气体燃料发动机空燃比的H_∞控制  

Air-fuel Ratio Control of a Gaseous-fuel Engine Based on the Mixed-sensitivity Design

作　　者：薛金林[1] 鞠卫平[1] 高强[1] 

机构地区：[1]南京农业大学工学院,江苏南京210031

出　　处：《车用发动机》2006年第3期32-34,共3页Vehicle Engine

基　　金：江苏省农机基金资助(gxz04003)

摘　　要：在充分考虑外部干扰和系统模型不确定性的情况下,将混合灵敏度H∞设计引入多点喷射燃气发动机空燃比控制中,将发动机空燃比控制转化为H∞标准设计。仿真结果表明,H∞控制器具有良好的跟踪性、鲁棒稳定性和抗干扰能力。In case of outside disturbance and model uncertainty, this paper presents a design of a controller for AFR control on a multi-point injection gaseous-fuel engine with mixed-sensitivity de.sign theory, which transforms AFR control into a standard control problem. Simulation result shows that the designed controller has the satisfactory performances of tracking and robust stability, and disturbance rejection.

关 键 词：混合灵敏度 控制器 气体燃料发动机 空燃比 数学模型 

分 类 号：U464.174[机械工程—车辆工程]