The ROBSTRIDE04 is a high-performance integrated quasi-direct drive (QDD) joint actuator module designed for modern robotics and dynamic motion control systems. Featuring a 9:1 reduction ratio and efficient FOC (Field-Oriented Control) driving method, it delivers a rated torque of 40 N.m and a powerful peak torque of up to 120 N.m. Built with a 42-pole motor design, dual magnetic encoders (14-bit resolution), and a wide operating voltage range of 15–60V, the ROBSTRIDE04 offers smooth motion, high dynamic response, and accurate feedback for demanding robotic applications.

Key Features

• Quasi-Direct Drive Architecture: 9:1 gear ratio provides high dynamic response, compliance, and backdrivability for legged and interactive robotics.

• High Torque Density: Delivers 40 N.m rated torque and up to 120 N.m peak torque at a manageable weight of 1420g.

• Advanced FOC Driver & High Efficiency: Driven by 3-phase Field-Oriented Control with 42 motor pole pairs for maximum efficiency and smooth torque output.

• Dual 14-bit Magnetic Encoders: Features high-resolution dual magnetic encoders ensuring precise position and velocity feedback.

• Wide Voltage Range: Supports 15V to 60V (48V nominal voltage) for flexible power system configuration.

• Fast Communication & Control: Supports high-speed 1Mbps communication baud rate with bi-directional rotation (CW/CCW).

Applications

• Quadruped & Humanoid Robots: High torque density and backdrivability make it ideal for dynamic leg and arm actuators in walking or running robots.

• Exoskeleton Systems: Smooth low-gear-ratio response provides compliant, safe assist forces for human augmentation.

• Collaborative Robotic Arms & Manipulators: Perfect for joint drives requiring impact force absorption and back-drivable force control.

• High-Dynamic Automation: Suitable for dynamic pan-tilts, agile turntables, and custom high-torque motion platforms.