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Research and Implementation of Automatic Layout Algorithm for Multi-domain Model

Author: LvLiuYan
Tutor: ZhangWeiGuo;WangBoXing
School: Huazhong University of Science and Technology
Course: Digital design and manufacturing
Keywords: In many fields Layout Wiring Divide Maze Algorithm
CLC: TP301.6
Type: Master's thesis
Year: 2009
Downloads: 19
Quote: 1
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Abstract


Graphical modeling is based on a multi- domain modeling language Modelica modeling . Established graphical modeling of multi - domain model , manual layout . Very complex multi - domain model , manual layout time-consuming and tedious layout automation is an urgent demand . This paper studies the automatic layout of multi - domain model , placement and routing algorithms for multi- domain model . Firstly, the layout of objects in a multi - domain model layout problem , layout constraints and layout target abstract layout problem of multi- domain model rules rectangular geometry of two-dimensional layout problems , and solving the problem should follow the basic principles. For multi - domain model layout of multi-objective multi- constraint features , the thesis layout using a heuristic layout method : fast to construct an initial layout for iterative improvement of the initial layout . The initial layout of the construction process using hierarchical division , the layout of the results can be visually reflects the hierarchy of the multi- domain model . Iteration based on certain rules, in order to reduce the the wiring cross and take the point as the goal, to make the layout more beautiful . Based multi- domain model wiring layout . The wiring wiring using a single-step strategy , using a grid model for the representation of the routing area . Improved maze routing algorithms based on grid model . The cost function of the algorithm fully consider the length of the wiring , factors such as the inflection point and cross , to both ensure routability premise wiring aesthetics . Finally, the placement and routing algorithm integrated in multi- domain modeling platform MWorks and multi-body dynamics model conversion interface the algorithm .

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CLC: > Industrial Technology > Automation technology,computer technology > Computing technology,computer technology > General issues > Theories, methods > Algorithm Theory
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