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In the integrated navigation system, unscented Kalman filter (UKF) has been widely used. Compared to traditional Kalman filter and extended Kalman filter, the UKF algorithm has improved in accuracy than Kalman filter. However, UKF has no strict mathematical proof, and when the order of the system increases, the error of UKF becomes larger, even cause divergence. In this paper higher order cubature...
To prevent cascading failure of complex networks more efficiently, the best preventive strategy for cascading failure model based on random-walk betweenness (RB) should be investigated. Limited resource cascading failure model based on RB is proposed, which can be used for comparison of different preventive strategies. By the invulnerability simulation in scale-free networks, the efficiency of 2 proposed...
According to the low pressure common-rail fuel system of dimethyl ether (DME) engine with controllable premix combustion, a new type of dimethyl ether common-rail injector has been developed, which can solve the problems about wear and leakage of plunger and barrel assembly in traditional fuel system. The hydraulic dynamic simulation model of the injector has been established. In order to find out...
Netlogo is a simulation tool based on Complex Adapt System, now it is used for lots of areas. This thesis uses the modeling thought from bottom to top, and discusses several key techniques based on Netlogo, then points out the real meaning for the army operation simulation, hopes to research a new idea for Muti-Agent modeling of battlefield.
Fiber-optic dispersion and its effect on optical transmission system are analyzed. The most commonly used dispersion compensation fiber (DCF) technology is studied in this article. Three schemes (pre-compensation, post-compensation, mix-compensation of dispersion compensation) of dispersion compensation with DCF are proposed. The simulation model of the WDM based on the Optisystem is presented according...
Aiming for the actual production of carbon enterprises, the optimization problem of master production scheduling in carbon enterprises was studied. With the purpose of minimizing production and inventory costs in planning horizon, the paper established an optimization model of master production scheduling by using the unit time earliness and tardiness penalty of products. The paper proposed the use...
This paper, beginning with studying the characteristics of the war from a complex system, in accordance with discrete events system modeling and simulation, respectively, from the basic discrete event system specification, as well as the architecture of the models and simulation engine two aspects, researched on modeling method based on DEVS war simulation models of complex systems architecture. Contribute...
We consider the problem of adaptive filtering and related derivative estimating for signals with uncertain dynamics this paper. Based on the control method of uncertain systems, a new algorithm is proposed. The theoretical analysis and a special form of filter are given. It is shown that the filter doesnpsilat depend on the unmodeled part of systemspsila dynamics and makes no assumptions regarding...
This article provides a whole design project of ATC simulating and teaching system, and presents the framework, the function and the module of ATC simulating software. Finally we will give you a solution of system. Shanghai Metro Line 3 is the prototype of this simulating teaching system, which is the base of multimedia and network teaching to achieve the platform of ATC teaching. The teaching and...
The model of integrated logistical supporting system contains large quantity of information about the reliability, maintainability and supportability. In order to simulate the maintenance operation status realistically, and consider the disturbance as much as possible, a high level model based on HLA for the integrated logistical supporting system is proposed with the corresponding modeling process,...
Trust mechanism always has two popular architectures: centralized fashion and distributed fashion. However, those two architectures are not well suited for multi-agent system since they cannot achieve the trust management autonomy. To achieve the trust management autonomy, the paper presents an autonomous reliable construction model based on Bayesian method. The presented model adopts the Bayesian...
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