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The paper researches on the largest domestic hydraulic excavator whose bucket capacity is 15m3 and weight is 260 tons, which is developed by Tai Yuan Heavy Industry Co., Ltd. The work time and energy consumption of swing mechanism amounts to high proportion in the whole working cycle of hydraulic excavator. Consequently, it is very important to accurately grasp dynamic characteristics of slewing system...
This paper develops a water load simulator based on impedance control for control design of a wave maker, i.e., this simulator is used to simulate the load acting on the paddle of the wave maker when making waves. In common control design, external loads are often treated as disturbance and are hence ignored in the system model. However, if the load is too large and beyond the system capacity (e.g...
F1-ATPase, a rotary motor enzyme, can catalyse ATP hydrolysis in which the central γ-subunit ratates inside the α3β3 cylinder. Here, a four-state catalytic model of F1-ATPase is studied in which we think that the ATP hydrolysis and synthesis are ATP-dependent and ADP/Pi-dependent, respectively. The results show that the catalytic ratation mechanism of F1-ATPase is affected distinctly by the ATP/ADP/Pi...
The design of quadruped trotting robot is considered as an example of a complex mechatronic system. This is used to illustrate some of the challenges in developing mechatronic systems, and how dynamic models can be used to communicate between design groups and with suppliers. The importance of having a common simulation platform for design activities is argued. The platform must also support model...
As a means of biometric identification, gait analysis has attracted much attention in both research and industry. Most methods focus on human posture identification, tracking and medicine treatment assistant. Few methods, however, investigate the relationship between the load carried by an individual and the characteristics of his/her gait. In this paper, we present a method to estimate the weight...
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