Managing lean air/fuel transients in coordinated torque control
    33.
    发明授权
    Managing lean air/fuel transients in coordinated torque control 失效
    在协调扭矩控制中管理贫气/燃料瞬态

    公开(公告)号:US07748362B2

    公开(公告)日:2010-07-06

    申请号:US12437193

    申请日:2009-05-07

    IPC分类号: F02P5/15

    摘要: An engine control system includes an air control module, a spark control module, a torque control module, a transient detection module, and a launch torque module. The air control module controls a throttle valve of an engine based on a commanded predicted torque. The spark control module controls spark advance of the engine based on a commanded immediate torque. The torque control module increases the commanded predicted torque when a catalyst light-off (CLO) mode is active, and increases the commanded immediate torque when a driver actuates an accelerator input. The transient detection module generates a lean transient signal when an air per cylinder increase is detected while the CLO mode is active. The launch torque module generates a torque offset signal based on the lean transient signal. The torque control module increases the commanded immediate torque based on the torque offset signal.

    摘要翻译: 发动机控制系统包括空气控制模块,火花控制模块,转矩控制模块,瞬态检测模块和发射扭矩模块。 空气控制模块基于指令的预测转矩来控制发动机的节气门。 火花控制模块基于指令的立即扭矩控制发动机的火花提前。 当催化剂熄灭(CLO)模式有效时,转矩控制模块增加指令预测转矩,并且当驾驶员启动加速器输入时增加指令的立即转矩。 当CLO模式有效时,当检测到每缸增加的空气时,瞬态检测模块产生稀薄瞬态信号。 发射扭矩模块基于稀薄瞬态信号产生扭矩偏移信号。 转矩控制模块基于转矩偏移信号增加指令的立即转矩。

    FULL RANGE TORQUE REDUCTION
    37.
    发明申请
    FULL RANGE TORQUE REDUCTION 有权
    全范围扭矩减少

    公开(公告)号:US20080243355A1

    公开(公告)日:2008-10-02

    申请号:US12027482

    申请日:2008-02-07

    IPC分类号: F02D45/00

    摘要: An engine control system comprises a torque request module, an immediate torque control module, an actuation module, and an expected torque control module. The torque request module generates an expected torque request and an immediate torque request. The immediate torque control module controls a spark advance of an engine based on the immediate torque request. The actuation module selectively reduces the expected torque request based on the immediate torque request and a spark capacity. The spark capacity is based on a difference between a first engine torque and a second engine torque, determined at a current airflow. The first engine torque is determined at a first spark advance and the second engine torque is determined at a second spark advance that is less than the first spark advance. The expected torque control module that controls a throttle valve area based on the expected torque request.

    摘要翻译: 发动机控制系统包括转矩请求模块,即时转矩控制模块,致动模块和预期转矩控制模块。 扭矩请求模块产生预期转矩请求和立即转矩请求。 立即扭矩控制模块基于立即扭矩请求控制发动机的火花提前。 致动模块基于即时转矩请求和火花容量选择性地减小预期转矩请求。 火花容量基于在当前气流下确定的第一发动机扭矩和第二发动机扭矩之间的差异。 在第一火花提前确定第一发动机扭矩,并且在小于第一火花提前的第二火花提前确定第二发动机转矩。 预期的转矩控制模块基于预期的转矩请求来控制节气门面积。

    METHOD OF CONTROLLING VEHICLE WHEEL AXLE TORQUE AND CONTROL SYSTEM FOR SAME
    38.
    发明申请
    METHOD OF CONTROLLING VEHICLE WHEEL AXLE TORQUE AND CONTROL SYSTEM FOR SAME 有权
    控制车轮转矩和控制系统的方法

    公开(公告)号:US20130096797A1

    公开(公告)日:2013-04-18

    申请号:US13272455

    申请日:2011-10-13

    IPC分类号: G06F7/00

    摘要: A method of controlling torque on a vehicle wheel axle includes comparing a torque intervention request to a predetermined minimum axle torque for a current vehicle speed and a current direction of motion of the vehicle. The predetermined minimum axle torque decreases as vehicle speed in an operator-selected direction of motion increases. An arbitrated axle torque is calculated based on an operator-requested torque, the current vehicle speed, the current direction of motion, and the greater of the torque intervention request and the predetermined minimum torque. Axle torque is applied to the vehicle's wheel axle based at least partially on the arbitrated axle torque.

    摘要翻译: 一种控制车轮轴上的转矩的方法包括:将转矩干预请求与当前车辆速度的预定最小轴转矩和车辆的当前运动方向进行比较。 当操作者选择的运动方向的车速增加时,预定的最小轴转矩减小。 基于操作者要求的扭矩,当前车速,当前运动方向以及扭矩干预请求和预定的最小扭矩的较大值来计算仲裁的轴转矩。 至少部分地基于仲裁的轴转矩将车轮扭矩施加到车辆的车轮轴上。