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您的检索式：作者名="Shangkui Yu"
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| 1 | Cu/Cu2O nanostructures derived from copper oxalate as high performance electrocatalyst for glucose oxidation显示文摘Porous nanomaterials are classified as a kind of materials with great potential for development in the field of electrocatalysis,but there is still room for further improve ment as catalysts.We develop a threedimensional(3D)porous structure of Cu/Cu2O as an electrocatalyst for the glucose oxidation reaction(GOR)using the method of calcining the precursor CuC2O4·2H2O in N2.The obtained porous Cu/Cu2O nanostructure can provide more opportunities for effective reactions between particles,which can explain their efficient electrocatalytic performance.Additionally,the as-synthesized Cu/Cu2O nanostructure exhibits outstanding electrocatalytic performance for the glucose,including good stability,excellent sensitivity and remarkable selectivity. | Guoqiang Yuan Shangkui Yu Ji Jie Chen Wang Qing Li Huan Pang | 2020 | Chinese Chemical Letters2020，31，7： | 1 |
| 2 | Design and Analysis of a 2-DOF Actuator with Variable Stiffness Based on Leaf Springs显示文摘Variable Stiffness Actuator(VSA)is the core mechanism to achieve physical human–robot interaction,which is an inevitable development trend in robotic.The existing variable stiffness actuators are basically single degree-of-freedom(DOF)rotating joints,which are achieving multi-DOF motion by cascades and resulting in complex robot body structures.In this paper,an integrated 2-DOF actuator with variable stiffness is proposed,which could be used for bionic wrist joints or shoulder joints.The 2-DOF motion is coupling in one universal joint,which is different from the way of single DOF actuators cascade.Based on the 2-DOF orthogonal motion generated by the spherical wrist parallel mechanism,the stiffness could be adjusted by varying the effective length of the springs,which is uniformly distributed in the variable stiffness unit.The variable stiffness principle,the model design,and theoretical analysis of the VSA are discussed in this work.The independence of adjusting the equilibrium position and stiffness of the actuator is validated by experiments.The results show that the measured actuator characteristics are sufficiently matched the theoretical values.In the future,VSA could be used in biped robot or robotic arm,ensuring the safety of human–robot interaction. | ShangKui Yang Peng Chen DongQi Wang Yi Yu YuWang Liu | 2022 | Journal of Bionic Engineering2022，19，5： | 0 |
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