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    • 3. 发明公开
    • REAL-TIME RESIDUAL MASS ESTIMATION WITH ADAPTIVE SCALING
    • ECHTZEIT-RESTMASSENSCHÄTZUNGMIT ADAPTIVER SKALIERUNG
    • EP2959140A2
    • 2015-12-30
    • EP14710110.9
    • 2014-02-20
    • Robert Bosch GmbH
    • LARIMORE, JacobJIANG, LiHELLSTROM, ErikVANIER, JulienJADE, ShyamSTEFANOPOULOU, Anna
    • F02D41/00F02D35/02
    • F02D41/0062F02D35/028G01M15/042Y02T10/128Y02T10/47
    • Systems and methods are described for on-line, real-time estimation of a residual mass in an engine cylinder during HCCI combustion. The residual mass is estimated based on an estimated residual mass for a previous combustion cycle. A value of a first performance variable for the first combustion cycle is determined based only on engine data measured by one or more sensors. A value of a second performance is estimated based at least in part on the estimated residual mass for the first combustion cycle. An adaptive scaling factor is determining for the first combustion cycle based on the determined value of the first performance variable and the estimated value of the second performance variable. An adjusted residual mass for the first combustion cycle is then determined based on the estimated residual mass for the first combustion cycle and the adaptive scaling factor for the first combustion cycle.
    • 描述了系统和方法,用于在HCCI燃烧期间在线,实时估计发动机气缸中的残余质量。 基于先前燃烧循环的估计剩余质量来估计剩余质量。 仅基于由一个或多个传感器测量的发动机数据来确定用于第一燃烧循环的第一性能变量的值。 至少部分地基于第一燃烧循环的估计剩余质量来估计第二性能的值。 自适应缩放因子是基于第一性能变量的确定值和第二性能变量的估计值来确定第一燃烧循环。 然后基于第一燃烧循环的估计剩余质量和第一燃烧循环的自适应缩放因子来确定用于第一燃烧循环的经调节的残余质量。