Research Article
Privacy-Enhanced Intrusion Detection and Defense for Cyber-Physical Systems: A Deep Reinforcement Learning Approach
Table 1
Main symbols and meanings.
| Symbol | Meaning |
| CPS | Cyber-physical systems | IDD | Intrusion detection and defense | GCN | Graph convolutional network | VGAE | Variational graph autoencoders | TD3 | Twin delayed deep deterministic policy gradient | | Actor network | | Target actor network | | Critic network | | Target critic network | | Learning rate |
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