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    • 3. 发明授权
    • Method for operating an internal combustion engine
    • 操作内燃机的方法
    • US07805237B2
    • 2010-09-28
    • US11983354
    • 2007-11-08
    • Thomas BoehmeWolfram GottschalkOlaf MagnorMichael SchnaubeltMatthias Schultalbers
    • Thomas BoehmeWolfram GottschalkOlaf MagnorMichael SchnaubeltMatthias Schultalbers
    • G05D1/00
    • F02D41/3035F02D11/105F02D41/1497F02D41/18F02D2250/18Y02T10/128
    • A method for operating an internal combustion engine having a combustion method with homogeneous auto ignition. A driver's demand, predetermined by the gas pedal, is converted into a desired torque to be given off by the engine. A reference charge value for the air charge is determined by a working-point-dependent lambda value (λopt) that can be predetermined. Based on this, a throttle valve position is set. Parallel to this, a desired torque is calculated for the fuel path with a reference lambda value, and an actual charge is calculated to yield a fuel amount to be injected. The reference lambda value results from an optimal lambda value for the mode of operation of homogeneous compression ignition, as long as the lambda value is within the rich and lean limits, respectively, of the combustion method of homogeneous compression ignition. The fuel mass is varied within the rich and lean limits to compensate dynamic processes.
    • 一种用于操作具有均匀自动点火的燃烧方法的内燃机的方法。 由加油踏板预先确定的驾驶员的要求被转换成由发动机发出的期望扭矩。 空气充电的参考电荷值由可以预定的工作点相关的λ值(λopt)确定。 基于此,设置节气门位置。 与此同时,对于具有参考λ值的燃料路径计算期望的扭矩,并且计算实际电荷以产生要喷射的燃料量。 参考λ值来自均匀压缩点火操作模式的最佳λ值,只要λ值分别在均匀压缩点火的燃烧方法的浓度和极限范围内。 燃料质量在丰富和贫乏的范围内变化,以补偿动态过程。