Dual Loop Cascaded Position Control

Overview

Using a gear can cause inaccuracy when only the shaft is controlled.

A second encoder can be attached to the output shaft after the gear for an optimized position control.

General ViewDetail ViewGeneral View

Detail View

Usage

• Set the first encoder at the input shaft to “Commutation & Velocity”

• Set the second encoder at the output shaft to “Position only”

• Ensure that the gear ratio is set correctly in object 0x6091.

Parameters related to Dual Loop Cascaded Position Control

0x6091 Gear Ratio

Object for indicating the revolutions of motor and shaft

0x2010 Torque Controller

Values Kp, Ki and Kd for Torque Controller

0x2012 Position Controller

Values Kp, Ki and Kd for Cascaded Position Controller (Both loops: Position and Velocity)