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  2. Error correction model - Wikipedia

    en.wikipedia.org/wiki/Error_correction_model

    The univariate unit root tests used in the first stage have low statistical power; The choice of dependent variable in the first stage influences test results, i.e. we need weak exogeneity for as determined by Granger causality; One can potentially have a small sample bias

  3. Well control - Wikipedia

    en.wikipedia.org/wiki/Well_control

    To determine formation strength and integrity, a Leak Off Test (LOT) or a Formation Integrity Test (FIT) may be performed. The FIT is: a method of checking the cement seal between the casing and the formation. The LOT determines the pressure and/or fluid weight the test zone below the casing can sustain.

  4. Fault detection and isolation - Wikipedia

    en.wikipedia.org/wiki/Fault_detection_and_isolation

    Fault Recovery in FDIR is the action taken after a failure has been detected and isolated to return the system to a stable state. Some examples of fault recoveries are: Switch-off of a faulty equipment; Switch-over from a faulty equipment to a redundant equipment; Change of state of the complete system into a Safe Mode with limited functionalities

  5. Pipe network analysis - Wikipedia

    en.wikipedia.org/wiki/Pipe_network_analysis

    In fluid dynamics, pipe network analysis is the analysis of the fluid flow through a hydraulics network, containing several or many interconnected branches. The aim is to determine the flow rates and pressure drops in the individual sections of the network. This is a common problem in hydraulic design.

  6. Failure modes, effects, and diagnostic analysis - Wikipedia

    en.wikipedia.org/wiki/Failure_Modes,_Effects...

    Under the functional failure mode approach, the actual functional failure modes of the product are identified during a DFMEA. During the detailed FMEDA, each component failure mode is mapped to a functional failure mode. The functional failure modes are then categorized according to product failure mode in a particular application. [13]

  7. Engine control unit - Wikipedia

    en.wikipedia.org/wiki/Engine_control_unit

    An engine control unit (ECU), also called an engine control module (ECM), [1] is a device that controls various subsystems of an internal combustion engine.

  8. What's the 'flamingo balance test'? - AOL

    www.aol.com/call-flamingo-balance-test...

    A flamingo-style balance test should be included in mid-life health check-ups, researchers have said after a new study found that people who cannot stand on one leg for 10 seconds have an ...

  9. Electronic control unit - Wikipedia

    en.wikipedia.org/wiki/Electronic_control_unit

    An ECU from a Geo Storm. An electronic control unit (ECU), also known as an electronic control module (ECM), is an embedded system in automotive electronics that controls one or more of the electrical systems or subsystems in a car or other motor vehicle.