The maximum power of the supercharged CNG engine is equivalent to that of the original gasoline engine, with certain improvement in low speed torque and fuel economy.

增压后天然气发动机的最大功率与原汽油机相当，低速转矩特性明显改善，同时发动机使用经济性也得到提高。

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It is pointed that the effect of fuel reduction is very significant if the power that drive vehicle at speed in the point of maximum reserve-power select to be the power for HEV fuel engine unit.

发现按原车后备功率最大值时所对应的车速所需的驱动功率作为HEV燃油发动机功率的选择依据，节油效果最显著。

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Restricting the engine maximum rotor speed based on nonlinear forecast was studied.

研究对发动机最大转速进行非线性预测限制的方法。

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