ข้ามสารบัญไปยังเนื้อหา
อัปเดต 2026-09-07
Control loops (PID)
process control
Add PID control loops — set point, mode, tuning, diagnostics — and simulate how the controlled variable responds, rather than fixing a valve at one position.
เมื่อไรจึงใช้
- Modelling level / pressure / flow control that adjusts a valve or pump to hold a target.
- Checking loop tuning or controller mode before commissioning.
ค่าที่ต้องกรอก
| ค่า | คำอธิบาย |
|---|---|
| Controlled & manipulated variables | What is held (e.g. tank level) and what moves to hold it (e.g. a control valve). |
| Set point & mode | Target value and Auto/Manual/Cascade mode. |
| PID gains | Proportional, integral, and derivative terms — with a tuning helper. |
คำนวณอย่างไร
The loop engine computes the controller output from the error (set point − measurement), applies it to the manipulated element, and reports loop diagnostics; execute-all runs every loop over the run.
สมการ
PID controller output
e = set point − measurement; K_p, K_i, K_d are the tuned gains.
ข้อควรระวัง
noteA control loop needs a controllable element (valve/pump) as its manipulated variable, or it has nothing to act on.
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