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    ENGINE TORQUE CONTROL WITH COMBUSTION PHASING
    2.
    发明申请
    ENGINE TORQUE CONTROL WITH COMBUSTION PHASING 有权
    发动机扭矩控制与燃烧相关

    公开(公告)号：US20160363059A1

    公开(公告)日：2016-12-15

    申请号：US14735653

    申请日：2015-06-10

    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

    Inventor： Jun-Mo Kang ,  Orgun A. Guralp ,  Sai S.V. Rajagopalan ,  Hanho Yun ,  Chen-Fang Chang ,  Paul M. Najt

    IPC: F02D29/02 ,  F02P5/153

    CPC classification number: F02D35/028 ,  F02D29/02 ,  F02D35/023 ,  F02D35/024 ,  F02P5/00 ,  F02P5/1512 ,  F02P5/153

    Abstract: An engine assembly includes an internal combustion engine with an engine block having at least one cylinder and at least one piston moveable within the at least one cylinder. A crankshaft is moveable to define a plurality of crank angles (CA) from a bore axis defined by the cylinder to a crank axis defined by the crankshaft. A controller is operatively connected to the internal combustion engine and configured to receive a torque request (TR). The controller is programmed to determine a desired combustion phasing (CAd) for controlling a torque output of the internal combustion engine. The desired combustion phasing is based at least partially on the torque request (TR) and a pressure-volume (PV) diagram of the at least one cylinder.

    Abstract translation: 发动机组件包括具有发动机缸体的内燃机，所述发动机缸体具有至少一个缸体，并且至少一个活塞可在所述至少一个气缸内移动。 曲轴可移动以从由气缸限定的孔轴线到由曲轴限定的曲柄轴线限定多个曲柄角（CA）。 控制器可操作地连接到内燃机并且被配置为接收扭矩请求（TR）。 控制器被编程以确定用于控制内燃机的扭矩输出的期望的燃烧定相（CAd）。 期望的燃烧定相至少部分地基于至少一个气缸的扭矩要求（TR）和压力 - 体积（PV）图。

    Engine control using calculated cylinder air charge
    6.
    发明授权
    Engine control using calculated cylinder air charge 有权
    发动机控制使用计算的气缸充气

    公开(公告)号：US09482164B2

    公开(公告)日：2016-11-01

    申请号：US14672321

    申请日：2015-03-30

    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

    Inventor： Hossein Javaherian ,  Shifang Li ,  Yiran Hu ,  Jun-Mo Kang ,  Chen-Fang Chang

    IPC: F02D23/00 ,  F02D41/00 ,  F02D41/18 ,  F02B37/12 ,  F02D9/00 ,  F02B33/36 ,  F02B33/38

    CPC classification number: F02D41/0007 ,  F02B29/0406 ,  F02B33/36 ,  F02B33/38 ,  F02B37/127 ,  F02B37/18 ,  F02D9/00 ,  F02D23/00 ,  F02D41/0072 ,  F02D41/18 ,  F02D41/182 ,  F02D2200/0402 ,  F02D2200/0406 ,  F02D2200/0414 ,  F02M26/05 ,  F02M26/06 ,  F02M26/23 ,  Y02T10/144 ,  Y02T10/47

    Abstract: A system includes a turbocharged engine, sensors, and a controller. The engine includes an engine intake manifold, air intake manifold, a compressor, a first aftercooler device, a throttle that admits cooled compressed air to the engine intake manifold, and cylinders. The sensors determine engine status signals and include a first manifold pressure (MAP) sensor positioned with respect to the first aftercooler device, a second MAP sensor positioned with respect to the engine intake manifold, a mass airflow (MAF) sensor positioned in the air intake manifold, a first manifold temperature (MAT) sensor positioned in the engine intake manifold, and a second MAT sensor positioned between the first aftercooler device and the throttle. The controller executes a method to calculate a cylinder air charge using an oxygen level of post-combustion gasses and the engine status signals, and controls an operation of the engine using the calculated air charge via engine control signals.

    Abstract translation: 一种系统包括涡轮增压发动机，传感器和控制器。 发动机包括发动机进气歧管，进气歧管，压缩机，第一后冷器装置，允许冷却的压缩空气到发动机进气歧管的油门和气缸。 传感器确定发动机状态信号，并且包括相对于第一后冷器装置定位的第一歧管压力（MAP）传感器，相对于发动机进气歧管定位的第二MAP传感器，定位在进气口中的质量气流（MAF）传感器 歧管，定位在发动机进气歧管中的第一歧管温度（MAT）传感器和位于第一后冷器装置和节气门之间的第二MAT传感器。 控制器执行使用后燃气体的氧水平和发动机状态信号来计算气缸空气充量的方法，并且经由发动机控制信号使用计算的空气充量来控制发动机的操作。

    Variable second injection control for internal combustion engine assemblies
    9.
    发明授权
    Variable second injection control for internal combustion engine assemblies 有权

    公开(公告)号：US09982624B1

    公开(公告)日：2018-05-29

    申请号：US15410039

    申请日：2017-01-19

    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

    Inventor： Jun-Mo Kang ,  Hanho Yun

    IPC: F02D41/30 ,  F02D41/40 ,  F02D41/04 ,  F02D41/00 ,  F02D41/14 ,  F02M35/10

    CPC classification number: F02D41/402 ,  F02D41/0072 ,  F02D41/144 ,  F02M35/1038

    Abstract: Disclosed are multi-pulse fuel delivery control systems, methods for using such systems, and motor vehicles with engines employing multi-pulse fuel injection schemes. A fuel delivery control system is disclosed with fuel injectors that selectively inject multiple pulses of fuel per working cycle into cylinders of an engine. An engine sensor detects an operating condition of the engine, and an exhaust gas recirculation (EGR) sensor detects a state of an EGR system coupled to the engine. An engine control unit is programmed to: determine, from the detected EGR state, a current intake burned gas fraction; determine, from the detected engine operating condition, a desired intake burned gas fraction; determine a secondary fuel mass injection adjustment based on the desired and current intake burned gas fractions; and command the fuel injectors to inject two fuel pulses into each cylinder per working cycle, with the second pulse modified based on the determined adjustment.

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