and strengthening its presence within the growing robotics industry by securing relevant technologies.


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