人形机器人灵巧手行业深度报告：百花齐放，进化不止

Investment Rating - Industry Rating: Outperform the market [5] - Rating Change: Maintain [5] Core Insights - Dexterous hands are the core solution for humanoid robot end effectors, with current technology routes not converging and significant customization demands from downstream customers, giving an advantage to whole hand and module manufacturers [1][3] - Dexterous hands mimic human hands, integrating drive systems, transmission systems, and sensing systems, offering high flexibility but at a higher cost and lower reliability and maintainability compared to traditional grippers [1][3] - The report identifies three main trends in the development of dexterous hands: the coexistence of multiple technology routes, an increase in degrees of freedom and sensor usage, and the necessity for collaboration between manufacturers and external suppliers due to high R&D costs and long cycles [3][27] Summary by Sections Section 1: Dexterous Hands as Core Solutions - Dexterous hands are designed to flexibly manipulate objects and meet various operational needs, with Tesla's dexterous hand currently in its third iteration capable of performing complex tasks [13][15] - The key difference between dexterous hands and traditional grippers is the higher degree of freedom in dexterous hands, allowing for more complex grasping operations [1][19] Section 2: Core Systems of Dexterous Hands - The dexterous hand consists of three core systems: drive system, transmission system, and sensing system [27] - The drive system primarily includes electric, hydraulic, pneumatic, and shape memory alloy drives, with the electric drive being the mainstream solution [27][30] - The transmission system includes reducers, screws, and tendon systems, with planetary reducers and worm gearboxes being the most commonly used [27][46] - The sensing system comprises force/moment sensors, position sensors, and tactile sensors, which are crucial for providing feedback and enhancing the dexterous hand's functionality [27][75] Section 3: Development Trends of Dexterous Hands - The technology routes for dexterous hands are expected to remain diverse in the short term, with no convergence anticipated [3][92] - Future improvements in dexterous hands will likely include increased degrees of freedom and a rise in the usage of tactile sensors, which will enhance the overall value of the dexterous hand [3][92] - The high R&D investment and long development cycles necessitate collaboration between manufacturers and external suppliers, as dexterous hand development constitutes a significant portion of humanoid robot engineering [3][92] Section 4: Investment Recommendations - Companies such as Jiechang Drive, Longsheng Technology, Zhaowei Electromechanical, and Jiangsu Leili are highlighted for their potential in the dexterous hand market due to their innovative approaches and collaborations [8][4]