深度报告-20230720-国金证券-机器人行业研究_机器人灵巧手的发展历程及未来发展方向探讨_20页_2mb

Robotic Dexterous Hand Analysis Summary

Investment Logic

This report examines robotic dexterous hands, focusing on their evolution, classification, and future development directions. It highlights the integration of robotics with advanced mechanics for applications in automation and human-robot collaboration, with potential in emerging markets like humanoid robotics.

What is a Robotic Dexterous Hand?

A robotic dexterous hand is defined as a multi-fingered gripper with at least 3 fingers and 9 degrees of freedom, enabling flexible manipulation. It evolved through three stages:

• 1970s-1990s: Initial development with basic motor drives and tendon systems for simple grasping.
• 1990s-2010: Enhanced with embedded sensors and integrated systems for better perception and control.
• 2010-Present: Focus on simplification through underactuation to improve robustness and affordability.

Types of Robotic Dexterous Hands

Hands are categorized based on:

• Actuator Position: External (large, flexible but maintenance-intensive), internal (compact sensors but control challenges), mixed (balanced for force and size).
• Actuator Type: Motor-driven (standard, high performance), pneumatic (powerful but imprecise), hydraulic (similar issues), shape memory alloy (fast but limited lifespan).
• Transmission Method: Tendon-based (compact, low-cost but reduced precision), linkage-based (strong, precise but rigid), gear-based (efficient but complex).

Future Development Directions

Key trends include:

• Miniaturized actuators to reduce size and enhance sensor integration.
• Multi-sensory fusion for improved grasping and intelligence.
• Increased degrees of freedom to mimic human dexterity for complex tasks.

Investment Recommendations

Focus on core components like motors, sensors, reducers, and ball screws for growing market opportunities, with exposure to companies such as Mingshi Electric, Taobang Co., Ltd., Jiangsu Leili, Kelil Sensing, Hanwei Technology, Green Wave Harmonics, Du Huan Chuan Dong, Qin Chuan Machine Tool, and Hengli Hydraulic.

Risk Considerations

Face risks such as slower-than-expected humanoid robot growth, stagnation in domestic component replacement, and intensified market competition affecting profitability.