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    • 12. 发明授权
    • Method for controlling throttle air velocity during throttle position changes
    • 在节气门位置变化时控制节气门空气速度的方法
    • US06701890B1
    • 2004-03-09
    • US10011924
    • 2001-12-06
    • Blake R. SuhreRobert E. Haddad
    • Blake R. SuhreRobert E. Haddad
    • F02D900
    • F02D11/105F02D41/18
    • An engine control system calculates air velocity through a throttle body as a function of mass air flow through the throttle body, air density, and the effective area of air flow through the throttle body as a function of throttle plate position. Mass air flow is calculated as a function of the effective area through the throttle body, barometric pressure, manifold pressure, manifold temperature, the ideal gas constant, and the ratio of specific heats for air. By controlling the throttle plate position as a dual function of throttle demand, which is a manual input, and air velocity through the throttle body, certain disadvantages transient behavior of the engine can be avoided.
    • 发动机控制系统根据节气门体的位置,通过节气门体,空气密度和通过节气门体的气流的有效面积来计算通过节气门体的空气速度。 通过节气门体,大气压力,歧管压力,歧管温度,理想气体常数和空气比热的比例来计算质量空气流量作为有效面积的函数。 通过控制节气门板位置作为手动输入的节气门需求和通过节气门体的空气速度的双重功能,可以避免发动机的某些缺点的瞬态特性。