101–150 von 1,442 Ergebnissen
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    UAV autonomy for complex environments

    Lauzon, M. / Rabbath, C.A. / Gagnon, E. | Tema Archiv | 2006
    asymmetry and organizational processes. The Unmanned Aerial Vehicle represents a strategic enabler for military operations in complex environments ...

    Distributed pheromone-based swarming control of unmanned air and ground vehicles for RSTA

    Sauter, J.A. / Mathews, R.S. / Yinger, A. et al. | Tema Archiv | 2008
    describes lessons learned and the next steps for this promising technology. ...

    Antimony-based superlattices for high-performance infrared imagers

    Walther, M. / Rehm, R. / Schmitz, J. et al. | Tema Archiv | 2008
    InAs/GaSb short-period superlattices (SL) for the fabrication of mono- and bispectral thermal imaging systems in the mid-wavelength ...

    Adaptive position estimation for an automated guided vehicle

    Lapin, B.C. | Tema Archiv | 1992
    for an automated guided vehicle (AGV) to overcome these complexities. The scheme's purpose is to minimize the position error - the difference ...
    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

    A study of active thermography approaches for the non-destructive testing and evaluation of aerospace structures

    Avdelidis, N.P. / Ibarra-Castanedo, C. / Marioli-Riga, Z.P. et al. | Tema Archiv | 2008
    The prerequisite for more competent and cost effective aircraft has led to the evolution of innovative testing and evaluation procedures ...

    Embedded formats for airport mapping databases

    Pschierer, C. / Schiefele, J. | Tema Archiv | 2008
    A new, open specification for embedded interchange formats for airport mapping databases has been established in the ARINC 816 document ...

    An autonomous system for cross-country navigation

    Stentz, A. / Brunitt, B.L. / Coulter, R.C. et al. | Tema Archiv | 1992
    Autonomous cross-country navigation is essential for outdoor robots moving about in unstructured environments. Most existing systems use ...
    Verlag: SPIE International Society for Optical Engineering , Bellingham

    Multisensor fusion for mini UAV platforms

    Orduyilmaz, A. / Raksuntorn, N. / Du, Q. et al. | Tema Archiv | 2006
    In this paper, we will present the technique of automatic registration and mosaicking for the multispectral images acquired by a mini-UAV ...

    High-performance shutter for space applications

    De Cecco, M. / Debei, S. / Guizzo, G.P. et al. | Tema Archiv | 2002
    A new concept of electromechanical shutter has been designed and qualified for the OSIRIS imaging system to fly onboard the Rosetta Mission ...

    MEMS thermal switch for spacecraft thermal control

    Beasley, M.A. / Firebaugh, S.L. / Edwards, R.L. et al. | Tema Archiv | 2004
    and the radiator electrostatically. This paper describes the design and fabrication of an active radiator for satellite thermal control based ...

    System trade analysis for an ultra-wideband forward imaging radar

    Nguyen, L. / Soumekh, M. | Tema Archiv | 2006
    In support of the U.S. Army vision for increased mobility, survivability, and lethality, the Army Research Laboratory is currently ...

    A MEMS-based infrared emitter array for combat identification

    San, Haisheng / Chen, Xuyuan / Xu, Peng et al. | Tema Archiv | 2008
    decreased. In experiment, the surface temperature distribution of IR emitter arrays were measured by thermal imaging system, and the optical ...

    Pulse tube cryocoolers for cooling infrared sensors

    Radebaugh, R. | Tema Archiv | 2000
    This paper reviews recent advances in pulse tube cryocoolers and their application for cooling infrared sensors. There are many advantages ...

    Robotic technologies for outdoor industrial vehicles

    Stentz, A. | Tema Archiv | 2001
    of partial automation for most tasks, robotics technologies can have a profound impact on industrial vehicles. In this paper, we describe a ...

    User evaluation of differential compression for motion imagery

    Gibson, L. / Irvine, J.M. / OBrien, G. et al. | Tema Archiv | 2006
    , as well as the capability to maintain persistent surveillance, together make motion imagery a valuable source of information for the soldier ...

    High performance LED lamps for the automobile: needs and opportunities

    Pohlmann, W. / Vieregge, T. / Rode, M. | Tema Archiv | 2007
    Light emitting diodes have been an option in automotive lighting for more than 15 years now. The capacities and colours of LEDs available ...

    Probabilistic neural networks for infrared imaging target discrimination

    Cayouette, P. / Labonte, G. / Morin, A. | Tema Archiv | 2003
    The next generation of infrared imaging trackers and seekers will allow for the implementation of more sophisticated and smarter tracking ...

