Recently, through the docking of national and international scientific and technological cooperation resources in Beijing, the International Science and Technology Cooperation Project of the Ministry of Science and Technology, undertaken by Beijing University of Aeronautics and Astronautics, Beijing International Aerospace Cooperation Base, “Key Technology Research on Aerospace Robot Under-Driven Smart Hands†passed the expert group acceptance.
The project cooperated with the University of Cassino in Italy to achieve technological breakthroughs in the design of under-actuated finger mechanisms, grasping dynamic stability analysis methods, stable grasping motion planning methods, hybrid non-holonomic constrained system motion planning and robust control. And carried out more thorough experimental research around relevant key technologies, and developed a three-finger underactuated and four-finger underactuated dexterous hand with light weight, energy saving, low cost, simple control and easy operation. This technology has far-reaching engineering practical significance. It has been promoted for the research and development of low-cost and high-reliability industrial robots . It has completed the aluminum electrolysis anode carbon block cleaning robot workstation and has been adopted by many domestic aluminum electrolysis enterprises to save the enterprise. The production cost is about 10 million yuan / year / set.
Figure 1 Three fingers underactuated dexterous hands
Figure 2 Four fingers underactuated dexterous hands
Figure 3 Aluminum electrolytic anode carbon block cleaning underactuated robot workstation
Control impedance PCB
Many customers asked us what information we need for impedence control PCB.Here,there are two types for PCB manufacturer,a is single impedance ,just one trace ,two holes .and b is differential impedance,it always go with 1 pair (two trace with same width and space). For single impedance,you just tell us the trace width one which layer and what value you require .For differential impedance,trace width/space,layers and value. Our experience engineers will calculate following your instruction with Polar software.We may change trace width/space or stackup ,but please do not worry, if any changes,we will send you to approve before proceeding. Generally,the tolerance is 10%,and more accurate is 8% .All impedance boards ,we will test here and report.
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