TABLE 1.

Key Attributes of Concern for Generation of TDTs

AttributeDefinition
ReliabilityDigital twin’s ability to operate consistently and without errors
RobustnessDigital twin’s resilience to unexpected conditions and variations in operating environments
AccuracyPrecision with which digital twin represents its physical counterpart
UsefulnessDegree of benefit and practical value that digital twin provides to users
ValidationProcess of ensuring that digital twin meets specified requirements and expectations
VerificationConfirmation that digital twin operates correctly and produces accurate results
DeploymentProcess of implementing and putting digital twin into operational use
IntegrationCapability of digital twin to work together with other systems and technologies
ScalabilityAbility of digital twin to handle increased workloads or to be expanded
InteroperabilityAbility of digital twin to interact and communicate effectively with other systems and devices