中文摘要：

从自治与可控制的角度提出一种支持策略和规则的agent模型，该模型采用三层次政策想法来体现政策对主体的控制、导向作用，进而体现出驱动的作用。针对政策控制的三个特点，形式化地阐述了模型的语法、语义及相应的公理系统；通过PLAN、OBL、ABILITY、GOAL、NORM五个模态算子描述了agent的决策过程，并通过一个例子说明了模型的表达能力。最后比较分析了支持策略和规则的agent模型与传统agent模型的特点。

英文摘要：

Form the angle of autonomy and controllability, this paper proposed a novel model of agent which was based on strategy and rule, and adopted the idea of three-tier policy which plays the role of guiding and controlling the behavior of agent, and finally embodied the feature of driven. This paper explained the model＇ s syntax and semantics by focusing on the three characteristics of the policy, after introducing five modal operators such as PLAN, OBL, ABILITY, GOAL, NORM, it described the decision-making process of agent and then gave an example to show the description power of the model. At last, it analyzed the characteristics of the new model and the traditional model.