Static analysis of an energy storage and return (ESAR) prosthetic foot

Sugiharto, Arif; Ferryanto, F.; Tazakka, Harridhi Dzar; Mahyuddin, Andi Isra; Wibowo, Agung; Mihradi, Sandro

doi:10.1063/1.5139380

Cited by 2 publications

(2 citation statements)

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“…The mechanical design is based on SPARKy, with a few differences. The ESAR foot used in this work is based on previous research by Sugiharto, et al [26], Tazakka [27], and Bawonoputro [29] and aims to create a low-cost prosthetic foot that is made entirely of aluminum but still has the same properties as the commercial carbon fiber foot characterized by Geil [30]. Figures 5(a) and (b) show a 3D model of the robotic ankle and the manufactured prototype, respectively.…”

Section: Indonesian Prosthesis Designmentioning

confidence: 99%

“…Preliminary work regarding the redesign has been previously presented in Sutawika [24] and Ferryanto, et al [25]. The innovative low-cost passive Energy Storage and Return (ESAR) foot analyzed by Sugiharto, et al [26] and Tazakka [27] was incorporated into the design to add a foot with better anthropometric resemblance to Indonesian people. The prosthetic ankle was manufactured and a low-level control system layer was developed to control normal walking mode.…”

Section: Introductionmentioning

confidence: 99%

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Redesign of a Biomechanical Energy Regeneration-based Robotic Ankle Prosthesis using Indonesian Gait Data

Sutawika

Indrawanto

Ferryanto

et al. 2021

J. Eng. Technol. Sci.

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In this research, the robotic ankle design from Arizona State University (ASU) known as SPARKy was redesigned to accommodate the specific needs of Indonesian people. Most active prosthetic legs are designed based on gait parameters for people from Western countries, which may differ for people from other cultures that have a different anthropometry and economic background. Indonesians have smaller actuating power characteristics compared to people from Western cultures due to their smaller average weight and body height. Thus, the applied design strategy took advantage of a biomechanical energy regeneration scheme to reduce the actuator input power requirement and the relatively smaller mechanical power of the typical Indonesian ankle to create a potentially affordable robotic ankle with a smaller actuator that meets the technical specifications. The specifications of the powered prosthetic ankle were determined through the same methods used by SPARKy. Only one low-level control system, to actuate normal walking, was designed and tested on a fully assembled robotic ankle. The test results indicated a promising low-level control, where the robotic ankle can follow the predetermined trajectory required to actuate normal walking based on Indonesian gait data.

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Section: Indonesian Prosthesis Designmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%