Kawasaki Heavy Industries Launches the CORLEO Robot Horse: Harmonic Reducers Play a Key Role
2025-05-13

Kawasaki Heavy Industries has introduced the CORLEO, a highly agile robotic horse capable of traversing water, jumping, running, and striking dynamic poses. Designed to conquer challenging terrain, CORLEO's leg movement system features independently driven units for each limb, delivering exceptional stability and shock absorption. Its hind legs operate independently from the front, enabling smooth navigation over rough surfaces while maintaining the rider’s balance—even on stairs or uneven ground.


A critical component of CORLEO’s design is the harmonic reducer, which offers the following advantages:


Key Advantages of Harmonic Reducers


Zero Backlash: Ensures precise, stable joint control.

High Torque Output: Delivers ample torque for agile movements.

Compact Design: Fits seamlessly into the robot’s compact joint spaces.

High Load Capacity: Multi-tooth meshing and elastic structures absorb vibrations effectively.

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Why Harmonic Reducers Are Irreplaceable?


Compared to RV Reducers: Harmonic reducers provide superior accuracy, which is essential for CORLEO’s flexible motions.

Compared to Planetary Reducers: Their smaller speed ratio enables CORLEO’s dynamic actions like running and jumping.

Additional benefits such as small size, low inertia, and multi-tooth engagement further solidify their irreplaceability.

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Future Prospects


CORLEO can perform a wide range of actions, including walking, riding, climbing, and even jumping, with the following innovations:


Responsive Design: Projects luminous markers for night riding, with non-slip rubber hooves for traction.

Hydrogen-Powered Engine: Utilizes clean energy, similar to hydrogen-powered vehicles.

Ergonomic Adjustability: Stirrup height can be customized for rider comfort.

Smooth Riding Experience: Sensors in the stirrups and handlebars detect and adapt to the rider’s center of gravity.

Kawasaki's CORLEO Robot Dog_ A New Era in Off-Road Travel - visual selection(1).jpg

CORLEO represents a leap forward in off-road mobility, offering adventurers new ways to traverse rugged landscapes. Its development has also provided HONPINE with fresh insights into harmonic reducer technology, paving the way for future advancements.