• 1Exoskeleton p2 x640 1961 2   Cornell Aeronautical Labs Man Amplifier   Neil Mizen (American)

    Auguts 15, 2014

     Cornell Aeronautical Laboratories of Buffalo, New York  were producing papers on Man Amplifiers as early as 1960. In 1961 they received a grant to explore these ideas. Initial work was on an exoskeleton, and later work on a mock-up.

    There are some initial concepts one has to be aware of in understanding Man Amplifiers.

    Typically there is a master component, and a slave component. In other teleoperated manipulators, they are physically and spatially separate.  In the exoskeleton man-amplifier, they are together. In the Cornell Man-Amplifier, one of the problems encountered was the close proximity of the control harness (master) with the powered exoskeleton.

    You will often see the phrase “bilateral force feedback with force reflection”.

    Bilateral force feedback meaning that both the master and slave units have common joints and position and force information can be transmitted in both directions (from operator to task and vice versa).  Force feedback is when, for example, an obstacle is met with some resistance, that the resistance is felt back at the master. E.g. if you were to place an object next to a wall, you, as the operator, would feel the wall if the object being held by the slave unit touched it.

    Force reflection is force feedback but the power can also be amplified. A force-reflection ratio of 1:1 would be normal force-feedback (compensation for the units weight and inertia). A ratio of 1:10 would mean that, for example, the person operating the master unit would lift an object of 1 kilogram would amplify to 10 kilograms at the powered slave end.  The ratio can also go in the other direction and could apply to manipulators such as those used for surgical procedures.

    The first prototype man amplifier wasn’t to be seen until General Electric built their , based on results from the Cornell research.


    There are a few articles on Cornell’s Exoskeleton. The pdf’s are :

    1. 

    2. 

    3. 

    4.

    5. 

    See also Mizen’s patent for the Man-Amplifier 

    The below video clip was recently placed on Youtube by Neil Mizen’s son.

     

    The person in the video and in the below pics is Ronald J. Patterson, a technician from Cornell Aeronautical Labs at the time.

    Exoskeleton actuators PS Nov65 x640 1961 2   Cornell Aeronautical Labs Man Amplifier   Neil Mizen (American)

    Machines With strength ScienceJournalOct68 p4 x640 1961 2   Cornell Aeronautical Labs Man Amplifier   Neil Mizen (American)

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    Exoskeleton flexibility p3 x640 1961 2   Cornell Aeronautical Labs Man Amplifier   Neil Mizen (American)

    man amplifier bionics pt2 x640 1961 2   Cornell Aeronautical Labs Man Amplifier   Neil Mizen (American)

    man amplifier bionics x640 1961 2   Cornell Aeronautical Labs Man Amplifier   Neil Mizen (American)

    Note: The description above incorrectly describes the exoskeleton as having motors. Unfortunately Cornell never got to the powered stage.

     

     1961 2   Cornell Aeronautical Labs Man Amplifier   Neil Mizen (American)

     1961 2   Cornell Aeronautical Labs Man Amplifier   Neil Mizen (American)


    Exoskeleton uses p4 x640(1) 1961 2   Cornell Aeronautical Labs Man Amplifier   Neil Mizen (American)

    Exoskeleton uses p5 x640 1961 2   Cornell Aeronautical Labs Man Amplifier   Neil Mizen (American)


    POWERED EXOSKELETAL APPARATUS FOR AMPLIFYING HUMAN STRENGTH IN RESPONSE TO NORMAL BODY MOVEMENTS.
    Neil J. Mizen et al

    Patent number: 3449769
    Filing date: Jun 27, 1966
    Issue date: Jun 17, 1969

     1961 2   Cornell Aeronautical Labs Man Amplifier   Neil Mizen (American)


    Machines With strength ScienceJournalOct68 myo x640 1961 2   Cornell Aeronautical Labs Man Amplifier   Neil Mizen (American)

    Some of the concents of the exoskeleton were spun off for possible use in rehabilitation. Above we see the “Myotron”, where the powered exoskeleton is exercising the disabled limbOther Robot Sites

    OTHER ROBOT SITES

     
     

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