Lee Payne

latest from Lee Payne

Know when to use open- or closed-loop control

Figure 4: Here is the desired result—a level control loop, tuned using this modified Ziegler-Nichols method, responding to a setpoint change. Courtesy: Dataforth

Tuning PID loops for level control

Figure 2: A temperature control loop, tuned with modified Cohen-Coon method, responding to a set point change. Courtesy: Dataforth

Tuning PID control loops for fast response

Process Instrumentation and Sensors

Tuning surge tank level control loops