공압 피로 시험기 구성을 위한 공압실린더의 고속/고정밀 제어기술
A hydraulic cylinder is typically used in fatigue testing machines for generating reciprocal motion. Hydraulic cylinders adversely affect the environment because they consume high amounts of oil for maintenance. Pneumatic cylinders can serve as potential alternatives to overcome this drawback. Howev...
Gespeichert in:
Veröffentlicht in: | 한국생산제조학회지 2020, 29(3), , pp.163-169 |
---|---|
Hauptverfasser: | , , , , , |
Format: | Artikel |
Sprache: | kor |
Schlagworte: | |
Online-Zugang: | Volltext |
Tags: |
Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
|
Zusammenfassung: | A hydraulic cylinder is typically used in fatigue testing machines for generating reciprocal motion. Hydraulic cylinders adversely affect the environment because they consume high amounts of oil for maintenance. Pneumatic cylinders can serve as potential alternatives to overcome this drawback. However, it is difficult to control a pneumatic cylinder with high accuracy due to the compressibility of air. This study presents a new control method for high-speed and high-precision control of a pneumatic cylinder for a servo-pneumatic fatigue testing machine.
Displacement and load controllers with proportional-proportional-integral feedback and feedforward algorithms are proposed. Furthermore, an auto-tuning algorithm of a feedforward controller gain is proposed to improve control performance. A servo-pneumatic fatigue testing machine is constructed, and the control performance is evaluated via displacement and load control experiments at the various conditions. KCI Citation Count: 0 |
---|---|
ISSN: | 2508-5093 2508-5107 |
DOI: | 10.7735/ksmte.2020.29.3.163 |