Planetary Joint Module

The High-Load Planetary Joint Module is designed to meet the demanding requirements of industrial robots, humanoid robots, and intelligent automation systems that require high torque output, precise motion control, and long-term operational reliability.

By integrating a high-performance planetary transmission system with advanced drive and control technologies, this joint module delivers strong load capacity, fast response, and accurate positioning performance. Its compact structure and intelligent control architecture make it suitable for robotic applications where space efficiency and mechanical performance are critical.

Key Product Advantages

Advanced Hardware FOC Control Technology

The joint module adopts full hardware FOC (Field-Oriented Control) technology combined with chip-level FPGA development. This advanced control system enables precise motor regulation, improved dynamic performance, and efficient power management.

The FPGA-based control architecture enhances processing capability and supports real-time control requirements for complex robotic movements.

Hollow Cabling Structure

The integrated hollow shaft design allows cables and communication lines to pass through the center of the joint module. This structure helps optimize robot design by reducing external wiring and improving internal space utilization.

Key benefits include:

• Cleaner cable arrangement

• Reduced cable interference

• Improved system reliability

• More compact robot architecture

High-Speed Triple-Loop Control

Featuring a triple-loop control system with current, velocity, and position loops operating at 20KHz frequency, the module provides rapid response and precise motion adjustment.

This high-speed control capability enables:

• Faster dynamic response

• Higher motion accuracy

• Improved stability during operation

• Better coordination between multiple joints

Flexible Communication Interfaces

The High-Load Planetary Joint Module supports EtherCAT and CANopen communication protocols, allowing seamless integration with various robotic controllers and industrial automation platforms.

These communication options provide reliable data transmission and flexible system compatibility for different application requirements.

High-Precision Feedback Acquisition

Equipped with a 16-bit ADC and 1MHz sampling rate, the module delivers accurate sensor data acquisition and real-time feedback processing.

High-resolution feedback improves:

• Position control accuracy

• Motion consistency

• System responsiveness

• Overall robotic performance

Integrated Power-Off Brake System

For enhanced operational safety, the joint module incorporates a pin-type power-off brake mechanism. When power interruption occurs, the brake can activate mechanical locking within less than 10ms.

This fast response design helps prevent unexpected movement and improves safety in high-load robotic applications.

Core Technology Features

The High-Load Planetary Joint Module adopts an integrated drive-control architecture that combines the motor, reducer, encoder, and electronic control system into a compact actuator unit.

Compared with traditional separated actuator structures, this integrated approach reduces system complexity while improving installation efficiency and reliability.

The product series offers multiple specifications to support different robotic requirements, including various size configurations for applications ranging from compact robotic systems to high-load industrial motion platforms.

With optimized structural design, low power consumption, and high mechanical efficiency, the module provides stable performance even under demanding operating conditions.

High-Performance Planetary Transmission Design

The advanced planetary gearbox structure provides excellent torque transmission capability and mechanical durability.

By optimizing internal gear engagement and load distribution, the module achieves:

• High torque output

• Improved transmission efficiency

• Reduced mechanical loss

• Enhanced durability under continuous loads

The precision transmission system ensures smooth operation and accurate positioning, making it suitable for robots requiring reliable force control and repeatable movement.

Applications

The High-Load Planetary Joint Module is widely used in:

• Humanoid robots

• Industrial robotic arms

• Collaborative robots

• Heavy-duty automation equipment

• Intelligent manufacturing systems

• Precision motion platforms

Combining high load capacity, intelligent control technology, and compact integrated design, this planetary joint module provides a reliable motion solution for next-generation robotic systems.