    Compatible CMOS microsystems for automotive and for medical applications

    Kersjes, R. / Mokwa, W. | Tema Archiv | 1996
    important technique for the monolithic approach. Compared to bipolar circuits power consumption is much lower, compared to BiCMOS the the process is ...

    Computer vision for driver assistance systems

    Handmann, U. / Kalinke, T. / Tzomakas, C. et al. | Tema Archiv | 1998
    Systems for automated image analysis are useful for a variety of tasks and their importance is still increasing due to technological ...

    Sensors and systems for space applications: a methodology for developing fault detection, diagnosis, and recovery

    Edwards, J.L. / Beekman, R.M. / Buchanan, D.B. et al. | Tema Archiv | 2007
    essential for providing a safe abort timeline in the event of a catastrophic subsystem failure. In this paper, we discuss a practical and cost ...

    A reconfigurable computing platform for plume tracking with mobile sensor networks

    Kim, Byung-Hwa / DSouza, C. / Voyles, R.M. et al. | Tema Archiv | 2006
    sensing applications for which this is appropriate. The focus of this development effort is applications that require higher performance ...

    GaInN LEDs: straight way for solid state lighting

    Zehnder, U. / Hahn, B. / Baur, J. et al. | Tema Archiv | 2007
    scalable to larger chip sizes: the brightness achieved for a 1 mm2 ThinGaN Power chip at 350 mA were 495 mW (445 nm) and 202 mW or 100 ...

    Semantic agent technologies for tactical sensor networks

    Jiang, Guofei / Chung, W. / Cybenko, G. | Tema Archiv | 2003
    in large-scale sensor networks for military applications. Sensor networks consist of large numbers of networked sensors that can be ...

    Security simulation for vulnerability assessment

    Hennessey, B. / Norman, B. / Wesson, R.B. | Tema Archiv | 2006
    benchmarking, CONOPS development and operator training. The paper discusses the specific techniques used for creating a 3d virtual environment and ...

    Evaluation of holographic subsurface radar for NDE of space shuttle thermal protection tiles

    Lu, T. / Snapp, C. / Chao, Tien-Hsin et al. | Tema Archiv | 2007
    Experiments have been carried out to evaluate holographic subsurface radar (RASCAN) for non-destructive evaluation (NDE) of subnominal bond ...

    Thermoelectric infrared imaging sensors for automotive applications

    Hirota, M. / Nakajima, Y. / Saito, M. et al. | Tema Archiv | 2004
    summarized. This performance is suitable for consumer electronics as well as automotive applications. ...

    Integration of unmanned systems for tactical operations within hostile environments

    Maddux, G.A. / Bosco, C.D. / Lawrence, J.D. | Tema Archiv | 2006
    The University of Alabama in Huntsville (UAH) is currently investigating techniques and technologies for the integration of a small ...

    Spatial relations for tactical robot navigation

    Skubic, M. / Chronis, G. / Matsakis, P. et al. | Tema Archiv | 2001
    We provide an overview of our on-going work using spatial relations for mobile robot navigation. Using the histogram of forces, we show how ...

    Micromachined SiC fiber optic pressure sensors for high-temperature aerospace applications

    Pulliam, W. / Russler, P. / Mlcak, R. et al. | Tema Archiv | 2000
    silica optical fiber. In contrast, silicon carbide has excellent mechanical, thermal and chemical properties for use in such environments, while ...

    Analysis of laser-ranging technology for sense and avoid operation of unmanned aircraft systems: the tradeoff between resolution and power

    Euliss, G. / Christiansen, A. / Athale, R. | Tema Archiv | 2008
    An investigation of power and resolution for laser ranging sensors is performed in relation to sense and avoid requirements of miniature ...

    Surveillance video with spatially registered graphics for decision support

    Majoros, A. / Ianni, J. / Davies, P. et al. | Tema Archiv | 2007
    , and presents a rapidly growing volume of content for those observers to understand and integrate. However, knowing the identity of objects and ...

    Distributed framework for dynamic telescope and instrument control

    Ames, T.J. / Case, L. | Tema Archiv | 2003
    Traditionally, instrument command and control systems have been developed specifically for a single instrument. Such solutions are ...

    Image fusion for tactical applications

    McDaniel, R.V. / Scribner, D.A. / Krebs, W.K. et al. | Tema Archiv | 1998
    data is required in order to extract the maximum amount of information from a scene. The advantages of image fusion have been postulated for ...

