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Aimed at the problem that it is easy for buses to roll in the extreme-turn conditions, the paper finished a series of analysis. First, bus turning driving dynamics model was established based on the effect of suspension motion on roll angle. In the extreme-turn conditions Roll stability and critical roll angle threshold were analyzed, and formulas of roll angle prediction and roll angle threshold...
This paper provides a classification of in-pipe robots or robotic mechanisms in literature with the help of axiomatic design theory (ADT). The existing classification of these designs focuses on either their mobility or contact of the robot with the pipe inner surface. Such classification fails to provide a framework to guide the design of such robots. In this paper, we first propose a new approach...
A shearer designed by coal company's was taken as a project object, rigid-flexible coupled models of the whole shearer were established based on multi-domain modeling and simulation technology, The technical problems about how to calculate the shearer's loads, how to add the loads on the whole shearer and how to set the simulation solver parameters had been discussed. From the simulation results,...
Fluorophlogopite glass ceramic and medium carbon steel were turned on lathe. Machining surface of glass ceramic and tool wear surface were observed with scanning electronic mecroscope. Surface roughness was measured with profile meter. Three cutting force components, including axial force, radial force, and major cutting force, were measured with Kistler piezoelectric dynamometer. Compared with metal...
The research of the impact of safety regulation on the operation of enterprise is difficult, because the acquirement of data is different and research cycles are too long. To solve these issues, the paper imports the idea of multi-agent model to build a virtual platform using computer technology, and then research these issues with this platform. This paper proposes a multi-agent model which contains...
In order to meet the design requirements and characters, the optimum mathematical model of a light carry truckpsilas diaphragm spring clutch is established to decrease its size as far as the engine torque is reliably transferred. The truckpsilas clutch design is optimized by MATLAB optimum toolbox. The 3-D model of the optimized results is established by Pro/E and the finite element analysis is carried...
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