An electrified railway system includes complex interconnections and interactions of several sub-systems. computersimulation is the only viable means for system evaluation and analysis. This paper discusses the diffic...
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An electrified railway system includes complex interconnections and interactions of several sub-systems. computersimulation is the only viable means for system evaluation and analysis. This paper discusses the difficulties and requirements of effective simulation models for this specialized industrial application;and the development of a general-purpose multi-train simulator. (C) 2002 Elsevier Science B.V. All rights reserved.
作者：
Li, JieZhang, ZongluYantai Vocat Coll
Elect Audiovisual Teaching & Expt Ctr Yantai 264670 Shandong Peoples R China Vocat Coll
Yantai Dept Elect & Elect Engn Yantai 264000 Shandong Peoples R China
This article attempts to effectively reduce the impact of active noise pollution on human life, and to make up for the traditional passive noise control technique. In low-frequency noise control, there are some shortc...
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This article attempts to effectively reduce the impact of active noise pollution on human life, and to make up for the traditional passive noise control technique. In low-frequency noise control, there are some shortcomings. The making of active noise control (ANC) technique, in low-frequency noise reduction, can achieve very good results. This article proposes a versatile dynamic noise control framework based on computer simulation and modeling. The research is mainly focused on the principle and application of versatile dynamic noise control framework. To accomplish this, a research method combining theoretical analysis, software simulation, and hardware realization is adopted. The derivation process of the adaptive algorithm (LMS algorithm, filter-XLMS algorithm, etc.) is introduced in detail, and the influencing factors of algorithm performance, a variable step size normalization algorithm based on relative error is proposed. Perform simulation calculations on various algorithms in MATLAB, analyze parameters such as step factor, filter order, etc., and the degree of influence on the algorithm's convergence speed and steady-state performance. Common command set software is used, the path adaptive identification is realized, and the program design of the versatile dynamic noise control framework is used. After completion of software and hardware debugging on the experimental platform of generalized comfort, the experimental equipment layout is completed. Using the additive random noise method, the adaptive offline modeling of the first path of the versatile dynamic noise control framework is realized. Finally, utilizing the experimental platform of generalized comfort, the adaptive ANC experiment of the single-channel filtered least mean square algorithm is conducted, then the experimental data are analyzed, and at last, the actual application effect of the versatile dynamic noise control framework is verified.
The A algorithm is proven to be one of the most,if not the most,used AI pathfinding algorithm in game development *** development effort is now focused on optimizing the A algorithm and applying it to solve real-world...
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The A algorithm is proven to be one of the most,if not the most,used AI pathfinding algorithm in game development *** development effort is now focused on optimizing the A algorithm and applying it to solve real-world *** this paper,we present a Museum Visitors Guide（MVG） application with the A pathfinding algorithm that helps museum visitors to make the most of their *** A algorithm is optimized in a number of ***,the shortest path between the visitor's current location and the goal art piece is dynamically produced in response to the changes of the exhibition floor ***,visitors are allowed to select multiple works of art that they want to see. The best path that our MVG finds out covers them ***, multiple optimum and load-balanced paths are discovered when there are multiple targets - a feature that is very useful for emergencies,e.g.,for firefighters to put out the *** demonstrate that our MVG is well functional,flexible,and even ready to migrate to hand-held mobile platforms,we will show the running results of our simulation in the end of this paper.
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