51–100 von 586 Ergebnissen
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    Analysis of the dynamic behaviour of a car power unit for comfort optimisation

    Campanile, P. / Urbinati, M. / Saluini, P. et al. | Tema Archiv | 1994
    Noise reduction and optimal passenger vibration isolation are more and more a necessary feature for modern vehicles. In this paper we ...

    Non-modal method of structure dynamic response identification for a prototype commercial jet aircraft fuselage

    Li, W.X. / Mitchell, L.D. / Lu, M.F. | Tema Archiv | 1994
    For a high modal density, high damping, and complex structure, various well known modal parameter estimation techniques often fails due to ...

    Active control studies of structurally transmitted engine vibration on commercial airplanes

    White, J.L. / Shipley, S.A. / Yantis, T.F. | Tema Archiv | 1994

    The steady state response calculation and damping vibration analysis of shrouded blades

    Ren, Yungsheng / Zhu, Demao | Tema Archiv | 1994
    . The related computer programs are written in fortran 77. The numeric analysis for the blades is completed. ...

    Dynamic modeling of a spot-welded car body component

    Carfagni, M. / Citti, P. / Preve, A. | Tema Archiv | 1994
    The aim of this work was to determine the optimal dynamic modeling criteria for molded components assembled with spot welding. To allow ...

    A study on the vibration and interior noise characteristics of a passenger car

    Sung, M.H. / Lee, J.M. / Kim, S.H. et al. | Tema Archiv | 1994

    Optimization of dynamic testing of space manipulators

    Kujath, M.R. / Akpan, U.O. | Tema Archiv | 1994
    experiments. The constraints of space experiments combined with the sluggishness of the space mainipulators pose very strict requirements for ...

    Prediction of vehicle interior noise using modal synthesis methods

    Wang, Yanping / Zheng, Muqiao | Tema Archiv | 1994
    conditions of the models, and has good agreements with its test results. The MSM can be consequently used for predicting the vehicle interior noise ...

    Experimental modal and principal field analysis of aircraft interior acoustics

    Auweraer, H. Van der / Otte, D. / Augusztinovicz, F. | Tema Archiv | 1994

    Modal sensitivities of automobile vehicle floor panels

    Cherng, J.G. / Akin, T. | Tema Archiv | 1994
    select proper dampers and bushings for a vehicle to eliminate or to reduce this structure borne noise is not an easy task. This paper presents a ...

    Laser processing of hazardous materials

    Smith, D. / Denney, P. | Tema Archiv | 1994
    fleets. Materials of most concern are asbestos, leaded and chromated paints, and polychlorinated biphenols (PCBs). Normal disposal methods for ...

    Optical fiber sensors for vehicle detection

    Meller, S. / Vries, M.J. de / Arya, V. et al. | Tema Archiv | 1995
    applications in industry for process control, and more recently for monitoring the health of advanced civil structures. Optical fiber sensors are ...

    Passive millimeter wave sensors for detection of buried mines

    Yujiri, L. / Hauss, B. / Shoucri, M. | Tema Archiv | 1995
    The detection of land mines and other ordnance on the battlefield has grown in importance with their increased use, not only for military ...

    Magnetic lateral guidance sensors for automated highways

    Stauffer, D. / Barrett, M. / Demma, N. et al. | Tema Archiv | 1995
    Automated highway systems will need sensors both for longitudinal guidance (intelligent speed control) and for lateral guidance relative to ...

    Frontiers in Infrared Windows and Dome Materials

    Harris, D.C. | Tema Archiv | 1995
    discussed. Engineering alternatives must be considered for extending the range of operating conditions for infrared windows and dome materials. ...

    Impact of adverse weather on sensors for vehicle collision avoidance systems

    Everson, J.H. / Kopala, E. / Lazofson, L. et al. | Tema Archiv | 1995
    An in-vehicle imaging sensor is proposed for achieving lateral control to avoid single vehicle roadway departure crashes. This ...

    Adavanced laser-based device for motor vehicle lane position monitoring and steering assistance

    Bachalo, W.D. / Inenaga, A. / Schuler, C. | Tema Archiv | 1995
    , used as a research tool to monitor driving patterns, be required equipment for those previously convicted of driving under the influence, or ...

    System identification and vibration control for composite structures with embedded actuators

    Resch, M. / Berg, H. / Elspass, W.J. | Tema Archiv | 1995
    The active control of vibration using point actuators has received much attention especially for aircraft and aerospace structural ...

