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    A cable-driven grasping mechanism with lock/unlock constraints

    , Article Proceedings of the ASME Design Engineering Technical Conference ; Volume 6 A , 2013 ; 9780791855935 (ISBN) Abyaneh, S ; Saber, O ; Zohoor, H ; Sharif University of Technology
    American Society of Mechanical Engineers  2013
    The application of manipulators is becoming more and more popular in object handling especially when it is desired to have access to remote areas in destructive or hazardous taskspaces. For this purpose, a hand-like mechanism must be designed to be used as an end-effector, which can grasp objects. In this paper a cable driven grasping mechanism has been presented. In the proposed mechanism each finger consists of three phalanxes which are actuated by a single motor. Locking and unlocking constraints are used in the mechanism in order to generate an anthropomorphic motion, in which, the order of reaching phalanxes to the object is sequential. In this way, each phalanx starts moving toward the... 

    An alternative approach for the prevention of deforestation using renewable energies as substitute

    , Article Renewable Energy ; Volume 49 , March , 2013 , Pages 77-79 ; 09601481 (ISSN) Abbaspour, M ; Ghazi, S ; Sharif University of Technology
    The promotion of the adoption of renewable energies in deprived and remote areas can be considered as an important step towards reduction of threats to the loss of biodiversity through community mobilization. One important outcome is mitigation of the deforestation processes through firewood collection. The aim is achievement of sustainable development of the forest biodiversity, awareness raising and the capacity building for execution of similar projects. The social and economical aspects and the obstacles for execution of such project were investigated and guidelines were prepared to facilitate the promotion of renewable energy in similar small communities