Study on the Air - Fuel Ratio Controller for LPG Engine LPG发动机空燃比控制器的研究
Combined with control characteristics of engine air fuel ratio, the CMAC controller which is self adaptive to compensate fuel injection volume is studied. 结合发动机空燃比的控制特征,研究了一种能自适应补偿喷油量的CMAC控制器。
There is an extreme value characteristic between with heating efficiency and ratio of air / fuel, then a self-optimize fuzzy controller is designed, this has spread the application domain of fuzzy control. 加热炉热效率与空/燃比之间存在着极值特性,设计了空/燃比自寻优模糊控制器,拓展了模糊控制的应用领域。
Air and fuel controlling of this stove are realized by PI controller, and temperature controlling adopts self adaptive genetic fuzzy controller. 热处理炉空气、燃料的控制均采用遗传算法优化的PI控制,炉体温度控制采用自适应的遗传模糊控制器。
This paper also explicates the air fuel control strategy, and analyses the implement of closed loop control based on PI control and signal outputted from exhaust gas oxygen sensor, and make the design of the software for controller. 阐述了当前空燃比控制策略,分析了以氧传感器输出信号作为反馈,基于PI控制对LPG发动机进行空燃比闭环控制的具体过程并编写了控制软件。