METHOD AND APPARATUS FOR EMISSIONS MITIGATION ON A HYBRID VEHICLE

    公开(公告)号:US20210129825A1

    公开(公告)日:2021-05-06

    申请号:US16671945

    申请日:2019-11-01

    Abstract: A system for emissions mitigation for a hybrid automobile vehicle includes an automobile vehicle provided with motive power from: a battery pack; an engine; and a controller in communication with the battery pack and the engine. A threshold battery pack state-of-charge (SOC) is predetermined. A minimum battery pack SOC is less than the threshold battery pack SOC. An engine-on charge depletion (EOCD) command is issued by the controller to start the engine in an engine-catalyst light-off operation condition when the vehicle is operating using power from the battery pack and when the threshold battery pack state-of-charge (SOC) is reached to mitigate against exceeding vehicle emissions standards.

    Method and apparatus for controlling a multi-mode powertrain system
    54.
    发明授权
    Method and apparatus for controlling a multi-mode powertrain system 有权
    用于控制多模动力系统的方法和装置

    公开(公告)号:US09216727B2

    公开(公告)日:2015-12-22

    申请号:US14153231

    申请日:2014-01-13

    Abstract: A method for operating a multi-mode powertrain system includes executing a selection scheme to evaluate operating the powertrain system in a plurality of candidate powertrain states including a one-motor electric vehicle (EV) range responsive to an output torque request. A respective minimum cost for operating the powertrain system in each of the candidate powertrain states including the one-motor EV range is determined. A preferred powertrain state is selected as one of the candidate powertrain states including the one-motor EV range that is associated with a minimum of the respective minimum costs. The powertrain system is controlled in the preferred powertrain state responsive to the output torque request.

    Abstract translation: 一种用于操作多模动力系统的方法包括执行选择方案以评估在多个候选动力系状态下操作动力系统,包括响应于输出转矩请求的单电动机电动车辆(EV)范围。 确定在包括单电动机EV范围的每个候选动力系状态下操作动力系统的各自的最小成本。 优选的动力系状态被选择为包括与各自最小成本的最小值相关联的单电动机EV范围的备选动力系状态之一。 响应于输出扭矩请求,动力系统被控制在优选的动力系状态。

    Method and apparatus for controlling a multi-mode powertrain system to avoid an operating region
    55.
    发明授权
    Method and apparatus for controlling a multi-mode powertrain system to avoid an operating region 有权
    用于控制多模动力系统以避免操作区域的方法和装置

    公开(公告)号:US09193347B2

    公开(公告)日:2015-11-24

    申请号:US13967412

    申请日:2013-08-15

    Abstract: A powertrain system includes an engine coupled to a multi-mode transmission configured to transfer tractive torque to an output member coupled to a ground wheel. A method for operating the powertrain system includes identifying an undesirable operating region for the multi-mode transmission associated with driveline growl including an input torque range and an output torque range. In response to a command to traverse the undesirable operating region from a first operating region to a second operating region, a fast engine torque transition is executed including controlling the engine as a fast-adjusting torque actuator to control input torque from the engine to the multi-mode transmission and correspondingly controlling motor torque from a torque machine to the multi-mode transmission to maintain output torque from the multi-mode transmission responsive to an output torque request while traversing the undesirable operating region from the first operating region to the second operating region.

    Abstract translation: 动力系统包括联接到多模式变速器的发动机,其配置成将牵引力传递到联接到地砂轮的输出构件。 用于操作动力系统的方法包括识别与包括输入扭矩范围和输出扭矩范围的传动系统grow相关联的多模传动的不期望的操作区域。 响应于从第一操作区域到第二操作区域横穿不期望的操作区域的命令,执行快速的发动机扭矩转换,包括将发动机控制为快速调节扭矩致动器以控制从发动机到多缸的输入转矩 并且相应地控制从扭矩机到多模式变速器的电动机转矩,以响应于输出转矩请求而保持来自多模式变速器的输出转矩,同时穿过从第一操作区域到第二操作区域的不期望的操作区域 。

    METHOD AND SYSTEM FOR CONTROLLING A HYBRID VEHICLE
    56.
    发明申请
    METHOD AND SYSTEM FOR CONTROLLING A HYBRID VEHICLE 有权
    用于控制混合动力车辆的方法和系统

