Results 251 to 260 of about 64,618 (296)
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Echosonography with proximity sensors
European Journal of Physics, 2013We propose the use of a commercial ultrasonic proximity sensor kit for profiling an altitude-varying surface by employing echosonography. The proximity sensor kit, two identical transducers together with its dedicated operating circuit, is used as a profiler for the construction of an image. Ultrasonic pulses are emitted from one of the transducers and
W Thaisiam +5 more
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Proximity mining: finding proximity using sensor data history
Proceedings DARPA Information Survivability Conference and Exposition MCSA-03, 2003Emerging ubiquitous and pervasive computing applications often need to know where things are physically located. To meet this need, many location-sensing systems have been developed, but none of the systems for the indoor environment have been widely adopted.
Toshihiro Takada +3 more
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Magnetoacoustic proximity sensor
The Journal of the Acoustical Society of America, 1988A new form of proximity sensor is described which enables sensing of magnetic and/or metallic objects over an extended region of space. The time-varying magnetic field necessary for proximity sensing is provided by a strain wave propagating at acoustic velocity in a waveguide composed of magnetized magnetostrictive material. The propagating strain wave
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Scaling down an inductive proximity sensor
Sensors and Actuators A: Physical, 1996Abstract We analyse the problem of scaling down an inductive proximity sensor made of superposed multiple-turn flat coils. We scale down linearly all the geometrical dimensions. Then the nominal inductance is scaled down proportionally to the scale factor. The coupling factor of the superposed coils remains constant.
P.A. Passeraub +2 more
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1988
The subject of this paper is the use of electrical devices for proximity sensing. A general discussion is made about the concept of multisensory “perception” by the robot, and about the interest of proximity sensing for reducing the complexity of this problem.
H. Clergeot, D. Placko, J. M. Detriche
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The subject of this paper is the use of electrical devices for proximity sensing. A general discussion is made about the concept of multisensory “perception” by the robot, and about the interest of proximity sensing for reducing the complexity of this problem.
H. Clergeot, D. Placko, J. M. Detriche
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Optical Sensors for Space Proximity Operations
Conference on Lasers and Electro-Optics/International Quantum Electronics Conference, 2009This talk will discuss the application of flash LADAR sensors, which provide a direct measurement of range under any lighting conditions, to rendezvous, proximity operations, docking, landing/hazard avoidance and surface navigation.
Rex Craig, Patrick Earhart
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2012 5th International Conference on Computers and Devices for Communication (CODEC), 2012
Radio-frequency based Intelligent Proximity Sensors for detection as well as identification of objects is presented. A resonant structure is constructed that creates a near-field with three-dimensional extent in the same order of magnitude as the physical size of the objects to be detected and identified.
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Radio-frequency based Intelligent Proximity Sensors for detection as well as identification of objects is presented. A resonant structure is constructed that creates a near-field with three-dimensional extent in the same order of magnitude as the physical size of the objects to be detected and identified.
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Target tracking with binary proximity sensors
ACM Transactions on Sensor Networks, 2009We explore fundamental performance limits of tracking a target in a two-dimensional field of binary proximity sensors, and design algorithms that attain those limits while providing minimal descriptions of the estimated target trajectory. Using geometric and probabilistic analysis of an idealized model, we prove that the achievable spatial
Nisheeth Shrivastava +3 more
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IEEJ Transactions on Electrical and Electronic Engineering, 2023
Future labor forces are anticipated to include collaborative robots that work alongside humans in the same environment. Proximity and tactile sensors are among the most important devices for collaborative robots to operate safely. In this paper, we propose a proximity and tactile sensor for a collaborative robot that combines multiple time‐of‐flight ...
Satoshi Tsuji, Teruhiko Kohama
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Future labor forces are anticipated to include collaborative robots that work alongside humans in the same environment. Proximity and tactile sensors are among the most important devices for collaborative robots to operate safely. In this paper, we propose a proximity and tactile sensor for a collaborative robot that combines multiple time‐of‐flight ...
Satoshi Tsuji, Teruhiko Kohama
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Polymer infrared proximity sensor
Applied Physics Letters, 2008A proximity sensor that combines a polymer light-emitting diode and a polymer photodiode is presented. The operation wavelength is in the near infrared from 700to850nm. The infrared emission is obtained by adding a color conversion film of polyvinylpyrrolidone polymer matrix blended with infrared dye 1,1-diethyl-2,2-dicarbocyanine iodide to a red ...
En-Chen Chen +6 more
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