+ Visit NASA.gov + Contact NASA   + Home Select Search Field * All Report - Patent Number Abstract *Accession Number *NASA Center *Author NameDocument IDKeywordsPublication Date *Title * Find Results With All of the words At least one of the words Enter Search Term  within returned results    Search Tips: Use only the fields with * to search NIX collection. Enclose terms in double quotation marks (") to search for exact phrases, ie: "space shuttle". NOTE: Commas and dashes are removed from search term by search engine. Select Reset Search button to start a new search. See Help for more tips. + NASA Center + Publication Year + Subject + Item/Media Type Selected Navigations: Author > Mukhopadhyay, A. K. [x] Sort results by: NASA Center | Date Added to NTRS | Publication Year There are a total of 16 record(s) matching your query. Sorted by: Date Added To NTRS in Descending order 1 2 Next  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 1 2 Next  + Back to Top + Sponsored by the NASA Scientific and Technical    Information Program + 2004 Vision for Space Exploration + Freedom of Information Act + NASA Web Privacy Policy and Important Notices + NASA Disclaimers, Copyright Notice,    and Terms and Conditions of Use NASA Official: Calvin Mackey Page Curator: NASA Center for AeroSpace Information (help@sti.nasa.gov) Last Updated: July 5, 2007