Development of a Linear Guide-Rail Testbed for Physically Emulating ISAM Operations

Fuente: arXiv
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Main Authors: Muldrow, Robert, Ludden, Channing, Petersen, Christopher
Format: Preprint
Published: 2025
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author Muldrow, Robert
Ludden, Channing
Petersen, Christopher
author_facet Muldrow, Robert
Ludden, Channing
Petersen, Christopher
contents In-Space Servicing, Assembly, and Manufacturing (ISAM) is a set of emerging operations that provides several benefits to improve the longevity, capacity, mo- bility, and expandability of existing and future space assets. Serial robotic ma- nipulators are particularly vital in accomplishing ISAM operations, however, the complex perturbation forces and motions associated with movement of a robotic arm on a free-flying satellite presents a complex controls problem requiring addi- tional study. While many dynamical models are developed, experimentally test- ing and validating these models is challenging given that the models operate in space, where satellites have six-degrees-of-freedom (6-DOF). This paper attempts to resolve those challenges by presenting the design and development of a new hardware-in-the-loop (HIL) experimental testbed utilized to emulate ISAM. This emulation will be accomplished by means of a 6-DOF UR3e robotic arm attached to a satellite bus. This satellite bus is mounted to a 1-DOF guide-rail system, en- abling the satellite bus and robotic arm to move freely in one linear direction. This experimental ISAM emulation system will explore and validate models for space motion, serial robot manipulation, and contact mechanics.
format Preprint
id arxiv_https___arxiv_org_abs_2510_13005
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Development of a Linear Guide-Rail Testbed for Physically Emulating ISAM Operations
Muldrow, Robert
Ludden, Channing
Petersen, Christopher
Robotics
In-Space Servicing, Assembly, and Manufacturing (ISAM) is a set of emerging operations that provides several benefits to improve the longevity, capacity, mo- bility, and expandability of existing and future space assets. Serial robotic ma- nipulators are particularly vital in accomplishing ISAM operations, however, the complex perturbation forces and motions associated with movement of a robotic arm on a free-flying satellite presents a complex controls problem requiring addi- tional study. While many dynamical models are developed, experimentally test- ing and validating these models is challenging given that the models operate in space, where satellites have six-degrees-of-freedom (6-DOF). This paper attempts to resolve those challenges by presenting the design and development of a new hardware-in-the-loop (HIL) experimental testbed utilized to emulate ISAM. This emulation will be accomplished by means of a 6-DOF UR3e robotic arm attached to a satellite bus. This satellite bus is mounted to a 1-DOF guide-rail system, en- abling the satellite bus and robotic arm to move freely in one linear direction. This experimental ISAM emulation system will explore and validate models for space motion, serial robot manipulation, and contact mechanics.
title Development of a Linear Guide-Rail Testbed for Physically Emulating ISAM Operations
topic Robotics
url https://arxiv.org/abs/2510.13005