Digital Twin

Last updated 2026.02.13
디지털트윈Digital Twin예지보전Predictive Maintenance스마트팩토리Smart Factory시뮬레이션AI제조AI

Definition

Digital Twin is a virtual replica of physical products, equipment, production lines, or entire factories in digital space. It continuously synchronizes with its physical counterpart through real-time sensor data and is utilized for simulation, monitoring, prediction, and optimization purposes.

Applications in Manufacturing

Predictive Maintenance

  • Real-time sensor data (vibration, temperature, pressure, etc.) from actual equipment reflected in digital twin
  • Combined with AI-based failure prediction models to detect equipment anomalies in advance
  • Optimize maintenance timing to minimize unplanned downtime

Production Process Optimization

  • Simulate various production scenarios in virtual environment
  • Validate effects of process parameter changes before actual implementation
  • Derive solutions for reducing defect rates and improving productivity

New Product Development & Validation

  • Performance testing in digital environment before physical prototype production
  • Review design for manufacturability (DFM) according to design changes

Key Points

Integration with AI maximizes the value of digital twins. Machine learning algorithms learn from accumulated operational data to provide more accurate predictions and optimization solutions. Automotive manufacturers have achieved 15% cycle time reduction through AI-based trajectory optimization using welding robot digital twins.