    Science telescope for Gravity Probe B

    Wang, Suwen / Farley, R.P. / Goebel, J.H. et al. | Tema Archiv | 2003
    The gravity probe B relativity mission uses a fused-quartz optical star tracking telescope as the sensor for the control system which ...

    Active suppression of acoustically induced jitter for the Airborne Laser

    Glaese, R.M. / Anderson, E.H. / Janzen, P.C. | Tema Archiv | 2000
    optic, and an optical position sensing detector). This paper summarizes the results from these control topologies for reducing the acoustically ...

    Field emitter displays (FEDs) for cockpit applications

    Gray, H.F. | Tema Archiv | 1994
    The field emitter display (FED) promises to be the best display for cockpit applications because it has all the characteristics of a color ...

    Industrial applications of shearography for inspection of aircraft components

    Krupka, R. / Walz, T. / Ettemeyer, A. | Tema Archiv | 2003
    Shearography has been validated as fast and reliable inspection technique for aerospace components. Following several years phase of ...

    Risk mitigation process for utilization of commercial off-the-shelf (COTS) parts in CCD camera for military applications

    Ahmad, A. / Batcheldor, S. / Cannon, S.C. et al. | Tema Archiv | 2002
    This paper presents the lessons learned during the design and development of a high performance cooled CCD camera for military applications ...

    Dynamic trajectory planning for a cross-country navigator

    Brumitt, B.L. / Coulter, R.C. / Stentz, A. | Tema Archiv | 1992
    were achieved when only checking for obstacles. ...
    Verlag: SPIE International Society for Optical Engineering , Bellingham

    Fiber optic sensor-based SHM technologies for aerospace applications in Japan

    Takeda, N. | Tema Archiv | 2008
    Optical fiber sensors are promising as tools for damage and structural health monitoring (SHM) of aerospace composite structures. Hence ...

    Processing 3D flash LADAR point-clouds in real-time for flight applications

    Craig, R. / Gravseth, I. / Earhart, R.P. et al. | Tema Archiv | 2007
    autonomous flight software or pilots for immediate use in rendezvous and docking, proximity operations, landing, surface vision systems, and ...

    Development of low-OPD windows for airborne laser

    Billman, K.W. / Tran, D.C. / Johnson, L.F. et al. | Tema Archiv | 2001
    We begin with a brief review of prior work relating to optical windows for use with high power laser beams. A typical window must provide ...

    Compliant-linkage kinematic design for multi-degree-of-freedom mobile robots

    Brenstein, J. | Tema Archiv | 1992
    Multi-degree-of-freedom (MDOF) vehicles have many potential advantages over conventional (i.e., 2-DOF) vehicles. For example, MDOF vehicles ...
    Verlag: SPIE International Society for Optical Engineering , Bellingham

    Prospects for practical and economic FOS solutions for automotive measurement applications

    McGeehin, P. | Tema Archiv | 2000
    . Whilst transduction principles have been fully explored, and some key applications (for example fibre optic gyroscopes) have moved forward, even ...

    Multi-modal netted sensor fence for homeland security

    Shi, W. / Fante, R. / Yoder, J. et al. | Tema Archiv | 2005
    , acoustic and optical (Infrared and visible) cameras to detect, track and discriminate such threats. Candidate target (Cessna, Beech Craft crop ...

    OCTAVE: a bioinspired visuo-motor control system for the guidance of Micro-Air-Vehicles

    Ruffier, F. / Franceschini, N. | Tema Archiv | 2003
    We have developed a visually based autopilot for Micro Air Vehicles (MAV), which we have called OCTAVE (Optical altitude Control sysTem for ...

    High durability antireflection coatings for silicon and multispectral ZnS

    Joseph, S. / Marcovitch, O. / Yadin, Y. et al. | Tema Archiv | 2007
    both day and night. In order to achieve such capabilities, advanced electro-optical systems are being constantly developed and improved. These ...

    Hybrid, contact, and no contact measurement system for industry

    Sitnik, R. / Sladek, J. / Kupiec, M. et al. | Tema Archiv | 2008
    the paper we present a concept that combines the accuracy of coordinate measurement machines (CMM) and the speed of full-field optical methods ...

    Mobile robots with articulated tracks and manipulators: intelligent control and graphical interface for teleoperation

    Chu Xin Chen / Trivedi, M.M. | Tema Archiv | 1992
    Tracked mobile robots are well suited for operation in uneven and obstacle ridden environments. A great majority of the current research in ...
    Verlag: SPIE International Society for Optical Engineering , Bellingham