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基于计算实验的公共交通需求预测方法 被引量:7
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作者 陈曦 彭蕾 李炜 《自动化学报》 EI CSCD 北大核心 2017年第1期60-71,共12页
一般来说,用于交通需求预测的数学模型往往缺少对出行个体微观水平上的异质性和可变交通情景的考虑.针对这些问题,本文提出了一种基于计算实验的公共交通需求预测方法.该方法主要由交通调查、基于Agent的人工交通系统(Artificial transp... 一般来说,用于交通需求预测的数学模型往往缺少对出行个体微观水平上的异质性和可变交通情景的考虑.针对这些问题,本文提出了一种基于计算实验的公共交通需求预测方法.该方法主要由交通调查、基于Agent的人工交通系统(Artificial transportation system,ATS)和计算实验3部分组成.在出行个体Agent建模中引入BDI(Belief-desire-intention)模型,来推演各出行个体在出行过程中对各交通选择的决策制定过程.在人工交通系统的基础上,可以设计并执行大量的计算实验来进行交通需求预测.本文通过基于校车系统的一系列交通调查和计算实验验证了该方法的可行性和优越性,并针对各种不同交通情景进行了交通分布预测和交通方式划分预测. 展开更多
关键词 计算实验 交通需求预测 基于Agent的建模与仿真 BDI(belief-desire-intention)模型
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基于多主体和前景理论的应急风险决策仿真研究 被引量:2
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作者 王剑 司徒陈麒 袁胜强 《系统仿真学报》 CAS CSCD 北大核心 2020年第3期353-361,共9页
针对多部门参与的突发事件应急风险决策的建模与仿真问题,提出了一种基于多主体和前景理论的仿真模型及仿真框架。通过引入Agent思想,描述了应急风险决策的多Agent体系结构模型,并对决策主体进行建模;通过引入前景理论思想,着重考虑了... 针对多部门参与的突发事件应急风险决策的建模与仿真问题,提出了一种基于多主体和前景理论的仿真模型及仿真框架。通过引入Agent思想,描述了应急风险决策的多Agent体系结构模型,并对决策主体进行建模;通过引入前景理论思想,着重考虑了随着突发事件的动态演化决策者心理状态变化对决策结果产生的影响。在此基础上,设计并实现了多Agent应急风险决策仿真框架。以石油化工厂火灾应急风险决策为例,验证了仿真模型及框架的有效性和可行性。 展开更多
关键词 多主体 BDI(belief-desire-intention) 前景理论 应急风险决策 建模与仿真
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AUV fuzzy neural BDI 被引量:1
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作者 LIU Hai-bo GU Guo-chang SHEN Jing FU Yan 《Journal of Marine Science and Application》 2005年第3期37-41,共5页
The typical BDI (belief desire intention) model of agent is not efficiently computable and the strict logic expression is not easily applicable to the AUV (autonomous underwater vehicle) domain with uncertainties. In ... The typical BDI (belief desire intention) model of agent is not efficiently computable and the strict logic expression is not easily applicable to the AUV (autonomous underwater vehicle) domain with uncertainties. In this paper, an AUV fuzzy neural BDI model is proposed. The model is a fuzzy neural network composed of five layers: input ( beliefs and desires) , fuzzification, commitment, fuzzy intention, and defuzzification layer. In the model, the fuzzy commitment rules and neural network are combined to form intentions from beliefs and desires. The model is demonstrated by solving PEG (pursuit-evasion game), and the simulation result is satisfactory. 展开更多
关键词 autonomous underwater vehicle fuzzy neural network belief-desire-intention pursuit-evasion game
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An Intelligent Agent Approach to Adaptive Project Management 被引量:1
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作者 I. Ourdev S. AbouRizk 《Tsinghua Science and Technology》 SCIE EI CAS 2008年第S1期121-125,共5页
This paper presents the initial steps to integrating a distributed discrete event simulation system with a framework for intelligent software agents. The resulting system has a simulation component that is based on th... This paper presents the initial steps to integrating a distributed discrete event simulation system with a framework for intelligent software agents. The resulting system has a simulation component that is based on the high-level architecture (HLA) and an agent component that implements the belief-desire-intention (BDI) approach to agent modelling. The architecture is connected to a real-time information source. The framework was successfully applied to a real-life monitoring system for a tunnel-boring machine excavation project that helped with forecasting and managing the project timelines in response to the changes in the uncertain excavation environment. This project is presented as a test case and demonstrates encouraging results for integrative modelling of large-scale problems with elements of uncertainty. 展开更多
关键词 intelligent agents adaptive project management belief-desire-intention (BDI) high-level architecture (HLA) excavation project discrete event simulation Bayesian modelling uncertainty
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Designing Negotiating Agent for Automated Negotiations
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作者 FENG Yuqiang CAO Mukun LEI Ying 《Tsinghua Science and Technology》 SCIE EI CAS 2005年第z1期817-823,共7页
Traditional research in automated negotiation is focused on negotiation protocol and strategy.This paper studies automated negotiation from a new point of view, proposes a novel concept, namely negotiating agent, and ... Traditional research in automated negotiation is focused on negotiation protocol and strategy.This paper studies automated negotiation from a new point of view, proposes a novel concept, namely negotiating agent, and discusses its significance in construction of automated negotiation system, with an abstract model formally described and the architecture designed, which supports both goal-directed reasoning and reactive response. A communication model was proposed to construct interaction mechanism used by negotiating agents, in which the negotiation language used by agents is defined.The communication model and the language are defined in a way general enough to support a wide variety of market mechanisms, thus being particularly suitable for flexible applications such as electronic business. The design and expression of the negotiation ontology is also discussed. On the base of the theoretical model of negotiating agent, negotiating agent architecture and negotiating agent communication model (NACM) are explicit and formal specifications for the agents negotiating in an E-business environment; especially, NACM defines the negotiation language template shared among all agents formally and explicitly. The novelty of the communication model is twofold. 展开更多
关键词 automated negotiation belief-desire-intention model AGENT knowledge query and manipulation LANGUAGE (KQML) foundation for intelligent physical AGENT (FIPA) AGENT communication LANGUAGE (ACL) ontology
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