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High-Precision Joint Drive Solutions for Humanoid Robots

Delivering high torque density, compact joint designs, and intelligent motion control systems for next-generation humanoid robots.

Industry Landscape

Key Challenges

Technical Challenges

System Solution

Featured

Integrated

Performance

Cases

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Solismotor Humanoid Robot

Industry Landscape

Humanoid robots are rapidly moving from laboratory prototypes toward industrial and commercial applications.As humanoid robots continue to increase in degrees of freedom, the requirements for joint drive systems are becoming more demanding—especially in terms of size, weight, and power performance.However, traditional motor systems often struggle to meet the combined requirements of compact design, high torque output, and dynamic motion control required by humanoid robots.

Key Challenges

Limited Joint Installation Space

Restricted internal space places higher demands on the integration and structural design of robotic joint drive systems.

High Peak Torque Requirements

Bipedal walking, standing up, and dynamic balancing require joints to deliver rapid high peak torque output.

High Thermal Load During Continuous Operation

High-frequency dynamic movements and continuous loads can cause heat accumulation, affecting system performance and operational stability.

Complex Multi-Joint Coordination

Humanoid robots with numerous degrees of freedom require highly synchronized multi-joint control, fast response, and precise motion accuracy.

Strict Lightweight Requirements

Joint weight directly impacts robot inertia, energy consumption, and dynamic performance, requiring continuous improvements in power and torque density.

Solismotor Industry Demand

Technical Challenges

01: Achieving High Torque Density in a Compact Structure
Delivering higher torque output and stronger peak driving capability within limited space and weight constraints.

02: Improving Precision Transmission and Positioning Accuracy
Reducing backlash, friction, and transmission errors to enhance joint motion accuracy and repeat positioning performance.

03: Ensuring Thermal Stability Under Dynamic Loads
Optimizing motor thermal paths and heat dissipation to maintain stable output during continuous, high-frequency motion.

04: Enabling Precise Multi-DOF Joint Coordination
Improving joint dynamic response and control accuracy for synchronized multi-axis motion and smooth complex movements.

05: Balancing Performance, Lightweight Design, and Energy Efficiency
Optimizing torque, weight, size, and power consumption at the system level to improve overall robot efficiency and endurance.

Solismotor Solutions

System Solution Architecture

Humanoid Robot Joint Drive System Architecture

Control System
Motion Controller
Joint Drive System
Robotic Joint Mechanism

Humanoid Robot Motor Control System
- High-performance main controller
- Real-time operating system
- Algorithms and motion planning
Servo Drives / Motion Controllers
- High-performance servo drives
- Multi-axis motion control
- Real-time communication and feedback processing
Joint Drive Systems
Planetary Joint Motors
- High Torque Density
- Compact & Lightweight Design
- High Dynamic Response
Hollow Joint Motors
- Hollow Shaft Design
- Integrated Cable Routing Optimization
- Space-Saving Installation
High-Precision Encoder Systems
- High-Resolution Feedback
- High-Accuracy Position Detection
- Stable & Reliable Performance
Robot Mechanical Joint Structure
- Lightweight Mechanical Structure
- High Strength & Rigidity
- Precision Machining & Assembly
- Multi-Degree-of-Freedom Flexible Motion