TUNING THE CONTROL LOOPS 6-1
SB1391 Hardware and Setup Guide - Document revision no. 1.14
6. TUNING THE CONTROL LOOPS
TABLE 6-1 Topics covered in this chapter
Topic Description
About D and K arrays Description of the controller's D and K arrays of parameters
Control loop block
diagrams
Diagrams of the control loop algorithms
Current loop Current loop and how to tune it
Commutation Commutation and commutation process troubleshooting
Velocity loop Velocity loop, velocity filters, and how to tune the velocity loop
Position loop Position loop and how to tune it
Slip constant
optimization
(Induction motors only) - how to improve the orientation between
the magnetic field in the air gap and the current induced into the
rotor
Polishing How to reduce following error during periods of
acceleration/deceleration and how to improve the torque-velocity
characteristics at high speed (brushless motors only)
Dual loop control For applications requiring good dynamic performance (wide
velocity and position bandwidths)
This chapter starts with a description of the D and K arrays of control loop parameters. The
description also covers how to work with the arrays directly although in most cases it is preferable
to work with them using ACS Adjuster.
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