    公开(公告)号:US20150232084A1

    公开(公告)日:2015-08-20

    申请号:US14185227

    申请日:2014-02-20

    Abstract: A method can be used to control a hybrid vehicle and includes the following steps: (a) receiving, via a control module, an input; (b) determining, via the control module, whether the hybrid vehicle is traveling on a highway based, at least in part, on a vehicle speed and an output torque request; (c) commanding, via the control module, the hybrid powertrain to switch from a charge-depletion mode to a blended mode if the hybrid vehicle is traveling on a highway; and (d) commanding, via the control module, the hybrid powertrain to use energy from the energy storage device via the electric motor-generator so as to maintain a substantially constant target state of charge (SOC) discharge rate.

    Abstract translation: 一种方法可用于控制混合动力车辆,并且包括以下步骤:(a)经由控制模块接收输入; (b)至少部分地基于车速和输出转矩请求,经由所述控制模块确定所述混合动力车辆是否在高速公路上行驶; (c)如果混合动力车辆在高速公路上行驶,则经由控制模块指示混合动力系统从电荷消耗模式切换到混合模式; 以及(d)经由所述控制模块通过所述电动发电机从所述能量存储装置通过所述混合动力系指示能量,以维持基本上恒定的目标充电状态(SOC)放电率。

    Control architecture for a multi-mode powertrain system
    57.
    发明授权
    Control architecture for a multi-mode powertrain system 有权
    多模动力总成系统的控制架构

    公开(公告)号:US09073544B2

    公开(公告)日:2015-07-07

    申请号:US13890670

    申请日:2013-05-09

    Abstract: A controller architecture for a vehicle including a multi-mode powertrain system includes an engine controller having a control routine for determining and executing engine torque commands responsive to a hybrid engine torque command, and a control routine for determining a propulsion axle torque command responsive to an output torque request. The controller architecture further includes transmission controller having a control routine for selecting and effecting operation of the passive transmission in a preferred gear responsive to the output torque request. The controller architecture further includes a hybrid controller having control routines for determining and executing torque commands for each of the non-combustion torque machines and for determining the hybrid engine torque command to achieve a desired axle torque in response to the propulsion axle torque command with the passive transmission operating in the preferred gear.

    Abstract translation: 一种用于包括多模动力系统的车辆的控制器架构,包括具有用于响应于混合发动机转矩指令来确定和执行发动机转矩指令的控制程序的发动机控制器,以及用于响应于所述控制程序确定推进轴转矩指令的控制程序 输出扭矩请求。 控制器架构还包括具有控制程序的变速器控制器,该控制程序响应于输出转矩请求,以优选档位选择和实现无源变速器的操作。 控制器结构进一步包括混合控制器,其具有用于确定和执行每个非燃烧转矩机的转矩指令的控制程序,并且用于确定混合发动机转矩指令,以响应于推进轴转矩指令来实现期望的轴转矩 无源变速器以优选档位运行。

    Method for predicting reactive clutch loads and preemptively adjusting line pressure
    58.
    发明授权
    Method for predicting reactive clutch loads and preemptively adjusting line pressure 有权
    用于预测无功离合器负载并提前调节线路压力的方法

    公开(公告)号:US08706371B1

    公开(公告)日:2014-04-22

    申请号:US13772667

    申请日:2013-02-21

    Abstract: A method for adjusting hydraulic line pressure applied to one or more clutch devices in an electro-mechanical transmission mechanically-operatively coupled to an internal combustion engine and at least one electric machine includes predicting a first plurality of powertrain parameters for an upcoming event. For each of a plurality of engine torques, a predicted output torque and a predicted clutch load are determined that minimize a total powertrain operating cost based on an operator torque request and the predicted first plurality of powertrain parameters. Hydraulic line pressure is adjusted based on the engine torque having a lowest powertrain operating cost among the plurality of available engine torques.

    Abstract translation: 一种用于调节施加到机械操作地耦合到内燃机和至少一个电机的机电变速器中的一个或多个离合器装置的液压管路压力的方法包括预测用于即将到来的事件的第一多个动力系参数。 对于多个发动机转矩中的每一个,确定预测输出转矩和预测的离合器负载,其基于操作者转矩请求和预测的第一多个动力系参数使总动力传动系运行成本最小化。 基于在多个可用发动机扭矩中具有最低动力传动系运行成本的发动机扭矩来调节液压管路压力。

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