Inverse Kinematics for a 6-Degree-of-Freedom Robot Manipulator Using Comprehensive Gröbner Systems

Fuente: arXiv
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Autori principali: Okazaki, Takumu, Terui, Akira, Mikawa, Masahiko
Natura: Preprint
Pubblicazione: 2025
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author Okazaki, Takumu
Terui, Akira
Mikawa, Masahiko
author_facet Okazaki, Takumu
Terui, Akira
Mikawa, Masahiko
contents We propose an effective method for solving the inverse kinematic problem of a specific model of 6-degree-of-freedom (6-DOF) robot manipulator using computer algebra. It is known that when the rotation axes of three consecutive rotational joints of a manipulator intersect at a single point, the inverse kinematics problem can be divided into determining position and orientation. We extend this method to more general manipulators in which the rotational axes of two consecutive joints intersect. This extension broadens the class of 6-DOF manipulators for which the inverse kinematics problem can be solved, and is expected to enable more efficient solutions. The inverse kinematic problem is solved using the Comprehensive Gröbner System (CGS) with joint parameters of the robot appearing as parameters in the coefficients to prevent repetitive calculations of the Gröbner bases. The effectiveness of the proposed method is shown by experiments.
format Preprint
id arxiv_https___arxiv_org_abs_2509_00823
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Inverse Kinematics for a 6-Degree-of-Freedom Robot Manipulator Using Comprehensive Gröbner Systems
Okazaki, Takumu
Terui, Akira
Mikawa, Masahiko
Robotics
Symbolic Computation
Commutative Algebra
68W30, 13P10, 13P25
We propose an effective method for solving the inverse kinematic problem of a specific model of 6-degree-of-freedom (6-DOF) robot manipulator using computer algebra. It is known that when the rotation axes of three consecutive rotational joints of a manipulator intersect at a single point, the inverse kinematics problem can be divided into determining position and orientation. We extend this method to more general manipulators in which the rotational axes of two consecutive joints intersect. This extension broadens the class of 6-DOF manipulators for which the inverse kinematics problem can be solved, and is expected to enable more efficient solutions. The inverse kinematic problem is solved using the Comprehensive Gröbner System (CGS) with joint parameters of the robot appearing as parameters in the coefficients to prevent repetitive calculations of the Gröbner bases. The effectiveness of the proposed method is shown by experiments.
title Inverse Kinematics for a 6-Degree-of-Freedom Robot Manipulator Using Comprehensive Gröbner Systems
topic Robotics
Symbolic Computation
Commutative Algebra
68W30, 13P10, 13P25
url https://arxiv.org/abs/2509.00823