An Overview of Research on the Modeling of Hybrid Tracked Vehicles for Virtual Testing of Mobility Performance

The series hybrid electric transmission tracked armored vehicle integrates the technologies such as integrated diesel generator power, composite energy storage, and electro-mechanical transmission, demonstrating significant battlefield advantages in the field of modern military equipment. It forms an important developmental foundation for future all-electric tracked armored vehicles. System modeling is a critical link of the virtual testing process. The key system and component models of hybrid electric tracked armored vehicles are reviewed from three core tasks, i.e., the analysis of power grid operating characteristics, the energy management and coordinated control and the mobility performance assessment and optimization, in the virtual testing of vehicle mobility performance. The modeling methods and applicable scenarios of various models are elaborated, categorized, and summarized by reviewing the existing pertinent literatures. Finally, the challenges and potential development directions in transitioning from simulation to virtual testing are discussed. The mobility performance virtual testing task-driven model of hybrid electric tracked armored vehicles includes multiple subsystem models, among which the key component models have different levels of complexity and dimensionality. When the virtual test of mobility performance is conducted, it is essential to balance the model complexity and response speed according to task requirements, while ensuring the integration of data flow and operational process among the models.