ENGINEAI SA01 Bipedal humanoid robot

  • Fully open-source hardware and software architecture, enabling global collaboration and customization.

  • Straight-knee gait design for natural and efficient bipedal movement.

  • Built with aerospace-grade aluminum alloy for strength and lightweight performance.

  • Multi-sensor perception system with depth cameras, LiDAR, and IMU for autonomous navigation and environment understanding.

  • High-performance dual compute architecture (Intel + NVIDIA) for real-time AI control and planning.

  • Modular design supports expansion (e.g., adding robotic arms, peripheral sensors).

  • Comfortable 2-hour battery life with quick-swap high-capacity battery pack.

  • Ideal for robotics R&D, machine learning testing, academic projects, simulation validation, and prototyping.

Description

Product Specifications

 

Specification Category Details
Product Name ENGINEAI SA01
Product Type Humanoid robot / Bipedal platform
Manufacturer EngineAI Robotics
Platform Open-Source Yes — hardware & software
Primary Use Cases Research, education, industrial R&D, automation
Launch / Availability Launched July 2024
Overall Height ~1700 mm (approx)
Weight ~40 kg
Structural Material Aerospace-grade aluminum alloy
Degrees of Freedom (DoF) 12 total (legs & joints)
Gait Style Self-developed straight-knee gait
Compute Architecture Dual processors (NVIDIA + Intel)
Perception Systems Intel RealSense depth cameras, 360° LiDAR, IMU, HD cameras
Power & Battery 15 Ah / 54.6 V quick-swap battery
Battery Runtime ~2 hours
Motion Control Reinforcement learning & adaptive gait algorithms
Mobility Speed ~1 m/s walking (approx)
Max Torque (Joint) ~160 Nm (hip/knee)
Operating Temp Range –20 °C to 55 °C
Load Capacity ~10–15 kg payload (approx)
Connectivity Wi-Fi, Ethernet, USB ports
Software Support ROS / ROS2, Python & C++ SDKs
Customization/Expansion Modular (add arms, sensors, custom payloads)
Typical Power Consumption (Walking) <200 W

The ENGINEAI SA01 is built on a fully open-source design, with complete access to its hardware architecture and system interfaces. This transparency empowers developers, researchers, and institutions to customize, modify, and expand the robot according to specific project requirements.

Designed with flexibility at its core, the SA01 allows users to reconfigure its mechanical structure and seamlessly integrate compatible modules, including robotic arms and additional sensors, to extend its functional capabilities. This modular approach makes the platform ideal for a wide range of robotics applications, from academic research to advanced prototyping.

By embracing an open-design philosophy, the SA01 enables research teams to gain an in-depth understanding of its core technologies and internal structure. Users can freely experiment with hardware configurations, test innovative concepts, and develop custom solutions, making the robot a powerful platform for hands-on learning, rapid innovation, and real-world experimentation across diverse scenarios.

The ENGINEAI SA01 features fully open-source motion control algorithms and a transparent software framework, giving users complete access to the robot’s core control logic. Developers can freely modify, optimize, or replace individual algorithm modules to meet specific research or application goals.

The platform allows users to deploy self-developed control strategies directly onto the physical robot, enabling real-world testing and validation beyond simulation environments. This direct deployment accelerates development cycles and ensures practical performance evaluation.

By open-sourcing its control strategies, SA01 significantly lowers the entry barrier for algorithm development and experimentation. Researchers and engineers can study the principles of bipedal locomotion and balance control by exploring the source code, making it easier to understand complex dynamics and quickly begin building custom locomotion, gait, and motion-planning algorithms.

Self-Developed Straight-Knee Gait Technology

 

The ENGINEAI SA01 is powered by a high-performance drive system and intelligent motion control algorithms that deliver outstanding dynamic performance. Its bionic leg design, featuring six degrees of freedom per leg, enables a natural and energy-efficient self-developed straight-knee gait that closely mimics human movement.

Advanced real-time balance and stability control allow the robot to maintain smooth, reliable motion during acceleration, sudden stops, and rapid directional changes. Even when exposed to external disturbances, the SA01 adapts instantly to remain stable and upright, making it an ideal platform for bipedal locomotion research, gait optimization, and real-world robotic testing.

ENGINEAI SA01 , open-source bipedal humanoid robot
ENGINEAI SA01 , open-source bipedal humanoid robot

Full-Stack, Self-Developed High-Performance Joint System

 

The ENGINEAI SA01 is equipped with fully self-developed, integrated joint modules designed for high power, precision, and reliability. Each hip and knee joint delivers an impressive peak torque of up to 160 Nm, allowing the robot to perform high-load and dynamic movements with confidence and stability.

The advanced joint architecture features dual absolute magnetic encoders, enabling fast and accurate position recovery even after power interruptions. This ensures consistent motion control and reduces system downtime. Built-in multi-layer safety protection mechanisms further enhance operational reliability, making the SA01 a robust and dependable platform for humanoid robotics research, high-performance motion control, and real-world experimentation.

Full-Stack, Self-Developed High-Performance Joint System

 

The ENGINEAI SA01 is powered by independently developed, fully integrated joint modules engineered for strength, precision, and durability. With a peak torque of 160 Nm at both the hip and knee joints, the robot confidently supports high-load tasks and dynamic motion scenarios.

Each joint is designed with dual absolute magnetic encoders, allowing the system to instantly and accurately restore joint positions after power loss. This intelligent design minimizes recalibration time and ensures consistent motion accuracy. To further enhance reliability, every joint integrates multiple built-in safety protections, delivering stable, dependable performance for long-term operation in humanoid robotics research, motion control testing, and real-world deployment.

Aerospace-Grade Aluminum Alloy Construction

The ENGINEAI SA01 features a frame and outer shell crafted from aerospace-grade aluminum alloy, delivering outstanding structural strength while significantly reducing overall weight. This advanced material selection enhances durability without compromising mobility, allowing the robot to perform dynamic movements with greater efficiency.

High-Strength Protective Housing

The robot’s precision-engineered aluminum exoskeleton improves overall stability and structural integrity. Its high-strength housing safeguards critical internal components from impact, stress, and environmental challenges, ensuring consistent and reliable performance even during intensive operation and demanding real-world conditions.

ENGINEAI SA01 , open-source bipedal humanoid robot

High-Capacity Quick-Release Battery System

The ENGINEAI SA01 is powered by a 15Ah / 54.6V high-energy-density lithium battery, designed to support long-duration and continuous operation. Its quick-release, hot-swap design allows users to replace the battery in seconds, minimizing downtime and keeping research and testing workflows running smoothly.

This high-capacity power system delivers stable voltage output and reliable energy performance, making it ideal for extended experiments, high-load motion tasks, and real-world robotic applications where uninterrupted operation is essential.

ENGINEAI SA01 , open-source bipedal humanoid robot
EngineAI
EngineAI

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