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    • 3. 发明申请
    • ESTIMATING ENGINE SYSTEM PARAMETERS BASED ON ENGINE CYLINDER PRESSURE
    • 基于发动机气缸压力估算发动机系统参数
    • US20120330575A1
    • 2012-12-27
    • US12442158
    • 2007-10-05
    • Olaf WeberJohn ShuttyWolfgang Wenzel
    • Olaf WeberJohn ShuttyWolfgang Wenzel
    • G01M15/08G06F19/00
    • F02D41/22F01N3/0821F02B37/18F02B37/24F02D35/023F02D41/0007F02D2041/288F02D2200/025F02D2200/0408F02D2200/0416Y02T10/144Y02T10/40
    • A method includes sensing pressure within an engine cylinder, and estimating at least one other engine system parameter based on the sensed pressure. Another method includes designing an engine system, which includes one or more engine cylinder pressure sensors and one or more other engine system sensors. According to this method, the engine system is operated, and engine cylinder pressure is sensed using the engine cylinder pressure sensors, which are in communication with an engine cylinder of an engine of the engine system. Also, other engine system parameters are sensed to obtain at least one other engine system parameter using the other engine system sensors. The engine cylinder pressure is correlated to the at least one other engine system parameter, and engine cylinder pressure is used to replace or augment the at least one other engine system parameter that correlates to the engine cylinder pressure.
    • 一种方法包括感测发动机气缸内的压力,以及基于感测到的压力来估计至少一个其它发动机系统参数。 另一种方法包括设计包括一个或多个发动机气缸压力传感器和一个或多个其它发动机系统传感器的发动机系统。 根据该方法,发动机系统被操作,并且使用与发动机系统的发动机的发动机气缸连通的发动机气缸压力传感器感测发动机气缸压力。 此外,感测其它发动机系统参数以使用其它发动机系统传感器获得至少一个其它发动机系统参数。 发动机气缸压力与至少一个其它发动机系统参数相关联,并且发动机气缸压力用于替换或增加与发动机气缸压力相关的至少一个其它发动机系统参数。