Abstract
A finite element full-scale entity model for 6-UPS parallel kinematic machine (PKM) and its accessories are established based on substructure method. It is further confirmed through a modality study and a finite element modality analysis. The displacement harmonic response curves of the nodes on the virtual x, y and z axes of PKM are obtained through a harmonic response analysis on PKM performed with a finite element method. Based on these resultant curves, a law of harmony response on the PKM is investigated. The resultant parameters clearly demonstrate a harmony response characteristic of PKM and its response scope magnitude, which can provide an important theoretical basis for the optimal structure design of PKM.
| Original language | English |
|---|---|
| Pages (from-to) | 40-43 |
| Number of pages | 4 |
| Journal | Beijing Youdian Xueyuan Xuebao/Journal of Beijing University of Posts And Telecommunications |
| Volume | 31 |
| Issue number | 5 |
| Publication status | Published - Oct 2008 |
Keywords
- Dynamics
- Harmonic response
- Parallel kinematic machine
- Stewart platform