Accession Number : AD0818371

Title :   THE DIGITAL COMPUTER PROGRAM AMUSIM: AN ANALYSIS OF THE DYNAMIC PERFORMANCE OF AN ASTRONAUT MANEUVERING SYSTEM.

Descriptive Note : Master's thesis,

Corporate Author : AIR FORCE INST OF TECH WRIGHT-PATTERSON AFB OH SCHOOL OF ENGINEERING

Personal Author(s) : Bryan, Hayes Richard ; Bustle, Lawrence Elmer

Report Date : JUN 1967

Pagination or Media Count : 262

Abstract : The performance of an astronaut maneuvering system (AMS, an astronaut in a pressure suit, wearing an astronaut maneuvering unit and other equipment) which incorporates a control moment gyro astronaut maneuvering unit (AMU) is simulated by a digital computer program. Three modes of operation permit specification of (1) angular or linear displacements and rates, (2) AMU control inputs versus time, or (3) external forces and torques versus time. Variations of 36 variables with time are computed and plotted, including gimbal movements, AMS rotations and translations, thrust and moment vectors, and fuel expenditures. The inertial properties of the AMS are computed from a digital computer program which contains options of using programmed or input specifications for (1) astronaut measurements and weight, (2) pressure suit, (3) astronaut body positions, (4) AMU, and (5) miscellaneous additional equipment. Both programs are appended. (Author)

Descriptors :   (*COMPUTER PROGRAMS, MANEUVERABILITY), (*ASTRONAUTS, MANEUVERABILITY), (*EXTRAVEHICULAR ACTIVITY, ASTRONAUTS), SPACE PROPULSION, PERFORMANCE(ENGINEERING), MATHEMATICAL MODELS, SIMULATION, EQUATIONS OF MOTION, MOMENTUM, WEIGHTLESSNESS, INERTIA, TENSOR ANALYSIS, JET PROPULSION, THESES, DIGITAL COMPUTERS, MATRICES(MATHEMATICS), EULER ANGLES.

Subject Categories : Computer Programming and Software
      Computer Hardware
      Astronautics

Distribution Statement : APPROVED FOR PUBLIC RELEASE