利索-全球专利检索

  1. 登录
  2. 注册

搜索结果

9 条记录 (耗时 0.021 秒)

    Engine control to reduce impacts due to transmission gear lash while maintaining high responsiveness to the driver
    1.
    发明授权
    Engine control to reduce impacts due to transmission gear lash while maintaining high responsiveness to the driver 有权
    发动机控制，以减少由于变速箱齿ash而造成的影响，同时保持对驾驶员的高响应性

    公开(公告)号：US06910990B2

    公开(公告)日：2005-06-28

    申请号：US10659608

    申请日：2003-09-09

    申请人： Jeffrey A. Doering ,  Michael J. Cullen ,  Rob Ciarrocchi

    发明人： Jeffrey A. Doering ,  Michael J. Cullen ,  Rob Ciarrocchi

    IPC分类号： F02D41/02 ,  F02D41/10 ,  B60K41/04

    CPC分类号： F02D41/0215 ,  F02D41/107 ,  F02D2250/21 ,  F02D2400/12 ,  Y10T477/675 ,  Y10T477/679

    摘要： An engine control system controls engine torque to transition through the transmission and driveline's lash zone. The transmission and driveline's lash zone is indicated using information of the speed ratio across the torque converter. This information is then supplemented with information of the driver's request and vehicle speed so that engine torque is adjusted at various predetermined rates based on current operating conditions. As such, the system can reduce undesired drive feel that otherwise may occur as the system passes through the transmission and driveline's lash zone. By limiting the change of torque in this way, driveability, while at the same time maintaining acceptable performance response.

    摘要翻译： 发动机控制系统控制发动机转矩通过变速器和传动系的鞭带区域过渡。 变速箱和传动系的襟带区域使用变矩器两端的变速比信息来表示。 然后根据驾驶员的要求和车辆速度的信息补充该信息，从而基于当前的运行条件，以各种预定速率调整发动机转矩。 因此，系统可以减少不必要的驱动感觉，否则当系统通过传动系统和传动系的鞭带区时可能会发生。 通过以这种方式限制转矩的变化，驾驶性能同时保持可接受的性能响应。

    Engine air/fuel control with exhaust gas oxygen sensor heater control
    4.
    发明授权
    Engine air/fuel control with exhaust gas oxygen sensor heater control 失效
    发动机空气/燃油控制与排气氧气传感器加热器控制

    公开(公告)号：US5588417A

    公开(公告)日：1996-12-31

    申请号：US552047

    申请日：1995-11-02

    申请人： Allan J. Kotwicki ,  Jeffrey A. Doering ,  Michael P. Falandino

    发明人： Allan J. Kotwicki ,  Jeffrey A. Doering ,  Michael P. Falandino

    IPC分类号： F02D41/14 ,  F02P15/08

    CPC分类号： F02D41/1494 ,  F02D41/1456

    摘要： An engine air/fuel control system responsive to an electrically heated exhaust gas oxygen sensor. Electrical power is supplied to the sensor by a feedback control system responsive to peak-to-peak measurement in the sensor output. Peak-to-peak measurements are averaged over a predetermined number of sample times and the resulting average value compared to a deadband. When the average measurement is above, within, or below the deadband, electrical power to the heater is, respectively, reduced, held constant, or decreased.

    摘要翻译： 一种响应电加热排气氧传感器的发动机空气/燃料控制系统。 电力通过响应于传感器输出中的峰 - 峰测量的反馈控制系统提供给传感器。 在预定数量的采样时间内对峰 - 峰测量进行平均，并且与死区相比得到的平均值。 当平均测量值在死区之上，之内或之下时，加热器的电功率分别降低，保持恒定或降低。

    Air/fuel control with adaptively learned reference
    5.
    发明授权
    Air/fuel control with adaptively learned reference 失效
    具有自适应学习参考的空气/燃料控制

    公开(公告)号：US5396875A

    公开(公告)日：1995-03-14

    申请号：US193592

    申请日：1994-02-08

    申请人： Allan J. Kotwicki ,  Jeffrey A. Doering ,  Michael P. Falandino

    发明人： Allan J. Kotwicki ,  Jeffrey A. Doering ,  Michael P. Falandino

    IPC分类号： G01N27/409 ,  F02D41/14 ,  F02D45/00 ,  G01N27/26

    CPC分类号： F02D41/1479 ,  F02D41/2454 ,  F02D41/2474 ,  F02D41/1456

    摘要： An engine air/fuel control system includes an apparatus and method for adaptively learning a reference voltage. Fuel delivered to the engine is trimmed by a feedback variable provided by integrating a two-state signal resulting from a comparison between the reference voltage and the exhaust gas oxygen sensor output. Each sample period of a microprocessor, a high voltage signal and low voltage signal are generated which track the outer envelope of the sensor signal. Calculation of a midpoint between high and low voltage signals provides the reference which instantaneously tracks the midpoint of the sensor signal.

    摘要翻译： 发动机空气/燃料控制系统包括用于自适应地学习参考电压的装置和方法。 通过将参考电压与排气氧传感器输出之间的比较产生的双态信号进行积分提供的反馈变量来调节发送到发动机的燃料。 产生微处理器的每个采样周期，高电压信号和低电压信号，跟踪传感器信号的外包络。 计算高电压和低电压信号之间的中点提供了瞬时跟踪传感器信号中点的参考。

    Air/fuel control method with adaptive feedback actuation
    7.
    发明授权
    Air/fuel control method with adaptive feedback actuation 失效
    具有自适应反馈启动的空气/燃料控制方法

    公开(公告)号：US5408980A

    公开(公告)日：1995-04-25

    申请号：US202145

    申请日：1994-02-25

    申请人： Jeffrey A. Doering ,  Allan J. Kotwicki ,  Michael P. Falandino

    发明人： Jeffrey A. Doering ,  Allan J. Kotwicki ,  Michael P. Falandino

    IPC分类号： F02D41/06 ,  F02D41/14

    CPC分类号： F02D41/1479 ,  F02D41/068 ,  F02D41/2458 ,  F02D41/1456

    摘要： An engine air/fuel control system includes an apparatus and method for adaptively setting an initialization period preceding closed loop fuel control. During the initialization period, fuel delivered to the engine is modulated by a periodic waveform. A high voltage signal associated with the high output state of an exhaust gas oxygen sensor and a low voltage signal associated with the low voltage state of the exhaust gas oxygen sensor are sampled. When the difference between these signals exceeds a preselected value, the initialization period is terminated and closed loop fuel control is actuated.

    摘要翻译： 发动机空气/燃料控制系统包括用于自适应地设定闭环燃料控制之前的初始化期间的装置和方法。 在初始化期间，输送到发动机的燃料由周期波形调制。 对与废气氧传感器的高输出状态相关联的高电压信号和与排气氧传感器的低电压状态相关联的低电压信号进行采样。 当这些信号之间的差超过预选值时，初始化期间终止，闭环燃料控制被启动。