Human-in-the-loop Simulation and Testing Platform

Multi-level simulation architecture combining hardware-in-the-loop testing with software simulation environments to create comprehensive validation platform for autonomous and connected vehicle technologies.

• Hardware Integration: Real vehicle on chassis dynamometer with CAN bus data acquisition and powertrain control
• Virtual Environment: CARLA and Unity-based 3D simulation environments with realistic traffic scenarios
• Co-simulation Framework: Integration of vehicle dynamics, traffic flow, and human driver models in unified platform
• Multi-Human Support: Simultaneous multiple human drivers in shared virtual scenarios via networked simulation
• Real-time Communication: V2V and V2I communication protocols with realistic network delay modeling
• Validation Methods: Comparative analysis between simulation and real-world driving data for algorithm validation

DiL platform flowchart

DiL platform powertrain optimization

DiL platform vehicle dynamics optimization

Game engine-based simulation for driver personalization studies

Successfully demonstrated comprehensive simulation platform capabilities across multiple vehicle types and scenarios, with validated improvements in energy efficiency and driving behavior modeling.

• PHEB Eco-Operation: 13-15% fuel consumption reduction through coordinated vehicle-powertrain optimization
• Real-time Performance: Achieved stable co-simulation with <10ms latency for human-in-the-loop interactions
• Multi-Human Validation: Successfully tested up to 8 simultaneous human drivers in shared virtual scenarios
• Personalization Validation: P-ACC algorithm testing showed 93.4% reduction in driver takeover frequency
• Traffic Integration: Seamless integration with SUMO/VISSIM traffic models for realistic scenario testing
• Hardware Validation: Dyno-in-the-Loop testing validated across passenger cars, transit buses, and electric vehicles