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Method and device for ascertaining one or more starts of combustion in a cylinder of an internal combustion engine from a provided cylinder-pressure curve
Method and device for ascertaining one or more starts of combustion in a cylinder of an internal combustion engine from a provided cylinder-pressure curve
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机译:根据提供的气缸压力曲线确定内燃机气缸中一个或多个燃烧开始的方法和装置
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摘要
A method for determining a point in time of a start of combustion in a cylinder of an internal combustion engine includes: providing a base compression pressure model which gives a curve of a compression pressure in the cylinder as a function of the operating point; adjusting the base compression pressure model using measured cylinder pressures of at least one operating state of the internal combustion engine at points in time at which no combustion is taking place in the cylinder, in order to obtain an adjusted compression pressure model; and determining a point in time of a start of combustion with the aid of a pressure curve determined by the adjusted compression pressure model.
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