The Online Books Page

Online Books by

L. Keith Barker

Books from the extended shelves:

• Barker, L. Keith: Analysis of effects of spanwise variations of gust velocity on a vane-controlled gust-alleviation system / (Washington, D.C. : National Aeronautics and Space Administration : [For sale by the Clearinghouse for Federal Scientific and Technical, Springfield, Virginia 22151], 1971), also by Gene W. Sparrow, Langley Research Center, and United States National Aeronautics and Space Administration (page images at HathiTrust)
• Barker, L. Keith: An analytical investigation of a simplified thrust-vector orientation technique for establishing lunar orbits / (Washington, D.C. : National Aeronautics and Space Administration ; Springfield, Va. : For sale by the Clearinghouse for Federal Scientific and Technical Information, [1966]), also by Gene W. Sparrow and Langley Research Center (page images at HathiTrust)
• Barker, L. Keith: Analytical method for determining the stability of linear retarded sytems with two delays / (Washington, D.C. : National Aeronautics and Space Administration ; [Springfield, Va. : For sale by the National Technical Information Service], 1975), also by J. L. Whitesides and Langley Research Center (page images at HathiTrust)
• Barker, L. Keith: Analytical study of lunar landing trajectories with reference to the lunar-orbit-rendezvous mode and possible abort situations / (Washington, D.C. : National Aeronautics and Space Administration, 1963), also by James L. Williams, Langley Research Center, and United States National Aeronautics and Space Administration (page images at HathiTrust; US access only)
• Barker, L. Keith: Effect of coefficient changes on stability of linear retarded systems with constant time delays / (Washington : National Aeronautics and Space Administration ; Springfield, Va. : For sale by the National Technical Information Service, 1977), also by United States National Aeronautics and Space Administration (page images at HathiTrust)
• Barker, L. Keith: Effect of limited amplitude and rate of flap motion on vane-controlled gust-alleviation system / (Washington, D.C. : National Aeronautics and Space Administration : [For sale by the Clearinghouse for Federal Scientific and Technical Information, Springfield, Virginia 22151], 1972), also by Gene W. Sparrow, Daniel J. Crawford, Langley Research Center, and United States National Aeronautics and Space Administration (page images at HathiTrust)
• Barker, L. Keith: Effects of spanwise variation of gust velocity on alleviation system designed for uniform gust velocity across span / (Washington, D.C. : National Aeronautics and Space Administration ; Springfield, VA : For sale by the Clearinghouse for Federal Scientific and Technical Information, 1971), also by Langley Research Center and United States National Aeronautics and Space Administration (page images at HathiTrust; US access only)
• Barker, L. Keith: Kinematic control of robot with degenerate wrist / (Washington, D.C. : National Aeronautics and Space Administration, Scientific and Technical Information Branch ; [Springfield, Va. : For sale by the National Technical Information Service], 1984), also by Mary C. Moore and United States. National Aeronautics and Space Administration. Scientific and Technical Information Branch (page images at HathiTrust)
• Barker, L. Keith: Kinematic rate control of simulated robot hand at or near wrist singularity / (Washington, D.C. : National Aeronautics and Space Administration, Scientific and Technical Information Branch ; Springfield, Va. : For sale by the National Technical Information Service, 1985), also by Susan W. Carzoo, Jacob A. Houck, and Langley Research Center (page images at HathiTrust)
• Barker, L. Keith: A manual abort guidance technique with concentric-flight-plan rendezvous / (Washington, D.C. : National Aeronautics and Space Administration ; Springfield, VA : For sale by the Clearinghouse for Federal Scientific and Technical Information, 1967), also by G. Kimball Miller, Langley Research Center, and United States National Aeronautics and Space Administration (page images at HathiTrust)
• Barker, L. Keith: A manual method for control of the thrust axis during planar ascent from the lunar surface to a circular orbit / (Washington, D.C. : National Aeronautics and Space Administration : [For sale by the Clearinghouse for Federal Scientific and Technical Information, Springfield, Virginia], 1966), also by Herman S. Fletcher and United States National Aeronautics and Space Administration (page images at HathiTrust; US access only)
• Barker, L. Keith: Marking parts to aid robot vision / (Washington, D.C. : National Aeronautics and Space Administration, Scientific and Technical Information Branch ; [Springfield, Va. : For sale by the National Technical Information Service], 1981), also by John W. Bales, Langley Research Center, and United States. National Aeronautics and Space Administration. Scientific and Technical Information Branch (page images at HathiTrust)
