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Download Dynamics and Design of Space Nets for Orbital Capture by Leping Yang, Qingbin Zhang, Ming Zhen, Haitao Liu PDF

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By Leping Yang, Qingbin Zhang, Ming Zhen, Haitao Liu

This publication covers the themes of theoretical ideas, dynamics version and set of rules, project research, procedure layout and experimental reports of area nets approach, aiming to supply an preliminary framework during this box and function a prepared reference for these . area nets process represents a vanguard box in destiny improvement of aerospace applied sciences. even if, it comprises new demanding situations and difficulties comparable to nonlinear and distorted nets constitution, advanced inflexible versatile coupling dynamics, orbital move of area versatile composite and dynamics keep an eye on. at present, no complete books on area nets dynamics and layout can be found, so power readers can get to grasp the operating mechanism, dynamics components, and challenge layout of the gap nets method from a chinese language perspective.

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Extra resources for Dynamics and Design of Space Nets for Orbital Capture

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Segment lij connects the ith and jth mass points. Each tether segment is assumed to be a semi-spring and damper, which can only bear tension. And each tether node can be flying weights j th net lij i th springs and dampers Fig.

40) are the state variable equations of the stress wave reflected and transmitted at the section between two cables. 2 Discussion of Several Cases As the above equations show, the ratios of the reflected wave and transmitted wave to the incident wave are mainly determined by the generalized impedance ratio a of the connected cables. Analysis of different a values is given in the following. (1) a ¼ 1 The generalized impedance of the connected cables matches each other, and ðq1 c1 A1 Þ ¼ ðq2 c2 A2 Þ ð2:41Þ According to Eqs.

The dynamic models of a cable proposed in this chapter can be applied in the dynamics and control of a flexible net. Chapter 3 Dynamics of Space Nets Abstract A lumped-mass model is established to investigate the deployment dynamics of the non-rotating space net. Then the net configuration, stress distribution, energy change during the deployment process and the effects of ejection parameters, orbit altitude, capture direction on net deployment are simulated and analyzed. The multi-objective optimization problem of net deployment is also addressed using MOEA/D algorithm (Multi-Objective Evolutionary Algorithm based on Decomposition), and several Pareto solutions are obtained.

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