The Hardware In the Loop Simulation (HILS) is very necessary to assist the modern control system development, so studying HILS system for PCU is very important.

• 硬件在环仿真（HILS）技术是现代控制系统设计开发的必要手段，硬件在环仿真系统的研究对HEV动力总成控制单元开发具有十分重要的意义。