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OBD-II PIDs. OBD-II PIDs ( On-board diagnostics Parameter IDs) are codes used to request data from a vehicle, used as a diagnostic tool. SAE standard J1979 defines many OBD-II PIDs. All on-road vehicles and trucks sold in North America are required to support a subset of these codes, primarily for state mandated emissions inspections.
Proportional–integral–derivative controller. A proportional–integral–derivative controller ( PID controller or three-term controller) is a control loop mechanism employing feedback that is widely used in industrial control systems and a variety of other applications requiring continuously modulated control.
A piping and instrumentation diagram (P&ID) is defined as follows: A diagram which shows the interconnection of process equipment and the instrumentation used to control the process. In the process industry, a standard set of symbols is used to prepare drawings of processes. The instrument symbols used in these drawings are generally based on ...
Prague Integrated Transport ( Czech: Pražská integrovaná doprava, PID) is an integrated public transport system providing services in Prague and within the Central Bohemian Region. It is run by a city-owned transit authority called Regional Organiser of Prague Integrated Transport (ROPID). Prague Integrated Transport includes metro, tram ...
Process identifier. In computing, the process identifier (a.k.a. process ID or PID) is a number used by most operating system kernels —such as those of Unix, macOS and Windows —to uniquely identify an active process. This number may be used as a parameter in various function calls, allowing processes to be manipulated, such as adjusting the ...
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, namely the uterus, fallopian tubes, and ovaries, and inside of the pelvis. [ 5][ 2] Often, there may be no symptoms. [ 1] Signs and symptoms, when present, may include ...
Integral windup, also known as integrator windup [1] or reset windup, [2] refers to the situation in a PID controller where a large change in setpoint occurs ...
On-board diagnostics. Various views of a "MaxScan OE509" – a fairly typical onboard diagnostics (OBD) scanner, 2015. On-board diagnostics ( OBD) is a term referring to a vehicle's self-diagnostic and reporting capability. In the United States, this capability is a requirement to comply with federal emissions standards to detect failures that ...