122-28176 Parallax Inc, 122-28176 Datasheet - Page 305

GUIDE STUDENT PROCESS CONTROL

122-28176

Manufacturer Part Number
122-28176
Description
GUIDE STUDENT PROCESS CONTROL
Manufacturer
Parallax Inc
Datasheets

Specifications of 122-28176

Accessory Type
Manual
Product
Microcontroller Accessories
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
For Use With/related Products
Propeller Education (PE) Kit
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Contains lead / RoHS non-compliant
How did derivative control affect the response of the system? As shown in Figure 8-18,
with only proportional control, there were heavy oscillations around the setpoint. As the
derivative gain was progressively increased at times 6, 12, 18 and 21, the overshoot was
progressively reduced and the system came under control quicker.
Figure 8-18 Proportional-Derivative System Response
Introduce a disturbance and monitor the resulting action.
Starting with 1, use progressively higher gains for derivative (Kd) until the
system returns as quickly as possible with little or no overshoot.
Try a very large gain (50) for Kd and monitor the response to a small
disturbance.

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