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A Soft Synergy-based Hand Prosthesis with Hybrid Control

A Soft Synergy-based Hand Prosthesis with Hybrid Control

Objective

In the project “SoftHands” we have achieved not only a more thorough understanding of the organization and control of hands, but also a principled approach to taming the complexity of hand design. The original concept of “soft synergies” has underpinned the realization of radically new artificial hands: “SoftHands” have been demonstrated to be more adaptive and capable than most artificial hands, yet are simpler to control and more robust. One application of these ideas and technologies which stands out for potential impact and social relevance, although not originally foreseen in the ERC AG plan, is the realization of upper limb pros-theses. The objective to realize a prosthetic hand that is anthropomorphic, aesthetically pleasing, and enables an amputee to perform most activities of daily living as well as advanced prostheses, while being robust, intuitive, and economic as basic body-powered split-hook prostheses requires a much longer and larger re-search and development effort than an ERC POC can support. In this proposal we study the feasibility of applying the SoftHand technology to address one particular, but very important, objective, i.e. work-oriented prostheses. The specific requirements of these applications are high grip power, grasp versatility, resilience, resistance to water, dust, and temperature, durability, power autonomy and low cost – while factors such as aesthetics or silent operation are less dominant. Of particular relevance is the control interface with the patient. Virtually all work-oriented prostheses are operated via a body-powered cable, which is very intuitive to use and does not need batteries, motors, and sensors. On the other hand, advanced multi-fingered prostheses have sophisticated myoelectric control affording versatility and dexterity. In this project, we will engineer and experiment a novel hybrid control for a SoftHand prosthe-sis, whereby a traditional cable harness commands the advanced mechatronic system of the SoftHand.
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Host institution

FONDAZIONE ISTITUTO ITALIANO DI TECNOLOGIA

Address

Via Morego 30
16163 Genova

Italy

Activity type

Higher or Secondary Education Establishments

EU Contribution

€ 76 037

Beneficiaries (2)

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FONDAZIONE ISTITUTO ITALIANO DI TECNOLOGIA

Italy

EU Contribution

€ 76 037

QBROBOTICS SRL

Italy

EU Contribution

€ 73 750

Project information

Grant agreement ID: 727536

Status

Closed project

  • Start date

    1 January 2017

  • End date

    31 March 2018

Funded under:

H2020-EU.1.1.

  • Overall budget:

    € 149 787

  • EU contribution

    € 149 787

Hosted by:

FONDAZIONE ISTITUTO ITALIANO DI TECNOLOGIA

Italy