Hermione Polish 4x4 Unmanned Ground Vehicle (UGV)

Hermione

Unmanned Ground Vehicle (UGV)

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Basic Information

Name

Hermione Polish 4x4 Unmanned Ground Vehicle (UGV)

Designation

Hermione

Alternate Designation

Hermione

Equipment Type

Unmanned Ground Vehicle (UGV)

Manufacturer

jointly developed by Poland's P.H.U. Lechmar and France's H2X-Defense

Date of Introduction

2025

Description

The Hermione Polish 4x4 Unmanned Ground Vehicle (UGV) is a hydrogen-powered, modular unmanned ground vehicle jointly developed by Poland's P.H.U. Lechmar and France's H2X-Defense. Hermione represents a significant advancement in autonomous ground robotics, distinguished by extended operational endurance (up to 20 hours), rapid refueling capability (three minutes), and flexible modular architecture supporting diverse mission profiles from reconnaissance to logistics and potential armed support. The vehicle's hydrogen fuel cell hybrid power system addresses critical limitations of battery-only platforms while establishing a sustainable approach to military operations. The Hermione unmanned ground vehicle represents a watershed moment in European defense innovation, demonstrating the convergence of sustainable energy technology, autonomous systems, and military operational requirements. Developed through French-Polish collaboration and currently undergoing active French Army trials as a cornerstone component of the ambitious Pendragon program, Hermione offers significant performance advantages over existing platforms—particularly its extended 20-hour operational endurance, rapid three-minute refueling capability, and modular mission architecture.

Ground Specifications

Mobility Type Wheeled (4x4)

Max Speed 39.0 km/h

System

Alternative Designation Hermione

Type Unmanned Ground Vehicle (UGV)

Manufacturer jointly developed by Poland's P.H.U. Lechmar and France's H2X-Defense

Configuration 4x4

Crew Unmanned

Payload Capacity 300 kg

Payload Options The vehicle's architecture supports rapid integration of: Surveillance and reconnaissance sensor pods; High-resolution electro-optical cameras; LiDAR mapping systems; Thermal imaging suites; Electronic warfare and jamming equipment; Remote-controlled weapon stations (RCWS); Cargo and resupply containers; Casualty evacuation modules; Drone transport and launch systems.

Primary Sensors High-resolution electro-optical cameras for daylight and low-light reconnaissance. LiDAR (Light Detection and Ranging) systems for 3D terrain mapping and obstacle detection. Thermal imaging for night operations and temperature differential detection.

Navigation Systems GPS positioning with inertial measurement units (IMU). SLAM (Simultaneous Localization and Mapping) algorithms achieving decimeter-level accuracy. Terrain-relative navigation capabilities.

Communication Encrypted secure data links for operator control and command integration. Network capability enabling multi-unit coordination and swarm operations. Compatible with higher-level command and control systems for tactical integration.

AI-Assisted Autonomy The vehicle employs AI-driven navigation algorithms enabling semi-autonomous patrol routes and response to real-time operator commands while maintaining strict human control over lethal decision-making, consistent with international law and NATO doctrine.

Dimensions

Length 3.3 m

Width 1.85 m

Height 1.4 m

Weight, Combat 700 kg

Automotive

Primary Power Source Hydrogen fuel cells housed in TPED-certified high-pressure cylinders capable of storing hydrogen at elevated pressures for extended operational duration.

Secondary Power Source A 25 kWh lithium battery pack that supplements the fuel cell system, providing peak power for acceleration, surge capacity during sensor-intensive operations, and buffering against power fluctuations inherent in pure fuel cell systems.

Motors Four hub-mounted electric motors, each rated at 8 kilowatts, deliver a combined 32 kW of distributed power to enable all-wheel drive capability. This configuration ensures optimal traction distribution across uneven terrain and supports precise maneuvering in confined environments.

Transmission All-wheel drive with independent suspension.

Maximum Range INA

Maximum Speed 39 km/h

Amphibious No

Ground Clearance 300 mm

Endurance 20 hours

Main Weapon System

Note .

Protection

Armor The chassis construction employs lightweight alloys reinforced with composite armor, providing protection for critical electronics against small-arms fire and shrapnel while maintaining agility across rough terrain.

Applique Armor INA

NBC Protection No

Smoke Equipment No

Image Sources

Notes https://defence-blog.com/polish-french-team-unveils-hydrogen-powered-robot/; https://interestingengineering.com/military/hydrogen-powered-hermione-robot-unveiled; https://futurewartech.com/hermione-a-hydrogen-powered-ugv-aims-to-stretch-endurance-and-shrink-logistics-on-the-battlefield/; https://root-nation.com/en/articles-en/weapons-en/en-hermione-all-about/

Details

Country of Origin Poland

Category Unmanned Ground Vehicles (UGV)

Land > Unmanned Ground Vehicles (UGV)

Classification

Domain

Ground

Equipment Status

Active

Dimensions

Length

3.3 m

Width

1.85 m

Height

1.4 m

Weight

700 kg

Operators (2)

France

Poland

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