PID-filter routine (2nd try).

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  1. - 3rd September 2009, 06:49 #9
    hadiengg's Avatar
    hadiengg
    hadiengg is offline Junior Member
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    Default Hi Henrik

    I have many trys to solve my problem but fail.Actually i want to control GAS engine speed.I am using AGB130 LINEAR ELECTRIC ACTUATOR to drive BUTTERFLY VALVE.I am using MAGNETIC PICKUP UNIT located on flyweel to sense engine speed.After F/V conversion i have 0-5000Hz to 0-5V.
    Problem is that ACTUATOR drive only forward direction through given voltage
    and reverse direction through SPRING located inside.
    ACTUATOR always needed some voltage to remain in a position to maintain speed.But INCPID routine gives 0 output when no error found.
    I am giving some examples in atachements which will help to identify problem.
    Best regards
    IFTIKHAR AHMAD
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