Trajectory Planning for Reciprocating Motion in Integrated Servo Motor Linear Stages

Many applications in manufacturing, physical therapy, and machining require linear motion stages to move back and forth at specified rates without exceeding the capabilities of the stages. Growing interest has also been in using integrated servo motors for these applications, which would benefit fro...

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Main Authors: Max Schnegas, Musa K. Jouaneh
Format: Article
Language:English
Published: MDPI AG 2024-12-01
Series:Machines
Subjects:
Online Access:https://www.mdpi.com/2075-1702/12/12/934
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author Max Schnegas
Musa K. Jouaneh
author_facet Max Schnegas
Musa K. Jouaneh
author_sort Max Schnegas
collection DOAJ
description Many applications in manufacturing, physical therapy, and machining require linear motion stages to move back and forth at specified rates without exceeding the capabilities of the stages. Growing interest has also been in using integrated servo motors for these applications, which would benefit from the integrated nature of the motor, feedback device, and drive electronics in a single package. This paper introduces a methodology for trajectory planning for the reciprocating motion for a linear motion device. The methodology can be implemented on any device, and a simplified version can be applied to the control software for integrated servo motors. The approach develops motion trajectories, such as triangular or trapezoidal, using a dynamic model of the device and the motor’s torque–speed profile characteristics. The simplified version of the methodology was implemented using an integrated servo motor driving a ball screw stage. Tests were conducted at various motion rates and loads. The experimental results show high accuracy between the predicted and measured motion rates, particularly for rates below three cycles per second. These results suggest that the developed methodology can be a valuable tool for predicting the performance of systems that use integrated servo motors for reciprocating motion applications.
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spelling doaj-art-52c744bdda174e12a4fe1bf873cf19772024-12-27T14:37:13ZengMDPI AGMachines2075-17022024-12-01121293410.3390/machines12120934Trajectory Planning for Reciprocating Motion in Integrated Servo Motor Linear StagesMax Schnegas0Musa K. Jouaneh1Department of Mechanical, Industrial and Systems Engineering, University of Rhode Island, Kingston, RI 02881, USADepartment of Mechanical, Industrial and Systems Engineering, University of Rhode Island, Kingston, RI 02881, USAMany applications in manufacturing, physical therapy, and machining require linear motion stages to move back and forth at specified rates without exceeding the capabilities of the stages. Growing interest has also been in using integrated servo motors for these applications, which would benefit from the integrated nature of the motor, feedback device, and drive electronics in a single package. This paper introduces a methodology for trajectory planning for the reciprocating motion for a linear motion device. The methodology can be implemented on any device, and a simplified version can be applied to the control software for integrated servo motors. The approach develops motion trajectories, such as triangular or trapezoidal, using a dynamic model of the device and the motor’s torque–speed profile characteristics. The simplified version of the methodology was implemented using an integrated servo motor driving a ball screw stage. Tests were conducted at various motion rates and loads. The experimental results show high accuracy between the predicted and measured motion rates, particularly for rates below three cycles per second. These results suggest that the developed methodology can be a valuable tool for predicting the performance of systems that use integrated servo motors for reciprocating motion applications.https://www.mdpi.com/2075-1702/12/12/934trajectory planningintegrated servo motorsreciprocating motionlinear motion stages
spellingShingle Max Schnegas
Musa K. Jouaneh
Trajectory Planning for Reciprocating Motion in Integrated Servo Motor Linear Stages
Machines
trajectory planning
integrated servo motors
reciprocating motion
linear motion stages
title Trajectory Planning for Reciprocating Motion in Integrated Servo Motor Linear Stages
title_full Trajectory Planning for Reciprocating Motion in Integrated Servo Motor Linear Stages
title_fullStr Trajectory Planning for Reciprocating Motion in Integrated Servo Motor Linear Stages
title_full_unstemmed Trajectory Planning for Reciprocating Motion in Integrated Servo Motor Linear Stages
title_short Trajectory Planning for Reciprocating Motion in Integrated Servo Motor Linear Stages
title_sort trajectory planning for reciprocating motion in integrated servo motor linear stages
topic trajectory planning
integrated servo motors
reciprocating motion
linear motion stages
url https://www.mdpi.com/2075-1702/12/12/934
work_keys_str_mv AT maxschnegas trajectoryplanningforreciprocatingmotioninintegratedservomotorlinearstages
AT musakjouaneh trajectoryplanningforreciprocatingmotioninintegratedservomotorlinearstages