An Industry at the Crossroads of Innovation and Demand

The global Brushed Coreless Motor market, valued at US$ 1.58 billion in 2024, is on track to reach US$ 2.37 billion by 2032, growing at a CAGR of 5.1% during the forecast period from 2025 to 2032. This steady yet impactful growth is fueled by a convergence of factors: technical breakthroughs in control systems, a manufacturing renaissance in China, and the rising adoption of robotics—particularly humanoid robots—where coreless motors are a critical enabling technology.

Unlike conventional brushed DC motors, brushed coreless motors eliminate the laminated iron core in their rotor, replacing it with a self-supporting coil winding. This design delivers lower inertia, faster response times, reduced cogging torque, smoother rotation, and higher efficiency. These advantages make them indispensable in precision medical devices, aerospace applications, robotics, and high-end consumer electronics.

Today, the industry finds itself in a transformative moment, with recent newsworthy developments pushing the technology into new territories—from sensorless speed and position estimation using AI algorithms to Chinese manufacturers racing to dominate humanoid robot supply chains.

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2. Understanding Brushed Coreless Motor Technology

2.1. The Coreless Advantage

A brushed coreless motor removes the traditional iron core from the rotor. Instead, its coil winding is wound in a “basket” or “honeycomb” pattern and held together by epoxy resin. The absence of the iron core significantly reduces rotor mass and inertia, leading to:

• High acceleration and deceleration rates

• Improved efficiency

• Minimal torque ripple

• Better heat dissipation

2.2. Key Application Areas

These motors are used where speed control precision, low vibration, and compact size are essential:

• Medical Devices – Infusion pumps, surgical tools, prosthetics

• Aerospace – Actuators, control surfaces, instrumentation

• Robotics – Joint actuation in humanoid robots, AGVs, drones

• Consumer Electronics – High-end cameras, optical instruments

While brushed coreless motors face competition from brushless variants, they remain relevant due to their simplicity, high torque-to-weight ratio, and lower initial cost for certain applications.

3. Recent Breakthrough – Sensorless Speed & Position Estimation

One of the most exciting recent developments comes from research that introduces a sensorless estimation method for both speed and position in brushed DC motors, using only the current ripple as the data source. This system, powered by Support Vector Machines (SVMs), identifies current ripple pulses to infer rotor motion with high accuracy.

3.1. Why Sensorless Control Matters

Traditionally, precise position and speed detection in motors requires encoders or Hall effect sensors. These add cost, complexity, and points of failure. A sensorless system:

• Reduces component count

• Improves reliability by removing mechanical sensors prone to wear

• Cuts cost

• Allows operation in environments where sensors are difficult to integrate

3.2. Impact on Brushed Coreless Motors

Coreless motors already excel in responsiveness, and pairing them with advanced sensorless control could extend their reach into cost-sensitive markets without sacrificing precision. The ripple-current SVM approach is particularly promising for small form-factor motors used in portable medical devices, where space and weight savings are critical.

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4. China’s Manufacturing Push – Moons’ and the Rise of Domestic Motor Giants

A major storyline in recent months is the rapid scaling of Chinese manufacturers in the coreless motor segment. Industry coverage has spotlighted Moons’ Industries, Dingzhi Technology, and Zhaowei Electromechanical as key players accelerating their technological capabilities.

4.1. Moons’ Industries – Innovation in Miniaturization

• Reported 2.4 billion CNY revenue in 2024.

• Developed brushless slotless motors with diameters starting at 10 mm—a size ideal for precision robotics.

• Uses proprietary winding technology that boosts torque output while maintaining low noise and high efficiency.

4.2. Targeting the Humanoid Robot Supply Chain

Chinese manufacturers are actively positioning themselves to be designated suppliers for humanoid robot mass production. This is a forward-looking bet, as humanoid robots are projected to move from prototype to commercial-scale production over the next decade.

4.3. Competitive Advantages of Chinese Makers

• Vertical integration – from winding machines to finished motors.

• Lower production costs due to economies of scale.

• Proximity to robotics OEMs in Asia.

5. The Robotics Connection – Why Humanoid Robots Need Coreless Motors

5.1. Low Inertia for Natural Motion

Humanoid robots require actuators that can respond quickly to changes in movement. Coreless motors’ low inertia allows for smooth, lifelike motion.

5.2. Spark-Free and Reliable

While brushed designs inherently create some sparking, coreless versions—especially when optimized—are much more reliable and produce minimal electromagnetic interference, a key factor in sensitive electronic systems.

5.3. The Tesla Effect

Tesla’s public statements about humanoid robot development have sent ripples through the robotics supply chain. If even a fraction of these plans materialize, demand for compact, efficient motors will skyrocket.

5.4. From Prototypes to Mass Production

Many robotics companies currently hand-build their actuators, but scaling to thousands of units will require established motor suppliers with proven capacity—exactly where Chinese companies are investing now.

6. Market Dynamics 2025–2032

6.1. Growth Drivers

1. Miniaturization of Electronics – Medical and consumer devices increasingly demand small, high-torque motors.

2. Robotics Expansion – Both industrial and humanoid robots rely on compact, precise motors.

3. Medical Device Demand – Aging populations and home healthcare drive motor usage in portable medical tools.

4. Defense and Aerospace – Need for precise actuation in harsh conditions.

6.2. Restraints

• Cost – Coreless designs are more expensive than standard brushed motors.

• Durability under High Load – Lack of iron core can limit peak torque handling.

• Brush Wear – Still a factor, though mitigated with better materials.

6.3. Opportunities

• Hybrid Designs – Combining coreless rotor with advanced brush materials for longer life.

• Integration with AI-based Control Systems – The SVM sensorless breakthrough is just the beginning.

• Emerging Markets – Southeast Asia and Eastern Europe are beginning to adopt advanced automation.

7. Regional Insights

Asia-Pacific

• Largest share of the market, led by China, Japan, and South Korea.

• Heavy investment in robotics and manufacturing automation.

North America

• Strong presence in medical and defense applications.

• Growing robotics startups in the US and Canada.

Europe

• Demand driven by aerospace and high-end industrial automation.

• Germany, Switzerland, and France have strong precision motor industries.

8. Competitive Landscape

Key players include:

• Faulhaber Group (Germany) – Known for premium micro-motor solutions.

• Moons’ Industries (China) – Scaling for robotics markets.

• Maxon Motor (Switzerland) – Leader in aerospace and medical applications.

• Portescap (US/India) – Specializes in miniature motor technologies.

Competitive strategies are shifting toward application-specific customization, allowing motor makers to tailor torque, speed, and size for target markets.

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9. Future Outlook – The Road to 2032

The Brushed Coreless Motor industry is positioned for measured but sustained growth over the next eight years. Key themes shaping its future include:

• Integration with smart control electronics for real-time adaptation.

• Increased role in robotics, particularly humanoid designs.

• Continued Chinese dominance in manufacturing capacity.

• Advances in materials science to extend brush life and motor durability.

As more applications demand compact, efficient, and precise actuation, brushed coreless motors will retain a vital role despite the rise of brushless alternatives. The industry’s success will hinge on balancing performance innovation with cost efficiency.