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🤖 PND Adam-U Upper Body Robot

humanoid

Adam-U is a high-performance upper body robot specifically designed for desktop-level operations and experiments, integrating advanced hardware architecture with intelligent control algorithms. Its compact design features exceptional upper limb flexibility, environmental perception capabilities, and high-precision dynamic control performance, enabling the execution of complex operational tasks in structured experimental environments. It is widely applicable across various cutting-edge fields including scientific research experiments, industrial automation testing, medical assistance , and service robotics.


💡 Key Features

🦾 Mechanical System Architecture

  • Actuator System: Integrates 31 Quasi-Direct Drive (QDD) flexible force-controlled joints, enabling high dynamic precision control and multi-degree-of-freedom dexterous motion
  • Modular Architecture: Employs a fully modular actuator design, optimizing production and maintenance efficiency while adapting to rapid deployment requirements
  • Biomimetic Joint Design: Innovative biomimetic shoulder and elbow structures significantly enhance the robot's motion anthropomorphism and flexibility during complex operational tasks
  • Waist Brake System: Equipped with dual brake mechanisms in roll and pitch directions, balancing motion flexibility with static stability

🧠 Control System & Communication Architecture

  • PND-Network: Proprietary high-real-time communication protocol stack supporting the expansion and integration of multi-modal sensors such as vision cameras and force sensors, enhancing environmental perception and closed-loop control capabilities
  • Central Control Unit: Features an Intel NUC12WSKi7 processor and self-developed Robot Control Unit (RCU), managing robot joint actuation, power management, communication scheduling, and system monitoring
  • AI Computing Platform: Integrates the NVIDIA Jetson Orin NX 16GB embedded module, dedicated to high-performance AI inference, visual computing, and real-time decision-making tasks
  • Perception System: Equipped with a ZED MINI depth vision sensor, enabling high-precision 3D environmental modeling and real-time spatial positioning

🌀 Dynamic Balance & Motion Planning

  • WBC + MPC Algorithm Architecture: Utilizes a fused strategy based on Whole-Body Control (WBC) and Model Predictive Control (MPC), ensuring motion precision and stability in dynamic operational environments
  • ROS2 Humble Support: Fully compatible with the ROS2 Humble framework, providing comprehensive development interfaces and toolchain support

🔋 Energy & System Management

  • Intelligent Battery Management System (BMS): Integrates high-precision power monitoring and dynamic power distribution mechanisms, supporting sustained high-intensity task operation
  • System Energy Efficiency Optimization: Employs low-power hardware design and dynamic power management strategies, significantly improving overall operational endurance

📡 Communication & System Expansion

  • Multi-mode Communication Capability: Compatible with Wi-Fi 6, Bluetooth 5.0, Wired Ethernet, enabling high-bandwidth, low-latency remote operation and real-time debugging
  • Sensor Expansion Interface: PND-Network offers excellent interface expandability, supporting multi-source sensor fusion and system function customization

🌐 Application Fields

  • Scientific Research and Laboratory Scenarios: Suitable for high-precision automated experiments, robot algorithm testing, data acquisition, and analysis research tasks
  • Industrial Automation Testing: Executes complex operational tasks in areas such as precision assembly, quality inspection, and production process validation
  • Medical Assistance Research: Provides a reliable experimental platform for surgical robot development and rehabilitation training system research
  • Service Robot Development: Adapts to complex service scenario prototyping, such as collaborative robots and intelligent service systems

📊 Technical Specifications

Category Details
Model Adam-U
Height 1.35 - 1.77m adjustable
Main Unit Weight 26kg
Lifting Platform + Chassis[1] 48kg
Total DOF 31 DOF
Waist Brake 2 directions (roll + pitch)
Single Arm DOF Shoulder x3 + Elbow x1 + Forearm x1 + Wrist x2 + Dexterous Fingers x6 = 13
Waist DOF 3 DOF
Head DOF 2 DOF
Battery Capacity 1172W·h, Max Voltage 46.2V, Max Output Current 25A
Communication Wi-Fi 6, Bluetooth 5.0, Wired Ethernet
Control Algorithm High-robustness self-developed WBC + MPC control algorithms
Motion Control Computer NUC12WSKi7
Perception & AI Computer NVIDIA Jetson Orin NX 16GB
Perception Sensor ZED MINI
Head
Hand Dexterous Hand

[1]Counterweight Note: It is recommended to place 40kg counterweight in the chassis to maintain balance.


