An Inverse Kinematic Model for the 3-PRS Compliant Parallel Mechanism With Forward Causative Force

The inverse kinematic model is an essential mathematical tool of the performance analysis and motion control for the parallel mechanism. A diversity of mathematical methods is used for inverse kinematic modelling. However, for compliant parallel mechanism, the direction of the causative force in the...

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Main Authors: Junjie Wei, Hai Bi, Hong Yao, Fangxin Chen
Format: Article
Language:English
Published: IEEE 2023-01-01
Series:IEEE Access
Subjects:
Online Access:https://ieeexplore.ieee.org/document/10335671/
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author Junjie Wei
Hai Bi
Hong Yao
Fangxin Chen
author_facet Junjie Wei
Hai Bi
Hong Yao
Fangxin Chen
author_sort Junjie Wei
collection DOAJ
description The inverse kinematic model is an essential mathematical tool of the performance analysis and motion control for the parallel mechanism. A diversity of mathematical methods is used for inverse kinematic modelling. However, for compliant parallel mechanism, the direction of the causative force in the model is always disregarded in previous works, which leads to large deviation due to the force sensitivity of the flexure hinge. A straightforward index is proposed to quantitatively evaluate the deviation. A new approach presented in this paper try to overcome this shortcoming, by considering the forward causative force during the inverse kinematic modelling, which makes model realize less deviation and more practical in motion control. Compliant matrix method is adopted to analyze the deformation of the flexure hinge. The effectiveness of the proposed methodology is verified, based on a 3-PRS compliant parallel mechanism, with finite element analysis simulation. The proposed methodology can be employed and extended to a variety of compliant parallel mechanism.
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spelling doaj.art-640eb75cae8449cba58af55fd3cc79842023-12-08T00:04:09ZengIEEEIEEE Access2169-35362023-01-011113528313529410.1109/ACCESS.2023.333783510335671An Inverse Kinematic Model for the 3-PRS Compliant Parallel Mechanism With Forward Causative ForceJunjie Wei0https://orcid.org/0009-0005-7300-615XHai Bi1https://orcid.org/0000-0002-2017-3668Hong Yao2Fangxin Chen3https://orcid.org/0000-0002-9444-4141Jihua Laboratory, Foshan, ChinaJihua Laboratory, Foshan, ChinaJihua Laboratory, Foshan, ChinaJihua Laboratory, Foshan, ChinaThe inverse kinematic model is an essential mathematical tool of the performance analysis and motion control for the parallel mechanism. A diversity of mathematical methods is used for inverse kinematic modelling. However, for compliant parallel mechanism, the direction of the causative force in the model is always disregarded in previous works, which leads to large deviation due to the force sensitivity of the flexure hinge. A straightforward index is proposed to quantitatively evaluate the deviation. A new approach presented in this paper try to overcome this shortcoming, by considering the forward causative force during the inverse kinematic modelling, which makes model realize less deviation and more practical in motion control. Compliant matrix method is adopted to analyze the deformation of the flexure hinge. The effectiveness of the proposed methodology is verified, based on a 3-PRS compliant parallel mechanism, with finite element analysis simulation. The proposed methodology can be employed and extended to a variety of compliant parallel mechanism.https://ieeexplore.ieee.org/document/10335671/Compliant mechanisminverse kinetostatic modelcompliant matrix method3-PRS
spellingShingle Junjie Wei
Hai Bi
Hong Yao
Fangxin Chen
An Inverse Kinematic Model for the 3-PRS Compliant Parallel Mechanism With Forward Causative Force
IEEE Access
Compliant mechanism
inverse kinetostatic model
compliant matrix method
3-PRS
title An Inverse Kinematic Model for the 3-PRS Compliant Parallel Mechanism With Forward Causative Force
title_full An Inverse Kinematic Model for the 3-PRS Compliant Parallel Mechanism With Forward Causative Force
title_fullStr An Inverse Kinematic Model for the 3-PRS Compliant Parallel Mechanism With Forward Causative Force
title_full_unstemmed An Inverse Kinematic Model for the 3-PRS Compliant Parallel Mechanism With Forward Causative Force
title_short An Inverse Kinematic Model for the 3-PRS Compliant Parallel Mechanism With Forward Causative Force
title_sort inverse kinematic model for the 3 prs compliant parallel mechanism with forward causative force
topic Compliant mechanism
inverse kinetostatic model
compliant matrix method
3-PRS
url https://ieeexplore.ieee.org/document/10335671/
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