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  2. Proportional–integral–derivative controller - Wikipedia

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

    PID controllers often provide acceptable control using default tunings, but performance can generally be improved by careful tuning, and performance may be unacceptable with poor tuning. Usually, initial designs need to be adjusted repeatedly through computer simulations until the closed-loop system performs or compromises as desired.

  3. Pelvic inflammatory disease - Wikipedia

    en.wikipedia.org/wiki/Pelvic_inflammatory_disease

    Pelvic inflammatory disease, also known as pelvic inflammatory disorder (PID), is an infection of the upper part of the female reproductive system, mainly the uterus, fallopian tubes, and ovaries, and inside of the pelvis. [5] [2] Often, there may be no symptoms. [1]

  4. PID - Wikipedia

    en.wikipedia.org/wiki/PID

    Pid, a 2012 video game by Might and Delight; Project Initiation Documentation, in project management; Party identification, the political party with which an individual identifies; Everett Pid Purdy (1904–1951), American athlete who played in both Major League Baseball and the National Football League

  5. PID algorithm - Wikipedia

    en.wikipedia.org/?title=PID_algorithm&redirect=no

    PID algorithm. Add languages. Add links ... Talk; English. Read; Edit; View history; Tools. Tools. move to sidebar hide. Actions ... Wikipedia® is a registered ...

  6. Piping and instrumentation diagram - Wikipedia

    en.wikipedia.org/wiki/Piping_and_instrumentation...

    A Piping and Instrumentation Diagram (P&ID) is a detailed diagram in the process industry which shows process equipment together with the instrumentation and control devices.

  7. Persistent identifier - Wikipedia

    en.wikipedia.org/wiki/Persistent_identifier

    An introduction to persistent identifiers and FAIR data.. A persistent identifier (PI or PID) is a long-lasting reference to a document, file, web page, or other object.. The term "persistent identifier" is usually used in the context of digital objects that are accessible over the Internet.

  8. Principal ideal domain - Wikipedia

    en.wikipedia.org/wiki/Principal_ideal_domain

    Principal ideal domains are mathematical objects that behave like the integers, with respect to divisibility: any element of a PID has a unique factorization into prime elements (so an analogue of the fundamental theorem of arithmetic holds); any two elements of a PID have a greatest common divisor (although it may not be possible to find it ...

  9. Primary immunodeficiency - Wikipedia

    en.wikipedia.org/wiki/Primary_immunodeficiency

    Primary immunodeficiencies are disorders in which part of the body's immune system is missing or does not function normally. [1] To be considered a primary immunodeficiency (PID), the immune deficiency must be inborn, not caused by secondary factors such as other disease, drug treatment, or environmental exposure to toxins.