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2020年11月26日

【期刊论文】基于社会群体搜索算法的机器人路径规划

冯翔, 马美怡, 施尹, 虞慧群

计算机研究与发展,2013,50(12):2543-2553

2013年12月15日

摘要

机器人学是现在及未来科技发展的重点,路径规划是机器人学中的一个重要课题.生物界一些群居动物有严格的等级制度和职责分工,受社会群居动物行为启发,提出社会群体搜索算法(social group search algorithm, SGSO).社会群体搜索算法对群体的分类及信息反馈机制——领导-追随机制的制定,降低了早熟的概率,交叉变异和淘汰机制的引入增加了搜索范围,减少了陷入局部最优的可能.同时,对提出的社会群体搜索算法进行了分析,从理论上证明了算法的收敛性;将社会群体搜索算法应用于机器人路径规划进行仿真,从实验中验证了算法的有效性,并与遗传算法和粒子群算法比较,进一步证明了社会群体搜索算法在机器人路径规划问题中的有效性和高效性.

机器人路径规划, 社会群体搜索算法, 社会行为, 遗传算法, 粒子群优化

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2015年05月05日

【期刊论文】Behavioral Modeling With New Bio-inspired Coordination Generalized Molecular Model Algorithm

冯翔, Francis C.M. Lau, 虞慧群

Information Sciences,2013,252(12):1-19

2013年12月10日

摘要

Social Networks (SN) is an increasingly popular topic in artificial intelligence research. One of the key directions is to model and study the behaviors of social agents. In this paper, we propose a new computational model which can serve as a powerful tool for the analysis of SN. Specifically, we add to the traditional socio metric methods a novel analytical method in order to deal with social behaviors more effectively, and then present a new bio-inspired model, the coordination generalized molecule model (CGMM). The proposed analytical method for social behaviors and CGMM are combined to give an algorithm that can be used to solve complex problems in SN. Traditionally, SN models were mainly descriptive and were built at a very coarse level, typically with only a few global parameters, and turned out to be not sufficiently useful for analyzing social behaviors. In this work, we explore bio-inspired analytical models for analyzing social behaviors of intelligent agents. Our objective is to propose an effective and practical method to model intelligent systems and their behaviors in an open and complex unpredictable world.

Social networks (, SN), , Social behavior, Social coordination, Coordination generalized molecule model (, CGMM),

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2020年11月25日

【期刊论文】Behavioral Modeling With New Bio-inspired Coordination Generalized Molecular Model Algorithm

冯翔, Francis C.M. Lau, 虞慧群

Information Sciences,2013,252(12):1-19

2013年11月10日

摘要

Social Networks (SN) is an increasingly popular topic in artificial intelligence research. One of the key directions is to model and study the behaviors of social agents. In this paper, we propose a new computational model which can serve as a powerful tool for the analysis of SN. Specifically, we add to the traditional sociometric methods a novel analytical method in order to deal with social behaviors more effectively, and then present a new bio-inspired model, the coordination generalized molecule model (CGMM). The proposed analytical method for social behaviors and CGMM are combined to give an algorithm that can be used to solve complex problems in SN. Traditionally, SN models were mainly descriptive and were built at a very coarse level, typically with only a few global parameters, and turned out to be not sufficiently useful for analyzing social behaviors. In this work, we explore bio-inspired analytical models for analyzing social behaviors of intelligent agents. Our objective is to propose an effective and practical method to model intelligent systems and their behaviors in an open and complex unpredictable world.

Social networks(SN), Social behavior, Social coordination, Coordination generalized molecule model(, CGMM),

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2020年11月25日

【期刊论文】 TSP湖水能量优化算法

冯翔, 马美怡, 虞慧群

计算机研究与发展,2013,50(9):2015-2027

2013年09月15日

摘要

冬季湖面冰冻是一种常见的自然现象.受这一自然现象启发,提出了一种新的智能并行算法——湖水能量优化算法,并应用该算法解决旅行商问题.湖水能量优化算法模拟湖水降温时湖面的冰冻过程.随着温度的降低,湖水分子失去能量,当能量达到冰冻阈值时,分子析出结冰.湖水能量受到湖水中心能量、大气能量、湖水分子能量以及湖面风吹动等多方面影响.由此建立湖水能量优化算法的数学模型——湖水能量模型和风动模型等,并通过收敛性定理和Lyapunov稳定性定理进行理论证明,验证了算法的收敛性和解决旅行商问题的有效性.最后,通过实验模拟湖水能量优化算法解决TSPLIB中标准实例问题,并将实验结果与其他经典算法进行比较,进一步说明了湖水能量优化算法解决复杂NP难题时高效率、低迭代次数及强收敛性的特性.

湖水能量优化, 冰冻模型, 启发式算法, 分布并行算法, 旅行商问题

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2015年05月05日

【期刊论文】A New Economic Generalized Particle Model for Flow Control

冯翔, Francis C.M. Lau

Computer Networks,2010,54(3):506-524

2010年06月01日

摘要

The problem of bandwidth allocation in computer networks can be likened to the supply–demand problem in economics. This paper presents the economic generalized particle model(EGPM) approach to intelligent allocation of network bandwidth. EGPM is a significant extension and further development of the generalized particle model (GPM)[1]. The approach comprises two major components: (1) dynamic allocation of network bandwidth based on GPM; and (2) dynamic modulation of price and demands of network bandwidth. The resulting algorithm can be easily implemented in a distributed fashion. Pricing being the network control mechanism in EGPM is carried out by a tatonnement process. We dis-cuss the EGPM’s convergence and show that the approach is efficient in achieving the global Pareto optimum. Via simulations, we test the approach, analyze its parameters and compare it with GPM and a genetic-algorithm-based solution.

Intelligent bandwidth allocation, Economic generalized particle model(, EGPM), , Price and demands dynamic modulation, Distributed and parallel algorithm, Dynamical process, Computer networks

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    华东理工大学,上海

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