The Algorithm Development and Implementation for 3D Printers based on Adaptive PID Controller

Year 2018, Volume: 21 Issue: 3, 559 - 564, 01.09.2018

Aytaç Altan Rıfat Hacıoğlu

https://doi.org/10.2339/politeknik.391790

Cited By: 1

Abstract

The 3D printers widely used in the
world are produced in different mechanical and electronic designs. The 3D
printers which have various mechanical structures such as cartesian, delta and
core (xy, xz) already are used open source code software such as Sprinter,
Marlin, Cura 3D and Teacup. The control of the 3D printers is usually done by
the classical Propotional-Integral-Derivative (PID) control algorithm. In this
study, we have developed for the designed 3D printer a new software by using
adaptive PID control algorithm instead of classical PID. Five step motors of
the designed 3D printer are controlled by the adaptive PID. In addition, there
are both heating and cooling processes in the extruder system and these
processes are controlled by the adaptive PID. The mechanical design uses a belt
and pulley drive system which is suitable for accelerated movements. In the
system software, 3D Printing Software Pipeline (input model, orientation and
positioning, support structures, slicing, path planning, machine instructions)
is applied. The control algorithms for extruder and step motors are prepared as
separate function files in software implemented in C. It has been observed that
the designed software is particularly successful in eliminating errors on the
surface of the products.  

Keywords

Adaptive PID, 3D printer, step motor, algorithm

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