Development of a Novel Dynamic Modeling Approach for a Three-Axis Machine Tool in Mechatronic Integration

This paper proposes a novel, fast, and automatic modeling method to build a virtual model with minimum degrees of freedom (DOFs) without the need for FE models or human judgment. The proposed program uses the iterative closest point (ICP) algorithm to analyze the mode shape vector of structural dyna...

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Bibliographic Details
Published in:Machines (Basel) 2022-11, Vol.10 (11), p.1102
Main Authors: Liu, De-Shin, Lu, Jen-Chang, Tsai, Meng-Shiun, Wu, Chih-Ta, Zhuang, Zhen-Wei
Format: Article
Language:English
Subjects:
Algorithms
Controllers
Deformation
Degrees of freedom
digital twin
Dynamic characteristics
Dynamic models
Iterative algorithms
joint identification
Machine tools
mechatronic analysis
Methods
modal analysis
Modelling
Multibody systems
Simulation
Software
Three axis
Three dimensional models
Tool industry
virtual machine tool
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Summary:This paper proposes a novel, fast, and automatic modeling method to build a virtual model with minimum degrees of freedom (DOFs) without the need for FE models or human judgment. The proposed program uses the iterative closest point (ICP) algorithm to analyze the mode shape vector of structural dynamic characteristics to define the position and DOFs of the joints between structural components. After the multi-body dynamics model was developed in software, it was converted into an SSM to connect the servo loop model. Then, the mechatronic integration analysis was performed to verify the dynamic characteristics of the tool center point (TCP) and the workbench in the experiment and simulation. The model created by the proposed identification process has a small DOF and can accurately simulate the dynamic characteristics of a machine. This model can be used for dynamic testing and control strategy development in mechatronic integration.
ISSN:2075-1702
2075-1702
DOI:10.3390/machines10111102