Detection of corrosion damage in aircraft wing skin structures is an ongoing NDT challenge. Ultrasonic methods are known and well-accepted techniques, which are relatively simple to carry out in terms of setup, probes and instrumentation and operator training. However, with conventional inspection from the top surface using a transducer at normal incidence (0o to the normal to the surface) producing a visual picture in the form of a C-scan, it is very tie consuming to point-by-point inspects large aircraft wing skin areas. In addition it is too ....etc

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ULTRA- FAST ULTRA - HIGH INTENSE LASER




ABSTRACT

The year 2008 will probably known as the year of ultra mobile PCs with a slew of Ultra Mobile PCs being released by different companies. Ultra mobile PC promises to support wired or wireless network to which is a major plus as gives a number of options for net connection along with mobility. On the specification side the device sports s 7 inch LCD screen with a resolution is a ....etc

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i am sanket malthane. i want a seminar on the topic of ultra sonic motor .i do not know anything about ultra sonic motor. ....etc

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Artificial Vision System for the Blind using Ultra Sonic Wave transmission reception techniques
Abstrct:
The various systems have been developed to help blind individuals orienting in the surround space. The range of these systems is very wide and stretches from the simplest, inexpensive devices to the complex, multi-component vision systems which transforming the optical camera images into electric signals and transmit them to the cerebral cortex via implanted electrodes. However, these systems are very complex, expensiv ....etc

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ULTRA SONIC motor is a newly developed motor, and it has excellent performance and many useful features, e.g.: high-torque density, low speed, compactness in size, no electromagnetic interferences, and so on. USM is a kind of piezo motor. The proposed speed control scheme is assumed for these applications because they require quick and precise speed control of actuators for various load conditions. A speed control method of USM using adaptive control is proposed.
Artificial Neural Network (ANN), which follows the biological neural cells in bra ....etc

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hi frds can any body post this project documentation plzzzzz................ ....etc

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i want slides on ultrasonic blind helper ....etc

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I am looking for distance finder based on at89s52 and ultra sonic sensors hc sr04....please help me. ....etc

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WIND BASED MEASUREMENT AND UNCERTAINITY ANALYSIS USING ULTRA SONIC SENSORS WITH KALAMAN FILTERING
ABSTRACT
Strong growth figures prove that wind is now a mainstream option for new power generation. All the successful megawatt-class wind technology developments to date are results of evolutionary design efforts based on the premise that control can significantly improve energy capture and reduce dynamic loads. The main challenge is wind stochasticity that impacts both power quality and drive train fatigue life for a ....etc

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