Work Life in the Light of the Demographic Change: Case Study Force Assistive Device for Craftsmen

  • Steffen Petereit
  • Amos Albert
  • Nidhal Jeridi
  • Richard Schoenleber
  • Christof Rebmann
  • Heike Vallery
Part of the Advanced Technologies and Societal Change book series (ATSC)

Abstract

The trend of aging society has impacts on all parts of daily life. For instance work lifetime is expected to increase and in combination with rising quality and efficiency demands there is need for new technologies, working processes and assistance systems. For the latter, applied to the domain of craftsmen, systems seem to be reasonable which allow force assistance, augmentation, increase in safety and/or guidance functions. Required technology blocks to implement such functions are mainly available already today. This article is dealing with force assistance and describes an electro–mechanical system – the demonstrator of a so called “3rd Arm” – which actively supports the user when handling heavy power tools. The “3rd Arm” consists mainly of cost–effective mass–market compliant components. It is attached to a harness at the waist of the craftsman and relieves craftsmen from hard and fatiguing works. Two functions were implemented and evaluated. First the compensation of gravitational forces of the tool by means of a force control in order to achieve an utmost transparent behaviour. Secondly, so called “Virtual Fixtures” were used to implement a positioning assistance when repeating tasks are to be fulfilled at the same working height.

Keywords

Force Control Work Life Gravity Compensation Rehabilitation Robot Rehabilitation Robotic 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag GmbH Berlin Heidelberg 2012

Authors and Affiliations

  • Steffen Petereit
    • 1
  • Amos Albert
    • 1
  • Nidhal Jeridi
    • 2
  • Richard Schoenleber
    • 1
  • Christof Rebmann
    • 1
  • Heike Vallery
    • 2
  1. 1.Central Research and Advance EngineeringRobert Bosch GmbHSchwieberdingenGermany
  2. 2.Institute of Robotics and Intelligent Systems, Sensory–Motor Systems LabETH ZurichZurichSwitzerland

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