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Hybrid Exoskeletons for Railway Maintenance
Challenge
Railway maintenance must be carried out safely and efficiently within increasingly demanding operational constraints. Short maintenance windows and physically intensive tasks can put pressure on workers and limit productivity, highlighting the need for solutions that support operators without compromising their mobility or safety.
The solution
Europe’s Rail (EU-Rail) has advanced a solution that provides a a web-based platform for visualising different railway corridor survey data streams.
The platform enables the visualisation of the Track and Overhead Line condition data and fuses Track Geometry and Overhead line condition data within the Point Cloud.
A hybrid exoskeleton combines the lightweight and fail-safe characteristics of passive systems (springs and dampers) with the power and adaptability of active systems (motors and sensors). For railway infrastructure maintenance, where tasks range from heavy lifting to precision overhead wiring, this duality offers a versatile solution that can adapt assistance to different physical demands.
Readiness for Industrialisation and Deployment
The active exoskeleton is currently a prototype under construction. Testing of the prototype is expected during 2026, in various facilities and under realistic conditions of use.
Maturity level
The solution is currently at TRL 5 for the active exoskeleton and TRL 6 for the passive-only design.
Expected benefits
- Technical & Operational Advantages
- Load distribution and power assistance: Passive elements provide constant postural support for tasks such as holding heavy tools, while active motors provide additional power when lifting heavy components.
- Adaptive assistance: sensors can distinguish between activities such as walking, squatting and overhead reaching, adjusting the level of assistance accordingly and reducing unnecessary resistance from the suit.
- Extended battery life: Passive springs handle baseline static loads, allowing the active motors to operate mainly during periods of peak exertion and extending the time between charges.
- Economic Benefits
- Reduced MSD costs: By reducing the load on the lumbar spine and shoulders, hybrid exoskeletons can help reduce the physical strain associated with musculoskeletal disorders (MSDs), a significant cause of absenteeism in rail maintenance.
- Workforce longevity: Exoskeletons can help experienced technicians to remain in the field longer by mitigating the physical impact of demanding maintenance work and helping retain valuable expertise.
- Increased productivity: Lower fatigue can support more consistent performance throughout a shift, which is critical during tight maintenance windows when tracks need to be cleared quickly.
- Environmental & Safety Factors
Railway maintenance often occurs in demanding and unpredictable outdoor environments. While the exoskeleton does not provide a direct environmental benefit, its ability to reduce physical strain can contribute to safer working conditions, particularly by helping to reduce the risks associated with musculoskeletal disorders.
Who benefits
Infrastructure Managers
Suppliers
Conclusion
EU-Rail’s hybrid exoskeleton offers a flexible approach to reducing physical strain in demanding railway maintenance tasks. By combining passive support with active assistance, it can help workers operate with less fatigue, improve labour efficiency and extend the working life of experienced staff.
The solution can also support shorter maintenance possession times, improved safety and better protection when handling heavy equipment, making the exoskeleton a potentially valuable and competitive tool for railway maintenance contractors and infrastructure managers.
Learn more about the project
FP3-IAM4RAIL
This solution has been developed within the Europe’s Rail (EU-Rail) Flagship Project FP3-IAM4RAIL. The project FP3-IAM4RAIL focuses on seven different integrated demonstrators for rail assets which are key for research and innovation in the rail sector.