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求解可满足性问题的一种高效遗传算法
AN EFFICIENT GENETIC ALGORITHM FOR SOLVING SATISFIABILITY PROBLEM
【摘要】 本文将可满足性问题(SAT)转化为一个优化问题,应用遗传算法来求解.为了提高遗传算法的求解效率,我们提出并采用了一种新的个体进化策略.这种个体进化策略不能用简单的爬山过程来概括,它允许个体进行多次爬山.在求解随机3-SAT问题时,这种遗传算法表现了优于同类算法的良好性能.
【Abstract】 In this paper, satisfiability (SAT) problem is transformed into an optimization problem, we use Genetic Algorithms (GA) to solve it. To improve the performance of GA, we propose a new strategy of individual evolution. This kind of strategy is not similar to simple hill-climbing, for it allows individuals to " clirnb hill " more than one time. This kind of GA shows a better performance for solving random 3-SAT problem.
【关键词】 SAT问题;
遗传算法;
个体进化;
局部搜索;
回溯算法;
【Key words】 Satifiability (SAT) Problem; Genetic Algorithms (GA); Individual Evolution; Local Search; Backtracking Algorithm.;
【Key words】 Satifiability (SAT) Problem; Genetic Algorithms (GA); Individual Evolution; Local Search; Backtracking Algorithm.;
【基金】 国家攀登计划支持项目
- 【文献出处】 模式识别与人工智能 ,Pattern Recognition and Artificial Intelligence , 编辑部邮箱 ,1996年03期
- 【分类号】TP18
- 【被引频次】17
- 【下载频次】134