Digital Twin is a trending topic in manufacturing technology studies. It refers to the virtual representation of a physical object or system that simulates the behavior of the physical thing[1].

Personal Cognitive Digital Twins are virtual representation of  perception, understanding and cognitive behavior of real world people in Digital  environments (Amir Reza Asadi, Cognitive Ledger Project),  We considered five levels of automation in PCDTs and we aim to reach fully autonomous PCDTs in near future.

1.C. Koulamas and A. Kalogeras, “Cyber-Physical Systems and Digital Twins in the Industrial Internet of Things [Cyber-Physical Systems],” Computer, vol. 51, no. 11, pp. 95–98, 2018, doi: 10.1109/MC.2018.2876181.