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There are a total of 16 record(s) matching your query.
Sorted by: Date Added To NTRS in Descending order
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Performance verification and system parameter identification of spacecraft tape recorder control servo
Author(s): Mukhopadhyay, A. K.
Abstract: Design adequacy of the lead-lag compensator of the frequency loop, accuracy checking of the analytical expression for the electrical motor transfer function, and performance evaluation of the speed control servo of the ...
NASA Center: Jet Propulsion Laboratory Publication Year: 1979
Added to NTRS: 2004-11-03
Accession Number: 79A41736; Document ID: 19790057723
Monte Carlo modeling of the Martian atmosphere from Viking mission design point of view
Author(s): Mukhopadhyay, A. K.
Abstract: Martian atmosphere modeling for obtaining Viking lander spacecraft design margins by Monte Carlo method
NASA Center: NASA (non Center Specific) Publication Year: 1970
Added to NTRS: 2004-11-03
Accession Number: 70A30564; Document ID: 19700054448
Study of the effect of static/dynamic Coulomb friction variation at the tape-head interface of a spacecraft tape recorder by non-linear time response simulation
Author(s): Mukhopadhyay, A. K.
Abstract: A description is presented of six simulation cases investigating the effect of the variation of static-dynamic Coulomb friction on servo system stability/performance. The upper and lower levels of dynamic Coulomb friction ...
NASA Center: NASA (non Center Specific) Publication Year: 1978
Added to NTRS: 2004-11-03
Accession Number: 78A51253; Document ID: 19780067344
Subsystem weight trade-off studies for the design optimization of an out-of-orbit Mars soft lander
Author(s): Mukhopadhyay, A. K.
Abstract: Subsystem weight trade-offs for design optimization of out-of-orbit Mars soft lander, using atmosphere and surface environmental Monte Carlo model
NASA Center: NASA (non Center Specific) Publication Year: 1970
Added to NTRS: 2004-11-03
Accession Number: 70A26215; Document ID: 19700050099
Transfer function verification and block diagram simplification of a very high-order distributed pole closed-loop servo by means of non-linear time-response simulation
Author(s): Mukhopadhyay, A. K.
Abstract: Linear frequency domain methods are inadequate in analyzing the 1975 Viking Orbiter (VO75) digital tape recorder servo due to dominant nonlinear effects such as servo signal limiting, unidirectional servo control, and ...
NASA Center: Jet Propulsion Laboratory Publication Year: 1975
Added to NTRS: 2004-11-03
Accession Number: 76A42089; Document ID: 19760059123
Economic and engineering implications of the Project Independence 1985 geothermal energy output goal and the associated sensitivity analysis
Author(s): Mukhopadhyay, A. K.
Abstract: No Abstract Available
NASA Center: Jet Propulsion Laboratory Publication Year: 1976
Added to NTRS: 2004-11-03
Accession Number: 77A12745; Document ID: 19770029893
Effect of trajectory, guidance, and environmental parameters and uncertainties on the design optimization of the out-of-orbit Viking soft lander
Author(s): Mukhopadhyay, A. K.
Abstract: Trajectory, guidance and environmental parameters and uncertainties effect on design optimization of out-of-orbit Viking soft lander
NASA Center: NASA (non Center Specific) Publication Year: 1970
Added to NTRS: 2004-11-03
Accession Number: 70A18134; Document ID: 19700042018; Report Number: AIAA PAPER 70-99
Discrete event simulation and the resultant data storage system response in the operational mission environment of Jupiter-Saturn /Voyager/ spacecraft
Author(s): Mukhopadhyay, A. K.
Abstract: The Data Storage Subsystem Simulator (DSSSIM) simulating (by ground software) occurrence of discrete events in the Voyager mission is described. Functional requirements for Data Storage Subsystems (DSS) simulation are ...
NASA Center: Jet Propulsion Laboratory Publication Year: 1978
Added to NTRS: 2004-11-03
Accession Number: 80A49834; Document ID: 19800065664
Time response simulation of the guidance and control system of an automatically steered wire-following vehicle
Author(s): Mukhopadhyay, A. K.; Dobrotin, B. M.
Abstract: Time-response simulation studies carried out in support of the development and validation of the guidance/steering subsystem of a wire-following-vehicle (WFV) are described. A lateral guidance system is outlined, field ...
NASA Center: Jet Propulsion Laboratory Publication Year: 1979
Added to NTRS: 2004-11-03
Accession Number: 80A47557; Document ID: 19800063387
Automated flight path design for planetary flyby missions using advanced interactive graphics hardware/software
Author(s): Mukhopadhyay, A. K.
Abstract: Computer graphic interactive flight path design program for planetary flyby missions
NASA Center: NASA (non Center Specific) Publication Year: 1971
Added to NTRS: 2004-11-03
Accession Number: 71A43050; Document ID: 19710062353; Report Number: AAS PAPER 71-380
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