Week #12: (4/10-14) Ch. 8 - PID Calculations for the BS2.
Posted: Tue Apr 11, 2017 3:18 pm
This week we're going leave the regular Control Systems text in order to jump ahead a bit to Chapter 8 in the Parallax Process Control Text discussing PID Control. Specifically, we're going to emphasize the processes through which a microcontroller can perform Proportional, Integral and Differential calculations. I've attached a pdf of Chapter 8 here for your convenience:
Our focus will be on Table 8-1 on page 272. It's attached here and printed copies will be distributed in class on 4/12.
This table is based upon the Classical PID Formula presented on page 248 of the Process Control Text:
Our task in class will be to complete this chart and hopefully understand the calculations the BS2 will use to perform the PID calculations required in Chapter 8 experiments.
A pdf containing the above formula and Table is attached below and a hardcopy will be distributed in class on 4/12. In addition, for reference, here is the schematic for the Incubator Circuit: Derivative Control Mode Analogy from Wisc-Online.
Figure 8-1 on page 249 shows a block diagram of a PID Control System and Figure 8-4 on page 252 shows a typical analog circuit showing the PID control elements (op-amps, R's & C's mostly).Our focus will be on Table 8-1 on page 272. It's attached here and printed copies will be distributed in class on 4/12.
This table is based upon the Classical PID Formula presented on page 248 of the Process Control Text:
Our task in class will be to complete this chart and hopefully understand the calculations the BS2 will use to perform the PID calculations required in Chapter 8 experiments.
A pdf containing the above formula and Table is attached below and a hardcopy will be distributed in class on 4/12. In addition, for reference, here is the schematic for the Incubator Circuit: Derivative Control Mode Analogy from Wisc-Online.