    Comparative study of non-intrusive traffic monitoring sensors

    Duckworth, G.L. / Frey, M.L. / Remer, C.E. et al. | Tema Archiv | 1995
    Traffic data collection studies and management systems require accurate and cost-effective sensors for roadway volume vehicle speed, and ...

    Ultralightweight silicon carbide infrared cryogenic telescope

    Anapol, M. / Philippon, R. / Tucker, T. et al. | Tema Archiv | 1995
    silicon carbide telescope is an extremely attractive technology which offers the lightweight and stiffness features of beryllium, the optical ...

    An integrated stereo-based approach to automatic vehicle guidance

    Weber, J. / Koller, D. / Luong, Q.T. et al. | Tema Archiv | 1995
    A new approach is proposed for vision based longitudinal and lateral vehicle control. The novel feature of this approach is the use of ...

    The pizoelectric aeroelastic response tailoring investigation: a status report

    Heeg, J. / McGowan, A. / Crawley, E. et al. | Tema Archiv | 1995
    Experimental and analytical investigations are described about using piezoelectric actuators for tailoring the aeroelastic response of a ...

    The universal multizone crystallizator (UMC) furnance: an international cooperative agreement

    Watring, D.A. / Su, C.H. / Gillies, D. et al. | Tema Archiv | 1996
    The universal multizone crystallizator (UMC) has been developed and patented by a team at the University of Miskolc for crystal growth of ...

    Space processing of biopolymer/metal composites for NLO applications

    Trantolo, D.J. / Mogul, M.G. / Wise, D.L. et al. | Tema Archiv | 1996
    optical materials). The authors have previously demonstrated the rationale for orienting biopolymers, materials with known supramolecular ...

    Machine vision for ice layer thickness measurements

    Hermanto, I. / Gagnon, R.E. | Tema Archiv | 1996
    A patented technique for remotely measuring layer thickness of transparent fluids and solids on surfaces has been incorporated into ...

    Noiseless propulsion for swimming robotic structures using polyelectrolyte ion-exchange membrane

    Mojarrad, M. / Shahinpoor, M. | Tema Archiv | 1996
    frequency and amplitude, K for this experimental robotic swimmer using a rectangular strip of polyelectrolyte ion-exchange-metal-composite membrane ...

    Shape memory alloy TiNi actuators for twist control of smart wing designs

    Jardine, A.P. / Kudva, J.N. / Martin, C. et al. | Tema Archiv | 1996
    being studied for a subscale model of a fighter aircraft. The use of the SME (Shape Memory Alloy) TiNi for wing twist actuation was investigated ...

    The advanced automated directional solidification furnace

    Gillies, D.C. / Reeves, F.A. / Jeter, L.B. et al. | Tema Archiv | 1996
    The advanced automated directional solidification furnace (AADSF) is a five zone tubular furnace disigned for Bridgeman-Stockbarger and ...

    MSG: Microgravity science glovebox

    Baugher, C.R. / Ramachandran, N. / Roark, W. | Tema Archiv | 1996
    mechanical, electrical, data, video, gas and vacuum connection, lighting and thermal control for microgravity sciences payloads operations on the ...

    Features of chemical elements migration in the near-surface layers of metals and alloys during thermal cycling

    Smiyan, O.D. / Grigorenko, G.M. / Mikhailovskaya, E.S. et al. | Tema Archiv | 1996
    of surface layers of metallic materials for the space vehicles. Changes of the elementary composition during thermal cycling were recorded by ...

    Novel NDE fiber optic corrosion sensor

    Rutherford, P. / Ikegami, R. / Shrader, J. et al. | Tema Archiv | 1996
    Life extension programs for military metallic aircraft are becoming increasingly important as defense budgets shrink and worls economies ...

    Shape memory actuated release devices

    Carpanter, B. / Clark, C. / Weens, W. | Tema Archiv | 1996
    vehicle, deployment of solar arrays and other appendages. Existing technologies may not be able to meet mechanism requirements for future ...

    New technique using CO2 laser for high heating and simultaneous optical characterization of IR windows

    Simoneau, J. / Feller, R. / Peatfield, C. et al. | Tema Archiv | 1997
    magnitude and distribution of the heat on the window. Therefore, for each missile application, it is critical to be able to determine the optical ...

