LVDT



What Is An LVDT ?

The letters LVDT are an acronym for Linear Variable Differential Transformer, a common type of electro mechanically transducer that can convert the rectilinear motion of an object to which it is coupled mechanically into a corresponding electrical signal. LVDT linear position sensors are readily available that can measure movements as small as a few millionths of an inch up to several inches, but are also capable of measuring pos ....etc

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Abstract:
Transducers for high-power sonars, an important tool for undersea exploration and monitoring, may be required to work in deep water where pressures are higher than several tens of MPa. In contrast with the piezoelectric devices commonly used as high-power sonars for seabed resource exploration, electroactive polymers offer the benefits of high coupling efficiency, low cost, and the ability to form large area skins or other devices. One question about the use of electroactive polymers for sonar has been their ability to withsta ....etc

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what are the applications of Lvdt in biomedicine ....etc

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ABSTRACT
ARTIFICIAL MUSCLES “ A STUDY
For many years, the idea of a human with bionic muscles immediately conjures up science fiction images of a TV series superhuman character that was implanted with bionic muscles and portrayed with strength and speed far superior to any normal human. As fantastic as this idea may seem, recent developments in electroactive polymers (EAP) may one day make such bionics possible. Polymers that exhibit large displacement in ....etc

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ABSTRACT
To achieve desirable biomimetic motion, actuators must be able to reproduce the important features of natural
muscle such as power, stress, strain, speed of response, efficiency, and controllability. It is a mistake, however, to
consider muscle as only an energy output device. Muscle is multifunctional. In locomotion, muscle often acts as an
energy absorber, variable-stiffness suspension element, or position sensor, for example. Electroactive polymer
technologies based on the electric-field-induced deformation of polymer d ....etc

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HI PLS I NEED AN ANSWER
Are you looking for in eye movement based on human computer interaction Techniques ....etc

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A mechanical draft band should be automated so that the control and display via a standard PC can happen. The position is controlled by a DC motor (to send PWM) and read via optical encoder. The pressure in the pneumatic muscle should be tested using the PC can be set and the force sensor has an analog output, should be made through the PC can be read. Results should be visualized on the screen and saved in an Excel spreadsheet ....etc

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i need the circuit and abstract of the depth measurement based on lvdt ....etc

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Electroactive Polymer “Artificial Muscle” Operable in Ultra-High Hydrostatic Pressure Environment
ABSTRACT—
Transducers for high-power sonars, an important tool for undersea exploration and monitoring, may be required to work in deep water where pressures are higher than several tens of MPa.
In contrast with the piezoelectric devices commonly used as highpower sonars for seabed resource exploration, electroactive polymers offer the benefits of high coupling efficiency, low cost, and the ability to form ....etc

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Linearly Variable Differential Transformer - LVDT


History


1831: Michael Faraday discovered current could be induced in a conductor by a magnetic field
U.S. Patent of G.B. Hoadley (1940)
First noted that the LVDT output amplitude varies linear with core displacement

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