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The interlinking converter in an AC/DC hybrid micro-grid plays a crucial role in the stable operation and power allocation of power system. A bidirectional droop control method for the converter is proposed, which measures the power demand degree of AC sub-grid and DC sub-grid according to AC bus frequency and DC bus voltage respectively, and determines the direction and magnitude of the converter...
Virtual simulation technology is applied to complex substation construction, the process is the dynamic simulation of the substation construction process. Finally, combining sound and text to explain the simulation process, it provides the information about the substation construction for builders. More important, it can be used to train the new employees for the substation construction. It can also...
Based on ABAQUS modeling platform, simplified modeling of pipeline interface in different directions of water supply network in KGWL zone was conducted, where finite element analysis was as the basic modeling approach. Then dynamic analysis was taken when a known seismic/earthquake wave was input. Through analysis of simulation results, the basis of earthquake damage on pipe interface was determined...
The aerodynamic characteristics of ordinary vehicle have been studied by lots of scholars, while few people pay enough attention to the motorcycle's aerodynamic characteristics. But as the requirements of laws and regulations for motorcycle's performance continues to increase and the motorcycle market develops, doing motorcycle's aerodynamic characteristics analysis is much more necessary now. In...
Under the guidance of the theories of Complex Adaptive System and Artificial Societies, modeling and simulation of international politics evolution in crisis was studied. The Model of International Politics Evolution (IPEM) in crisis based on Agent was built. The function and architecture of IPEM were introduced. Individual Agent, including Nation Agent, International Organization Agent and Environment...
The effectiveness evaluation of C4ISR is playing a more and more important role in its designing, developing and using. According to its characters, such as complexity and intelligence, the traditional evaluation methods and systems are not feasible and effective enough. In this paper, a multi-agent based simulation and evaluation framework of C4ISR is advanced, which includes the architecture and...
To solve those traffic accidents during conscious lane change of vehicles on highway under dangerous conditions, a new safety lane change model is established on the basis of the lane departure warning system which Jilin University has developed. This model is studied under a typical scenario on highway, and also considered with the actual driver behavior that most vehicles always accelerate during...
Under the pressure of air pollution and oil shortage of transportations, hydrogen as a renewable and clean energy gets more and more attentions from all over the world. Nowadays, for the cost and not matured technology of fuel cell stack, hybrid system becomes the best solution. For a 5-ton fuel cell hybrid electric bus discussed in this paper, high-pressure PEMFC and high-power NiMH battery pack...
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