    Fabrication and testing of diamond coatings on infrared windows for the Harrier GR7 and AV8-B systems

    Hudson, M.D. / Brierley, C.J. / Miller, A.J. et al. | Tema Archiv | 1997
    Forward looking infrared windows on aircraft suffer damage from liquid and solid particle impact. Diamond is a suitable material for ...

    Smart fastener for KC-135 structural integrity monitoring

    Schoess, J.N. / Seifert, G. | Tema Archiv | 1997
    Hidden and inaccessible corrosion in aircraft structures is the number-one logistics problem for the U.S. Air Force, with an estimated ...

    Developing 1-3 piezocomposites for large-area smart skin applications

    Ting, R.Y. / Howarth, T.R. | Tema Archiv | 1997
    New 1-3 piezocomposite materials have been investigated for potential underwater smart skin applications. PZT-5H was used as the ceramic ...

    Quantitative and imaging performance of uncooled microbolometer sensors

    Marshall, C.A. / Breen, T. / Kohin, M. et al. | Tema Archiv | 1997
    Lockheed Martin IR Imaging Systems is developing low cost, high performance, uncooled infrared imaging products for both military and ...

    Measurement of spectra, pressure, and gas temperature of exotic materials detonated in a vented chamber

    Xu, J. / McLeod, P.C. | Tema Archiv | 1997
    The goal of the investigation was to develop experimental techniques for measuring the spectra, pressure and gas temperature of transient ...

    A radiometric sensor performance model including atmospheric and infrared clutter effects

    Richter, R. / Davis, J.S. / Duggin, M.J. | Tema Archiv | 1997
    The computer code SENSAT developed for radiometric investigations in remote sensing was extended to include two statistical clutter models ...

    Synchro-ballistic recording of detonation phenomena

    Critchfield, R.R. / Asay, B.W. / Bdzil, J.B. et al. | Tema Archiv | 1997
    ten to thirty millimeters per microsecond. Optical magnification is set for optimal use of the film's spatial dimension and the phase velocity ...

    Optical stability testing of the fiber support technology (FiST) focal plane assembly of the SABER instrument

    Jensen, S.M. / Batty, J.C. / Esplin, R.W. et al. | Tema Archiv | 1998
    a warm environment. The SABER team deemed it necessary to perform optical stability testing on this never-before-flown technology for ...

    IR-camera methods for automotive brake system studies

    Dinwiddie, R.B. / Lee, Kwangjin | Tema Archiv | 1998
    Verlag: SPIE International Society for Optical Engineering , Bellingham

    Applications for thermal NDT on advanced composites in aerospace structures

    Baughman, S.T. | Tema Archiv | 1998
    Time Dependent Thermography (TDT) is a key approach for unlocking the potential of infrared thermography NDE for aerospace applications ...
    Verlag: SPIE International Society for Optical Engineering , Bellingham

    Inspection of metallic thermal protection systems for the X-33 launch vehicle using pulsed infrared thermography

    Taylor, J.O. / Dupont, H.M. | Tema Archiv | 1998
    High resolution pulsed infrared thermography (PIRT) has been assessed, selected and developed for the inspection of brazed metallic ...
    Verlag: SPIE International Society for Optical Engineering , Bellingham

    Actuator development for a flapping microrobotic microaerial vehicle

    Cox, A. / Garcia, E. / Goldfarb, M. | Tema Archiv | 1998
    areas result in low Reynolds numbers. For Re's below 103 conventional fixed wing flight is no longer possible because drag becomes ...

    Non-destructive test methods for evaluating durability of concrete highway structures. Experience of Ontario Ministry of Transportation

    Ip, A. / Berszakiewicz, B. / Pianca, F. | Tema Archiv | 1998
    Verlag: SPIE International Society for Optical Engineering , Bellingham

    Thermographic detection and quantitative characterization of corrosion by application of thermal line source

    Cramer, K.E. / Winfree, W.P. | Tema Archiv | 1998
    designed to determine the spatial resolution of the system. A steady state solution for the induced thermal change in the plate is presented. When ...
    Verlag: SPIE International Society for Optical Engineering , Bellingham

    Thermal diffusivity imaging of aerospace materials and structures

    Winfree, W.P. / Heath, D.M. | Tema Archiv | 1998
    Thermographic imaging is increasing being utilized for inspection and characterization of materials and structures. Thermal diffusivity ...
    Verlag: SPIE International Society for Optical Engineering , Bellingham

    Acquisition, tracking and pointing system for self-protection applications

    Hammer, S.J. / Stockum, L.A. / Chesser, D.E. et al. | Tema Archiv | 1998