Automatic engine hydro-mechanical control unit preflight test
    1.
    发明授权
    Automatic engine hydro-mechanical control unit preflight test 失效
    自动发动机水力机械控制单元预检测试

    公开(公告)号:US5938401A

    公开(公告)日:1999-08-17

    申请号:US18020

    申请日:1998-02-03

    摘要: A method of testing an actuation system for positioning an inlet guide vane, the actuation system including a primary electronic system, a secondary hydro-mechanical system is disclosed. The method includes the steps of controlling the position of the inlet guide vane with the primary system from an start engine speed up to a first engine speed; transferring control of the position of the inlet guide vane from the primary system to the secondary system at said first engine speed; controlling the position of the inlet guide vane with the secondary system from the first engine speed up to a second engine speed; obtaining a monitored position of the inlet guide vane with the primary system from said first speed to said second speed; indicating a failed status if the monitored position obtained by the primary system does not correspond to a predicted position; and transferring control from the secondary system to the primary system for the engine speeds of said second speed or greater, in absence of said failed status.

    摘要翻译: 公开了一种测试用于定位入口导叶的致动系统的方法,所述致动系统包括主电子系统,次级水力机械系统。 该方法包括以下步骤:从起动发动机转速到第一发动机转速控制入口导向叶片与主系统的位置; 以所述第一发动机转速将所述入口导叶的位置从所述主系统转移到所述次系统; 将所述入口导叶与所述二次系统的位置从所述第一发动机转速控制到第二发动机转速; 使所述入口导叶与所述主系统从所述第一速度到所述第二速度获得监控位置; 如果由主系统获得的监视位置不对应于预测位置,则指示失败状态; 以及在没有所述故障状态的情况下,将控制从所述辅助系统传送到所述第二速度或更大的发动机速度的所述主系统。