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    • 3. 发明授权
    • Dynamic load compensation method for an automatic transmission shift pattern
    • 用于自动变速器换档模式的动态负载补偿方法
    • US06295498B1
    • 2001-09-25
    • US09576560
    • 2000-05-22
    • Sean E GleasonDavid W WrightPeter Edwin Swingler
    • Sean E GleasonDavid W WrightPeter Edwin Swingler
    • B60K4106
    • F16H61/16B60W2510/0604B60W2520/105B60Y2200/14F16H59/24F16H59/46F16H61/0213F16H2061/0227Y10T477/693
    • An improved transmission shift pattern control that preserves the attributes of a selected base shift pattern while dynamically adjusting the high throttle shift thresholds based on a measure of vehicle loading. Heavy vehicle loading is detected by recognizing a pattern of high engine throttle and lower than expected vehicle acceleration, and the high power shifting thresholds are dynamically adjusted based on the detected loading to automatically provide aggressive shifting in a heavily loaded vehicle without producing excessive shift cycling in a normally or lightly loaded vehicle. A throttle timer is used to detect a condition of sustained high throttle operation, and under such condition, an acceleration timer determines the duration of lower than expected acceleration. If the determined duration exceeds a threshold, a shift pattern override is activated until the acceleration rises above an exit threshold. The severity of the loading condition may be determined with multiple acceleration timers used to activate successively more aggressive shift pattern overrides.
    • 改进的变速器换档模式控制,其基于车辆负载的测量来动态地调节高油门偏移阈值,保持所选择的基座换档模式的属性。 通过识别高发动机节气门和低于预期的车辆加速度的模式来检测重载车辆负载,并且基于检测到的负载来动态地调整高功率移动阈值,以在重负载的车辆中自动提供积极的换档而不产生过度的换档循环 正常或轻载车辆。 使用节气门定时器来检测持续的高油门操作的状况,并且在这种情况下,加速度计时器确定低于预期加速度的持续时间。 如果确定的持续时间超过阈值,则移动模式超驰被激活,直到加速度升高到出口阈值以上。 加载条件的严重性可以用多个加速度定时器来确定,这些加速度定时器用于激活连续更激进的换档模式覆盖。