Papers by Author: Hua Zhou

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Authors: Shao Jie Jiang, Hua Zhou, Xuan Liu
Abstract: For the actual needs of fishery production, a rope tension sensor and measuring system with the traceability of changes of fishing cargo weight is designed. Thus the amount of fishing cargo can be evaluated accurately and the blinded operation is avoided.
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Authors: Shao Jie Jiang, Hua Zhou, Wei Wang
Abstract: In centerless grinding machine, piston pin is not convenient for online detection. It is better to be tested and sorted by automatic sorting mechanisms. The piston pin automatic sorting system designed in the paper is a machine based on the detection results to shunt qualified product, nonconforming product and waste automatically. Graph of movement, tree graph of function and morphological matrix charts are mapped, the mechanical movement scheme is determined. Further, the machine is drawn in three-dimensional form. It can shunt product automatically
2241
Authors: Xuan Liu, Li Jie Zhao, Hua Zhou
Abstract: Using molecular dynamics method, the progress of bonding single-wall carbon nanotubes and metal electrodes by ultrasonic nanowelding technique is described completely at atomistic length scales. The temperature distribution in electrodes is analyzed. The maximal temperature of electrode atoms is about 570.1K. The mechanism responsible for ultrasonic nanowelding is revealed as the result of the high-frequency ultrasonic energy softening the metal and causing plastic deformation of the metal under the clamping stress because of the ‘acoustic softening effect’. The ultrasonic parameter is optimized, which is important in improving the performance of carbon nanotube field-effect transistors and building reliable nanodevices.
3928
Authors: Qing Song Hu, Juan Chen, Hua Zhou
Abstract: This paper proposes a physics-based cruising speed model for biomimetic robotic fish propelled by the passive plastic foil actuator. Inspired by biological body and fins, a plastic foil with suitable rigidity and innovative structure are designed to acquire better propelling effect. The model captures the speed based on the analysis of the interaction between the tail and the water which considers the hydrodynamics. Experimental results have shown that the proposed model is able to predict the steady-state cruising speed of the robotic fish under a periodic actuation input. Since most of the model parameters are expressed in terms of fundamental physical properties and geometric dimensions, the model is expected to be beneficial in optimal design of the robotic fish.
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