Smart Tendon Actuated Flexible Actuator

We investigate the kinematic feasibility of a tendon-based flexible parallel platform actuator. Much of the research on tendon-driven Stewart platforms is devoted either to the completely restrained positioning mechanism (CRPM) or to one particular type of the incompletely restrained positioning mec...

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Main Authors: Md. Masum Billah, Raisuddin Khan
Format: Article
Language:English
Published: Wiley 2015-01-01
Series:Journal of Robotics
Online Access:http://dx.doi.org/10.1155/2015/295410
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author Md. Masum Billah
Raisuddin Khan
author_facet Md. Masum Billah
Raisuddin Khan
author_sort Md. Masum Billah
collection DOAJ
description We investigate the kinematic feasibility of a tendon-based flexible parallel platform actuator. Much of the research on tendon-driven Stewart platforms is devoted either to the completely restrained positioning mechanism (CRPM) or to one particular type of the incompletely restrained positioning mechanism (IRPM) where the external force is provided by the gravitational pull on the platform such as in cable-suspended Stewart platforms. An IRPM-based platform is proposed which uses the external force provided by a compliant member. The compliant central column allows the configuration to achieve n DOFs with n tendons. In particular, this investigation focuses on the angular deflection of the upper platform with respect to the lower platform. The application here is aimed at developing a linkable module that can be connected to one another so as to form a “snake robot” of sorts. Since locomotion takes precedence over positioning in this application, a 3-DOF Stewart platform is adopted. For an arbitrary angular displace of the end-effector, the corresponding length of each tendon can be determined through inverse kinematics. Mathematical singularities are investigated using the traditional analytical method of defining the Jacobian.
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spelling doaj-art-b3844e35918a4c59ba7e8503a4a217d92025-08-20T02:23:26ZengWileyJournal of Robotics1687-96001687-96192015-01-01201510.1155/2015/295410295410Smart Tendon Actuated Flexible ActuatorMd. Masum Billah0Raisuddin Khan1Department of Mechatronics Engineering, Faculty of Engineering, International Islamic University Malaysia, 53100 Kuala Lumpur, MalaysiaDepartment of Mechatronics Engineering, Faculty of Engineering, International Islamic University Malaysia, 53100 Kuala Lumpur, MalaysiaWe investigate the kinematic feasibility of a tendon-based flexible parallel platform actuator. Much of the research on tendon-driven Stewart platforms is devoted either to the completely restrained positioning mechanism (CRPM) or to one particular type of the incompletely restrained positioning mechanism (IRPM) where the external force is provided by the gravitational pull on the platform such as in cable-suspended Stewart platforms. An IRPM-based platform is proposed which uses the external force provided by a compliant member. The compliant central column allows the configuration to achieve n DOFs with n tendons. In particular, this investigation focuses on the angular deflection of the upper platform with respect to the lower platform. The application here is aimed at developing a linkable module that can be connected to one another so as to form a “snake robot” of sorts. Since locomotion takes precedence over positioning in this application, a 3-DOF Stewart platform is adopted. For an arbitrary angular displace of the end-effector, the corresponding length of each tendon can be determined through inverse kinematics. Mathematical singularities are investigated using the traditional analytical method of defining the Jacobian.http://dx.doi.org/10.1155/2015/295410
spellingShingle Md. Masum Billah
Raisuddin Khan
Smart Tendon Actuated Flexible Actuator
Journal of Robotics
title Smart Tendon Actuated Flexible Actuator
title_full Smart Tendon Actuated Flexible Actuator
title_fullStr Smart Tendon Actuated Flexible Actuator
title_full_unstemmed Smart Tendon Actuated Flexible Actuator
title_short Smart Tendon Actuated Flexible Actuator
title_sort smart tendon actuated flexible actuator
url http://dx.doi.org/10.1155/2015/295410
work_keys_str_mv AT mdmasumbillah smarttendonactuatedflexibleactuator
AT raisuddinkhan smarttendonactuatedflexibleactuator