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    • 6. 发明申请
    • IMBALANCE RE-SYNCHRONIZATION CONTROL SYSTEMS AND METHODS
    • 不平衡重新同步控制系统和方法
    • US20130060449A1
    • 2013-03-07
    • US13223887
    • 2011-09-01
    • Andrew P. BagnascoSteven Ward MajorsIan J. Mac EwenScott Jeffrey
    • Andrew P. BagnascoSteven Ward MajorsIan J. Mac EwenScott Jeffrey
    • F02D28/00F02D41/30
    • F02D41/0085F02D41/1441F02D41/1454F02D2041/286
    • Fueling to one cylinder of an engine is selectively adjusted based on a correction associated with the cylinder. An instability module increments a counter value when the correction is equal to one of a first predetermined value and a second predetermined value and was previously equal to the other one of the first and second predetermined values. The instability module selectively generates a first indicator based on the counter value. A variance of imbalance values can be determined based on samples of an exhaust gas oxygen signal. Two variances are determined: one variance with adjustment based on the correction, one without adjustment based on the correction. A variance checking module selectively generates a second indicator based on the first and second variances. A re-synchronization module re-synchronizes the imbalance values with the cylinders, respectively, in response to generation of the first indicator and/or the second indicator.
    • 基于与气缸相关联的校正来选择性地调节对发动机的一个气缸的加油。 当校正等于第一预定值和第二预定值中的一个并且先前等于第一和第二预定值中的另一个时,不稳定性模块递增计数器值。 不稳定性模块基于计数器值选择性地生成第一指示符。 可以基于废气氧信号的样本来确定不平衡值的变化。 确定两个方差:一个方差与基于校正的调整,一个不根据校正进行调整。 方差检查模块基于第一和第二方差选择性地生成第二指示符。 响应于第一指示器和/或第二指示器的产生,重新同步模块分别将不平衡值与气缸重新同步。