Invention Application
US20140074382A1 Rail Pressure Control Strategy For Common Rail Fuel System 有权
共轨燃油系统轨道压力控制策略

Rail Pressure Control Strategy For Common Rail Fuel System
Abstract:
A common rail fuel system includes a common rail supplied by an inlet metered high pressure pump and fluidly connected to a plurality of zero-leak fuel injectors. An electronic controller controls pressure in the common rail predominantly responsive to a rail pressure error when outside of an overshoot avoidance condition corresponding to the error being less than a first threshold and a time rate of change of the error being greater than a second threshold. Pressure in the common rail is controlled predominantly responsive to the time rate of change of the error during the overshoot avoidance condition.
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