PID controller - definição. O que é PID controller. Significado, conceito
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O que (quem) é PID controller - definição


PID controller         
  • Showing the evolution of analog control loop signaling from the pneumatic to the electronic eras
  • Response of PV to step change of SP vs time, for three values of ''K''<sub>d</sub> (''K''<sub>p</sub> and ''K''<sub>i</sub> held constant)
  • Response of PV to step change of SP vs time, for three values of ''K''<sub>i</sub> (''K''<sub>p</sub> and ''K''<sub>d</sub> held constant)
  • Proportional control using nozzle and flapper high gain amplifier and negative feedback
  • Effects of varying PID parameters (K<sub>p</sub>,K<sub>i</sub>,K<sub>d</sub>) on the step response of a system
  • A [[block diagram]] of a PID controller in a feedback loop. ''r''(''t'') is the desired process value or setpoint (SP), and ''y''(''t'') is the measured process value (PV).
  • PID with derivative filtering
  • PID without derivative filtering
  • Response of PV to step change of SP vs time, for three values of ''K''<sub>p</sub> (''K''<sub>i</sub> and ''K''<sub>d</sub> held constant)
  • Basic block of a PI controller
  • alt=
  • Early PID theory was developed by observing the actions of [[helmsmen]] in keeping a vessel on course in the face of varying influences such as wind and sea state.
  • Current loops used for sensing and control signals. A modern electronic "smart" valve positioner is shown, which will incorporate its own PID controller.
CONTROL LOOP MECHANISM USED IN CONTROL ENGINEERING
PID loop; Proportional-Integral-Derivative controller; PID tuning; PID algorithm; Proportional integral derivative; PI controller; PD controller; PID control; PI Controller; Pi controller; Pidc; PID Controller; Proportional–integral–derivative controller; P.I.D. control; Droop (control); Proportional-integral-derivative controller; PID feed back controller; PID feedback controller; Three term controller; Steady-state error
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 PID controller continuously calculates an error value e(t) as the difference between a desired setpoint (SP) and a measured process variable (PV) and applies a correction based on proportional, integral, and derivative terms (denoted P, I, and D respectively), hence the name.
disk controller         
CONTROLLER FOR DISK STORAGE, USUALLY INTEGRATED INTO THE DRIVE
Hard disk controller; Hard drive controller; HD controller; Drive controller
<hardware, storage> (Or "hard disk controller", HDC) The circuit which allows the CPU to communicate with a {hard disk}, floppy disk or other kind of disk drive. The most common disk controllers in use are IDE and SCSI controllers. Most home personal computers use IDE controllers. High end PCs, workstations and network {file servers} mostly have SCSI adaptors. (1998-03-16)
Disk controller         
CONTROLLER FOR DISK STORAGE, USUALLY INTEGRATED INTO THE DRIVE
Hard disk controller; Hard drive controller; HD controller; Drive controller
The disk controller is the controller circuit which enables the CPU to communicate with a hard disk, floppy disk or other kind of disk drive. It also provides an interface between the disk drive and the bus connecting it to the rest of the system.