🧍‍♂️ Appearance Overview

🧩 Key Components

parts_name


⚙️ Hardware Architecture

Hardware Architecture


🧠 Control & Compute Modules

🧮 Motion Control Unit (Cerebellum)

Parameter Specification
Model NUC12WSKi7
CPU 12th Gen Intel Core i7-1260P
Core Count 12 Cores
Thread Count 16 Threads
Max Turbo Frequency 4.7GHz
Memory 16G
Memory Type DDR4 3200MHz
Cache 18MB
Storage 128G
GPU Intel® Iris® Xe Graphics
GPU Max Dynamic Frequency 1.40 GHz
Intel® Deep Learning Boost Yes
Intel® Adaptix™ Technology Yes
Intel® Hyper-Threading Technology Yes
Instruction Set 64-bit

🧬 Perception & Decision Unit (Brain)

Parameter Specification
Model NVIDIA Jetson Orin NX 16GB
AI Performance 100 TOPS
GPU 1024-core NVIDIA Ampere architecture GPU with 32 Tensor Cores
CPU 8-core Arm® Cortex®-A78AE v8.2 64-bit CPU, 2MB L2 + 4MB L3
Memory 16GB 128-bit LPDDR5, 102.4GB/s
Storage 128G M.2 SSD
Video Encode 1x 4K60 (H.265) · 3x 4K30 (H.265) · 6x 1080p60 (H.265) · 12x 1080p30 (H.265)
Video Decode 1x 8K30 (H.265) · 2x 4K60 (H.265) · 4x 4K30 (H.265) · 9x 1080p60 (H.265) · 18x 1080p30 (H.265)
Camera 2x MIPI CSI-2 D-PHY lanes
USB 4x USB 3.2 ports · 1x USB Type-C port
Display Interface 1x DisplayPort
Network Gigabit Ethernet
Other I/O 40-pin header (UART, SPI, I2S, I2C, PWM, GPIO) · 4-pin fan header, DC power jack
Dimensions 103x90x34 (mm)

🔩 Joint Parameters

🤖 Adam-U

Joint Name Actuator Model Limits (rad) Notes
shoulderPitch_Left/Right PND-50-14A-50-S +2.0420 ~ -3.6138 Positive backward, negative forward
shoulderRoll_Left/Right PND-50-14A-50-S Left: +2.7925 ~ -0.6283
Right: +0.6283 ~ -2.7925
Left: Positive outward, negative inward
Right: Positive inward, negative outward
shoulderYaw_Left/Right PND-30-14A-50-S ±2.5831
elbow_Left/Right PND-30-14A-50-S +0.2094 ~ -2.4958 Positive backward, negative forward
wristYaw_Left/Right PND-20-14A-50-S ±2.6704 Forearm rotation joint
wristPitch_Left/Right PND-20-08-50-S ±0.9599 Wrist pitch joint
wristRoll_Left/Right PND-20-08-50-S ±0.9599 Wrist roll joint
waistRoll PND-60-17-50-S ±0.2793 Equipped with brake
waistPitch PND-60-17-50-S +1.3614 ~ -0.8378 Positive forward, negative backward, equipped with brake
waistYaw PND-60-17-50-S ±0.8290
hand_Left/Right / / Dexterous hand joint
neckYaw PND-60-17-50-S ±1.0472 Neck yaw joint
neckPitch PND-60-17-50-S ±1.0472 Neck pitch joint

actuator_name

✋ PND Dexterous Hand

Joint Name Limit (rad) Notes
Thumb1_Left/Right 0.0873 ~ 1.5708 Abduction
Thumb2_Left/Right 0.4538 ~ 1.0821 Flexion
Index_Left/Right 0 ~ 1.5533 Flexion
Middle_Left/Right 0 ~ 1.5533 Flexion
Ring_Left/Right 0 ~ 1.5533 Flexion
Pinky_Left/Right 0 ~ 1.5533 Flexion

hands

The finger joints adopt a linear control mapping:

A control value of 0 corresponds to the joint being at the fully open position (i.e., the lower angle limit).

A control value of 1000 corresponds to the joint being at the fully closed position (i.e., the upper angle limit).


Last Updated: 2025-12-03