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In this paper, circuit simulation was chosen as the main methodology to analyze the characteristics of an electromagnetic (EM) rail launcher (or EM railgun) system, and a complex simulation model was proposed, which was not merely built on the static electrical parameters. Moreover, practical physical processes contributed to the system have also been taken into consideration and expressed as electrical...
In this paper, a simulation model of an electromagnetic rail launcher system based on PSpice software is applied, in consideration of multi-physics factors, such as current skin effect, contact pressure and contact resistance on the contact surface of the armature and the barrel, velocity skin effect, friction drag and temperature coefficient of resistivity. Analyses were made on the effects of various...
This paper proposed an improved Chord model called AF-Chord, which is based on the adjusted constructor for Finger Table, and give out its routing algorithm. While constructing the Finger Table, we have considered the using of the redundancy table entries, and provide a improved routing algorithm. Through simulation experiment, we can prove that in the premise of a constant Finger Table capacity,...
Based on research of the phase plane division control method, according to the structure of wheel loader steer by wire system and its work condition, the fuzzy five states control system specially designed for wheel loader steer by wire system is introduced in this paper. To verify its performance, the controller was simulated in MATLAB/SIMULINK based on the model of wheel loader steer by wire system...
Local area wireless networks based on IEEE 802.11 have a cellular topology: Stations associate to one of several access points, which are connected using a wired backbone. As connectivity is only possible close to the access points, a dense infrastructure is needed, resulting in high costs. A Wireless Mesh Network (WMN) replaces the wired backbone by radio: Only few access points are installed; mesh...
Service-area specific optimization is a necessity for large-scale wireless networks. For this task, a model to estimate the quality of a radio network configuration is required. In the case of cellular radio networks, much work exists on models for Radio Network Planning (RNP). This work cannot be applied to optimize IEEE 802.11-based Wireless Mesh Networks (WMNs), as their multi-hop structure and...
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