Human-like Agents with diverse and dynamic personality could serve as an important design probe in the process of user-centered design, thereby enabling designers to enhance the user experience of interactive application.In this article, we introduce Evolving Agents, a novel agent architecture that consists of two systems: Personality and Behavior. The Personality system includes three modules: Cognition, Emotion and Character Growth. The Behavior system comprises two modules: Planning and Action. We also build a simulation platform that enables agents to interact with the environment and other agents. Evolving Agents can simulate the human personality evolution process. Compared to its initial state, agents' personality and behavior patterns undergo believable development after several days of simulation. Agents reflect on their behavior to reason and develop new personality traits. These traits, in turn, generate new behavior patterns, forming a feedback loop-like personality evolution.In our experiment, we utilized simulation platform with 10 agents for evaluation. During the evaluation, these agents experienced believable and inspirational personality evolution. Through ablation and control experiments, we demonstrated the outstanding effectiveness of agent personality evolution and all modules of our agent architecture contribute to creating believable human-like agents with diverse and dynamic personalities. We also demonstrated through workshops how Evolving Agents could inspire designers.

翻译：人类般具有多元动态人格的智能体，可作为以用户为中心设计过程中的重要设计探针，从而使设计者能够增强交互应用的用户体验。本文提出了"进化智能体"这一新型智能体架构，该架构包含两个系统：人格系统与行为系统。人格系统包含认知、情感和性格成长三个模块；行为系统由规划与行动两个模块组成。我们同时构建了一个模拟平台，使智能体能够与环境及其他智能体进行交互。进化智能体可模拟人类人格的演变过程。相较于初始状态，经过数日模拟后，智能体的人格与行为模式会发生可信的发展。智能体通过反思自身行为进行推理并发展出新的人格特质，这些特质进而生成新的行为模式，形成类似反馈回路的人格演化机制。在实验中，我们采用包含10个智能体的模拟平台进行评估。评估期间，这些智能体经历了可信且具有启发性的性格演化过程。通过消融实验和对照实验，我们证明了智能体人格演化的显著有效性，且我们架构中的所有模块均有助于创造具有多元动态人格的可信类人智能体。我们还通过工作坊展示了进化智能体如何为设计者提供灵感。