• Barker, L. Keith: Mikhailov stability criterion for time-dalayed systems / ([Washington] : National Aeronautics and Space Administration, Scientific and Technical Information Office ; Springfield, Va. : For sale by the National Technical Information Service, 1979), also by Langley Research Center and United States. National Aeronautics and Space Administration. Scientific and Technical Information Office (page images at HathiTrust)
• Barker, L. Keith: Modified Denavit-Hartenberg parameters for better location of joint axis systems in robot arms / (Washington, D.C. : National Aeronautics and Space Administration, Scientific and Technical Information Branch ; Springfield, Va. : For sale by the National Technical Information Service, 1986), also by Langley Research Center (page images at HathiTrust)
• Barker, L. Keith: Optimized resolved rate control of seven-degree-of-freedom Laboratory Telerobotic Manipulator (LTM) with application to three-dimensional graphics simulation / (Washington, D.C. : National Aeronautics and Space Administration, Office of Management, Scientific and Technical Information Division ; Springfield, Va. : For sale by the National Technical Information Service, 1989), also by William S. McKinney and Langley Research Center (page images at HathiTrust)
• Barker, L. Keith: Power-spectral-density relationship for retarded differential equations / (Washington, D.C. : National Aeronautics and Space Administration ; [Springfield, Va. : For sale by the National Technical Information Service], 1974), also by Langley Research Center (page images at HathiTrust)
• Barker, L. Keith: Simple method of using onboard optical measurements to predict the orbit established after the lunar-ascent-transfer orbit / (Washington, D.C. : National Aeronautics and Space Administration ; [Springfield, Va. : For sale by the Clearinghouse for Federal Scientific and Technical Information, 1970]), also by Herman S. Fletcher and Langley Research Center (page images at HathiTrust)
• Barker, L. Keith: Simplified technique for determining pericynthion altitude of lunar orbits / (Washington, D.C. : National Aeronautics and Space Administration : [For sale by the Clearinghouse for Federal Scientific and Technical Information, Springfield, Virginia 22151], 1968), also by United States National Aeronautics and Space Administration (page images at HathiTrust; US access only)
• Barker, L. Keith: Stability boundaries for systems with frequency-model feedback and complementary filter / (Washington, D.C. : National Aeronautics and Space Administration, Scientific and Technical Information Branch; [Springfield, Va. : For sale by the National Technical Information Service], 1980), also by Langley Research Center and United States. National Aeronautics and Space Administration. Scientific and Technical Information Branch (page images at HathiTrust)
• Barker, L. Keith: A technique for thrust-vector orientation during manual control of lunar landings from a synchronous orbit / (Washington, D.C. : National Aeronautics and Space Administration : For sale by the Office of Technical Services, Dept. of Commerce, [1964]), also by M. J. Queijo and Langley Research Center (page images at HathiTrust)
• Barker, L. Keith: Theoretical method for calculating relative joint geometry of assembled robot arms / (Washington, D.C. : National Aeronautics and Space Administration, Scientific and Technical Information Branch ; [Springfield, Va. : For sale by the National Technical Information Service], 1983), also by Mary C. Moore and United States. National Aeronautics and Space Administration. Scientific and Technical Information Branch (page images at HathiTrust)
• Barker, L. Keith: Translation control of a graphically simulated robot arm by kinematic rate equations that overcome elbow joint singularity / (Washington, D.C. : National Aeronautics and Space Administration, Scientific and Technical Information Branch ; [Springfield, Va. : For sale by the National Technical Information Service], 1984), also by Susan W. Carzoo, Jacob A. Houck, and United States. National Aeronautics and Space Administration. Scientific and Technical Information Branch (page images at HathiTrust)
• Barker, L. Keith: Vector-algebra approach to extract Denavit-Hartenberg parameters of assembled robot arms / (Washington, D.C. : National Aeronautics and Space Administration, Scientific and Technical Information Branch ; [Springfield, Va. : For sale by the National Technical Information Service], 1983), also by United States. National Aeronautics and Space Administration. Scientific and Technical Information Branch (page images at HathiTrust)

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