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  2. Troubleshooting - Wikipedia

    en.wikipedia.org/wiki/Troubleshooting

    Troubleshooting is a form of problem solving, often applied to repair failed products or processes on a machine or a system. It is a logical, systematic search for the source of a problem in order to solve it, and make the product or process operational again. Troubleshooting is needed to identify the symptoms.

  3. U.S. Army Corps of Engineers civil works controversies

    en.wikipedia.org/wiki/U.S._Army_Corps_of...

    Meanwhile, the ERP report stated that had levees and pump stations not failed, "far less property loss would have occurred and nearly two-thirds of deaths could have been avoided". On 9 July 2007, retired LtG Elvin "Vald" Heiberg III, stated in a letter to the New Orleans Times Picayune that people should blame him for the Katrina disaster.

  4. Hydraulic machinery - Wikipedia

    en.wikipedia.org/wiki/Hydraulic_machinery

    The pump swivel angle covers both positive and negative flow direction. Disadvantages: The pump cannot be utilized for any other hydraulic function in an easy way and cooling can be a problem due to limited exchange of oil flow. High power closed loop systems generally must have a 'flush-valve' assembled in the circuit in order to exchange much ...

  5. Music fests and tours and concerts in 2025: What's lined up - AOL

    www.aol.com/music-fests-tours-concerts-2025...

    Way.com shares details about the music festivals, concerts, and tours lined up for 2025.

  6. Before allegedly participating in the beating of Robert ... - AOL

    www.aol.com/allegedly-participating-beating...

    Three of the officers involved in a fatal beating of Robert Brooks, a handcuffed inmate at the Marcy Correctional Facility upstate New York, were previously accused of abuse and assault, according ...

  7. Orange Barn Cat Sweetly Watches Over New Piglets Like the ...

    www.aol.com/orange-barn-cat-sweetly-watches...

    Just think, instead of using toxic poisons to control your rodent population you can have a barn cat take on the charge. To keep your barn cat happy , you do need to take special care of them.

  8. Control system - Wikipedia

    en.wikipedia.org/wiki/Control_system

    In open-loop control, the control action from the controller is independent of the "process output" (or "controlled process variable"). A good example of this is a central heating boiler controlled only by a timer, so that heat is applied for a constant time, regardless of the temperature of the building.

  9. Proportional–integral–derivative controller - Wikipedia

    en.wikipedia.org/wiki/Proportional–integral...

    His goal was stability, not general control, which simplified the problem significantly. While proportional control provided stability against small disturbances, it was insufficient for dealing with a steady disturbance, notably a stiff gale (due to steady-state error), which required adding the integral term. Finally, the derivative term was ...