基于多智能体和合同网的虚拟企业伙伴选择

Partner selection of virtual enterprise based on multi-agent and contract-net technology

合作伙伴的选择是虚拟企业组建和运行的关键,通过引入多智能体和合同网的概念,提出了一种基于企业目标和任务调度的动态伙伴选择模型。该模型首先将企业的总目标分解为一组子目标,并由盟主Agent向候选盟员Agent发布企业需求信息;然后盟主Agent与有意参与投标的盟员Agent进行谈判协商,并采用多属性效用理论对所有候选盟员进行评估,确定最优的合作伙伴。当所有候选盟员都不满足要求时,系统将对企业的目标体系和约束条件进行修改,重新进行伙伴的选择。最后以大型水轮机设计伙伴选择为例,叙述了该伙伴选择模型的具体应用。

Selecting appropriate partners is crucial for the organization and operation of virtual enterprise. A model for the partner selection of virtual enterprise based on enterprise's goal and task was presented by employing multi-agent and contract-net technology. To make use of this model, the leader of the alliance divided the enterprise's goals into sub-goals, and released the requirements of the enterprise, then negotiated with the members of the alliance about the cooperation issues, and chose the most appropriate member as partner by using multi-attribute utility theory. If all alliance members could not meet the requirements of the enterprise, the enterprise's goal and the constrained functions should be modified in order to choose the appropriate partner again. Lastly, to illustrate how to make use of this model, an example was given, which introduced how to choose the appropriate design partners of the heavy-duty hydraulic turbine.