Kalysta Actuation, based in Evry-Courcouronnes (Paris-Saclay area, France), is offering a prestigious 12-month full-year research internship focused on the efficiency characterization and optimization of a miniature electro-hydraulic power unit designed for powered lower-limb prostheses.

This internship provides hands-on experience in advanced actuation systems combining electromechanical design, hydraulic modeling, and experimental validation.

About Kalysta Actuation

Kalysta Actuation specializes in compact, high power-density electro-hydraulic actuation systems used in cutting-edge applications such as powered prosthetics. Their work contributes to improving mobility solutions and advanced assistive technologies.

The internship includes collaboration with Université Paris-Saclay, one of Europe’s leading research institutions in engineering and applied sciences.

Internship Overview

This research-focused internship revolves around:

Efficiency characterization and optimization of a miniature electro-hydraulic power unit

The system integrates:

• BLDC motor
• Axial piston pump
• Drive electronics
• High power-density actuation architecture

The selected intern will work on real laboratory experiments, modeling, and design improvements within a professional research environment.

Main Research Topics

1. Efficiency Testing (ISO 4409)

• Standardized efficiency measurement procedures
• Performance mapping across operating conditions
• System-level efficiency evaluation

2. Identification & Modeling of Losses

• Hydraulic losses
• Mechanical losses
• Electrical losses
• Combined system optimization

3. Mechanical Design Optimization

• CAD improvements (CATIA or equivalent)
• Tolerance analysis
• Interface optimization
• Design refinement for efficiency gains

4. Experimental Validation

• Testing on laboratory test benches
• Data acquisition & performance analysis
• Validation of optimized designs

Candidate Profile

This opportunity is ideal for:

Master’s (M2) students in:

• Mechanical Engineering
• Robotics
• Mechatronics
• Physics

Required Skills:

• Strong interest in experimental research
• Experience with mechanical design (CATIA preferred)
• Understanding of motors, control systems, or hydraulics
• Analytical and problem-solving mindset

Students enrolled in English-taught programs are eligible.

Practical Information

Location: Evry-Courcouronnes (Paris-Saclay area), France
Duration: 12 months (full-year internship)
Academic Collaboration: Université Paris-Saclay
Stipend: €900 per month

This internship provides exposure to both industrial research and academic collaboration, offering strong career value.

Why This Internship Stands Out

Work on high power-density electro-hydraulic systems
Contribute to next-generation prosthetic technologies
Gain international research experience in France
Strengthen profile for PhD or R&D careers
Hands-on hardware experimentation (not purely theoretical)

This opportunity is particularly beneficial for students aiming for careers in:

• Robotics Research
• Actuation Systems Engineering
• Medical Device Engineering
• Advanced Mechanical Systems
• European R&D roles

Application Process

Interested candidates can apply or send inquiries to:

maya.sleiman@kalysta.tech

Include:

• Updated CV
• Academic transcript
• Brief statement of interest

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Final Thoughts

The Robotics Internship France 2026 at Kalysta Actuation is a rare opportunity to combine research, mechanical design, experimental validation, and system optimization within a cutting-edge engineering domain.

If you are passionate about hardware systems and advanced actuation technology, this internship offers a powerful launchpad for your international engineering career.