To get full information or details of mems based wheel chair circuit diagram please have a look on the pages

http://seminarsprojects.net/Thread-ppt-on-mem-based-wheel-chair-control

http://seminarsprojects.net/Thread-head-motion-controlled-power-wheelchair

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APPLICATION OF MEMS TECHNOLOGY

ABSTRACT

MEMS (Micro-electro mechanical system) devices combines the merits of both electronic and mechanical systems .The MEMS technology has seen expansion in broad range from mechanical to chemical ,optical to bio-tech and many other fields .It is the integration of mechanical elements ,sensors ,actuators and electronics components on a single silicon substrate through micro fabrication technology .In this paper ,different MEMS devices are demonstrated like nanosatellite ,MEMS optical devices and bio-t ....etc

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1. MEASURING AND TRANSMITTING VITAL BODY SIGNS USING MEMS SENSOR
2. MOTION OPERATED SCROLLING DISPLAY USING MEMS ACCELEROMETER AND I2C PROTOCOL
3. SAFETY AUTO BRAKE SYSTEM FOR HILL STATION VEHICLE USING MEMS SENSOR.
4. MOTION ACTIVATED POWER SAVING SYSTEM USING MEMS ACCELEROMETER AND I2C NETWORK
5. THE INTEGRATED UNIT FOR MEMS BASED PRESSURE MEASUREMENT
6. DEVELOPMENT OF RELIABILITY TEST GUIDELINES FOR MICRO ELECTRO MECHANICAL SYSTEM IN MILITARY APPLICATIONS
7. MEMS ACCELEROMETER BASED DIGITAL PHOTO FRAME WITH AUTOMATIC POSITION/VIEW ADJU ....etc

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RADIOISOTOPE THERMOELECTRIC GENERATOR(RTG)

INTRODUCTION

Radioisotope Thermoelectric Generator is a electrical generator.
It uses a radioactive material as the fuel and uses the fact that radioactive materials generate heat as they decay into nonradioactive materials.
This released heat is converted in to electricity by using Seebeck effect using an array of thermocouples.
The output obtained in a RTG is a steady output voltage and its power capacity is a few 100 W.
RTG provides an un ....etc

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Wireless MEMS Sensor Networks


Mesh Networks

Edge Binding- J.W. Smith, Rand Corp.
In any network, much of the routing power of peripheral stations is wasted simply because peripheral links are unused. Thus, messages tend to reflect off the boundary into the interior or to move parallel to the periphery.

The Problem of Complexity

Communication Protocols in a network must be restricted and organized to avoid Complexity problems

e.g. in Manufacturing
The genera ....etc

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sir, i want full document of gsm based road vehile accident reporting system through mems send to my mail id : [email protected] ....etc

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To get full information or details of automatic wheel chair using mems please have a look on the pages

http://seminarsprojects.net/Thread-head-movement-based-wheelchair-using-mems?pid=112572#pid112572

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Abstract
MEMS varactors are one of the important passive MEMS devices. Their applica- tions include use in VCOs, tunable impedance matching networks, tunable lters, phase shifters, and true time delay lines. The shunt capacitive structure has been employed in most of the conventional MEMS varactor designs because of its simplicity. However, the capacitance ratio of this conventional shunt capacitive MEMS varactor is limited to 1.5 because of the MEMS Pull- In e ect, which happens when the de ection between the MEMS top and bottom met ....etc

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Radioisotope Batteries for MEMS



What is a Nuclear Battery?

Goal: convert energy from radioactive decay to electricity
Options:
Direct charge collection
Indirect (scintillation)
Betavoltaic
Thermoelectric
Thermionic
thermophotovoltaic

Isotope Selection

Type of radiation
Alpha
Beta
Half-Life
Long -> Long battery life
Short -> Higher power
Avoid gammas in the decay chain
Watch out for (alpha, n) reactions
Watch particle rang ....etc

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