Exploratory Investigation Of The Man Amplifier Concept

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Report Number: AMRL TDR 62-89
Author(s): Clark, D. C., Deleys, N. J., Matheis, C. W.
Corporate Author(s): Air Force Aerospace Medical Research Lab Wright-Patterson AFB Oh
Laboratory: Behavioral Sciences Laboratory
Date of Publication: 1962-08
Pages: 74
Contract: AF 18(600)-1922
DoD Project: 7184
DoD Task: 718406
Identifier: AD0290070

Abstract:
Preliminary investigations were conducted to ascertain and define some of the major problems and uncertainties requiring additional research before feasibility of the Man Amplifier concept can be evaluated. Study areas included possible Air Force applications as a basis for selecting a maximum load-carrying capability, human factors from the standpints of body kinematics and physical anthropology, structures and mechanical design, and servo system and power requirements. The dynamic response characteristics of an elbow-joint amplifier, as determined theoretically and experimentally, were compared. Comparison of position tracking tests performed both with and without power boost provided by the elbow-joint servo indicated that employment of power boost did not increase the tracking error above that exhibited by the unaided operator. It was concluded that (1) duplication, in the Man Amplifier, of all the human joint motion capability is impractical; (2) experimentation is necessary to determine the essential joints, motion ranges, and dynamic responses; (3) the inability to counter the overturning moments will, in many instances, limit the load-handling capability; (4) conventiaonal valve-controlled hydraulic servos are unsuitable for the Man Amplifier, (5) particularly difficult probems will be encountered in the general areas of mechanical design, sensors, and servo-mechanisms. Some specific tasks that should be undertaken to assess engineering feasibility of the concept are outlined.

Provenance: Lockheed Martin Missiles & Fire Control

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