convulsionism

Evaluation index system for disaster resistance capability of mine ventilation system;

矿井通风系统抗灾变能力评价指标体系

A dynamic ant colony algorithm with disaster;

具有灾变的动态蚁群算法

The resistant capability to disaster of ventilation system is of great importance in disaster rescue and ventilation system evaluation involving structure of ventilation system itself, personnel quality, and management level.

通风系统的抗灾变能力对于救灾和通风系统评价具有重要意义,通风系统抗灾变能力涉及通风系统结构、人员素质、管理水平等诸多因素,笔者根据矿井火灾的救灾、防灾具体情况及相关文献,选取了4类共22个指标建立了矿井通风系统抗灾变能力的模糊综合评价数学模型,给出了矿井通风系统抗灾变能力指标体系及分级界定值,采用模糊综合评价法对矿井通风系统抗灾变能力进行了分析。

A Catastrophe-based Parallel Genetic Algorithm;

一种基于灾变的多群体遗传算法

Mimicking the cataclysm of the evolution of eco-system,Cat.

模拟自然界中导致生物大规模灭绝的灾变现象,引入灾变的概念来保证解空间的多样性。

The sensitivity analysis and cataclysm are employed to improve the Genetic Algorithm for optimization of reactive power planning.

以年综合费用最小为目标,建立了考虑系统多负荷水平的配电网无功优化规划数学模型;提出了在灵敏度分析的基础上以负荷功率阻抗矩法确定补偿节点,利用灵敏度分析和灾变思想改进遗传算法的配电网无功规划优化方法;该方法加强了遗传交叉、变异操作的针对性,提高了算法的收敛速度;算例结果表明了其有效性和实用性。

Diversity Enhancing Genetic Algorithm(DEGA)is presented to prevent premature convergence of GA,which introduced the ideas of affinity from immune system and cataclysm from biologic evolution process.

引入免疫系统“亲和度”的概念和生物进化过程中的“灾变”概念,提出一种强多样性的遗传算法来克服早熟收敛。

Protective relaying and electric power system collapse prevention;

继电保护与电力系统灾变防治

Power system collapse is the result of cascaded outage,its damage is severe.

电力系统灾变,是事故连锁发生的汇集,后果十分严重。

Environmental events and catastrophes from the end of early pleistocene to the early stage of middle pleistocene;

早更新世末中更新世早期的环境事件与灾变