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Tuning DDC/Process Control Loops
Description
Price:
$999
2 day Hands-On
1.6 Continuing Education Credits
Optimize your process with proper setting and tuning of DDC or control loops to increase quality consistency. Learn the process characteristics that become the basis for tuning the DDC or process controller. Practice different tuning methods to ensure accurate control. Gain an understanding of the functions of proportional band, integral and derivative process in a 3-mode or DDC controller.
Agenda [download course agenda]
Process Characteristics
- Process definition
- First order lag
- Time constant explanation
- Realizing dead time
- Process gain
- Self-regulating vs. non self-regulating processes
PID Controller Parameters
- Integral
- Derivative
- Tuning goals
- Proportional band and gain
- Understand the units for integral or reset
- Enabling objectives
- Quarter wave damping versus critical control
- How proportional band, integral and derivative relate to error
Tuning Methods
- General method closed-loop
- Ziegler-Nichols open and closed-loop method
- Ultimate period
- Process gain
- Open loop tuning steps
- Experienced based tuning
Advanced Control
- Cascade, ration and feedforward control
- Wild flow in ratio control
- Feedforward control system: open loop
- Feedback penalty
Hands-On Lab Exercises
- Labs are performed on a computer by