Behavioral dynamics theory and safety monitoring methods for intelligent systems
Online published: 2025-01-25
Copyright
Artificial intelligence (AI) is increasingly being employed in the field of network security, yet the deployment of AI techniques faces significant challenges due to their inherent black-box nature and the complexity of real-world applications. While a variety of platforms and tools have been developed to monitor the security of AI algorithms, merely securing the intelligent algorithms is inadequate to ensure the stable operation of the intelligent systems as a whole due to the influence of the intricate environment within intelligent systems and the coupling between multiple AI algorithms, which presents new changes to their safety. To address these issues, it is essential to monitor the security of intelligent systems in real time during deployment to ensure stable operation. Aiming at the safety monitoring problems faced by intelligent systems, firstly, the definition of security within intelligent systems was clarified, and societal problems that could be traced back to the security challenges of intelligent systems in the real world were identified. Then proceeding from the perspective of complex system theory, the micro and macro behavioral dynamics for intelligent systems along with the corresponding monitoring methods were introduced. Lastly, a case study of monitoring intelligent systems for robot swarm control from the real-world application scenarios was presented, and the potential future research directions were proposed. The development and research into theories and methodologies for monitoring the safety of intelligent systems are crucial for effectively identifying and preemptively discovering the potential risks and security flaws during the deployment phase, which serves as a vital component in achieving trustworthy AI algorithms and is of significant importance in realizing safe AI.
LI Simin , WANG Jiakai , LIU Aishan , LIU Xianglong . Behavioral dynamics theory and safety monitoring methods for intelligent systems[J]. Journal of Cybersecurity, 2024 , 2(6) : 86 -97 . DOI: 10.20172/j.issn.2097-3136.240606
表 1 MAPPO算法的训练参数Table 1 Hyperparameters for MAPPO algorithm |
| 参数类型 | 参数名 | 设置值 | 含义 |
| 环境 | difficulty | 7 | 攻击者内置策略难度系数 |
| obs_all_health | True | 观测是否包含全部智能体生命值 | |
| obs_own_health | True | 观测是否包含智能体自身生命值 | |
| reward_death_value | 10 | 攻击者的单位被击杀时给予的奖励值 | |
| reward_defeat | −200 | 被攻击者被击败时的奖励值(负值) | |
| reward_negative_scale | 1 | 用于缩放负值奖励的比例 | |
| reward_scale_rate | 20 | 用于缩放奖励的比例 | |
| reward_win | 200 | 被攻击者击败攻击者时的奖励值(负值) | |
| state_last_action | True | 状态信息是否包括智能体的上一次动作 | |
| 算法 | lr | 0.000 5 | 学习率 |
| gamma | 0.99 | 用于计算预期奖励的折扣率 | |
| hidden_dim | 64 | 隐藏层神经元数 | |
| grad_norm_clip | 10 | 梯度裁剪阈值 | |
| add_value_last_step | True | 在计算每个episode的累计奖励时,是否使用最后一步的价值估计 | |
| entropy_coef | 0.01 | 熵系数,用于策略的熵正则化项 |
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