The response characteristics revealed that HCCI combustion by NVO was insensitive to some engine operation conditions.Adjusting the injection strategies can enhance the robustness of HCCI combustion.

• 发动机的响应特性显示，由NVO实现的HCCI燃烧对部分边界调节不敏感，通过调节喷油策略能够提高HCCI燃烧的鲁棒性。