Cams & Followers Syllabus: Concept & definition of cam & follower‚ types‚ classification‚ different follower motions‚ their displacements like uniform velocity‚ S.H.M.‚ uniform acceleration & retardation‚ Drawing profile of plate cams by graphical method. 1) Define cam and follower. A cam may be defined as a rotating machine part designed to impart reciprocating and oscillating motion to another machine part‚ called a follower. 2)Why are cams required? Or Necessity of cam and follower mechanism
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for use as a proximity sensor 2 AT42QT1010 and AT42QT1011 The AT42QT1010 and AT42QT1011 are identical apart from their behavior when the sensor is “in detect” for an extended period. The AT42QT1010 has a “maximum on” duration of ~ 60s. If there is an obstruction on the sensor‚ the device output will go low after the “maximum on” detection period‚ so that subsequent touches can be detected. The AT42QT1011 has no timer and the device will remain on whilst the sensor is activate. Speed Settings
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but polysilicon material is cheaper so it’s widely used. The pressure sensor in this paper have high sensitivity and low temperature coefficient. The complete fabrication process will be described in this paper. Temperature characteristics of offset and sensitivity 2.1. Structure of the pressure sensor The structure of the polysilicon nanofilm pressure sensor is shown in Fig. 1. The basic principle of the pressure sensor is the four polysilicon nanofilm piezoresistors‚ deposited on the oxidized
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biometric recognition is a common and reliable way to authenticate the identification of a person based on physiological or behavioral characteristics. So in thispaper if iris is matched the door it will be opened otherwise it will not be open. IR sensor used to detect the human in or out.By using this concept‚we can avoid the theft in bank&home.It also used in various places in our society to avoid theft.The result of our idea is done in MATLAB & the simulation&Hardware Result are shown in this paper
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5162/IMCS2012/PT1 Gas Sensors Status and Future Trends for Safety Applications Tesshi Shigemori Chairman of Gas Alarm Industries Association of Japan‚ Regular Associate Director of Japan Safety Appliances Association‚ and President of New Cosmos Electric Co.‚ Ltd. Email: shigemori.tesshi@new-cosmos.co.jp 2-5-4 Mitsuya-naka‚Yodogawa-ku‚Osaka 532-0036‚ JAPAN Abstract: Actually there are many measures to prevent accidents caused by gas leaks and/or gas generations. However‚ only gas sensors have the
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the tank‚ sensor terminal L is just above the bottom of the tank and sensor terminal H is at the top of the tank. After you have properly installed the sen- Fig. 1: Simple water level controller built around timer NE555 and inverter buffer CMOS IC CD4049. It uses readily-available‚ low-cost components‚ and is easy to build and install on the over-head tank (OHT) to prevent wastage of water. The circuit works off a 12V battery or 230V AC mains using a 12V adaptor. The three sensors built from
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Objectives: The Objective of this experiment is to control the level water by feedback transducer‚ and get familiar with the action of PID. Theory: Measurement of level and pressure (analog type output) with pressure and level measurements‚ the pressure sensor set at the bottom of the vertical column of unit ty3oa/ev is used. Definition of an Analog Variable: An analog measurement ring permits the generation of a D.C. voltage which behavior follows the water level in the column; this means that each
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“Data storage using Nanotechnology and Electronics” Category: TECHNICAL Authors: A. Aparna and S. Krishna Prasad II year ECE‚ Gokaraju RangaRaju Institute of Engineering and Technology‚ Kukatpally‚ Hyderabad. Contact: Ph 09701540082- Krishna Prasad Email: aparnaalapati@yahoo.co.in krishnaprasad777@gmail.com Abstract: Electronics and nanotechnology working together would yield a holistic solution
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ABSTRACT The aim of technology is to make products in a large scale for cheaper prices andincreased quality. The current technologies have attained a part of it‚ but themanufacturing technology is at macro level. The future lies in manufacturing productright from the molecular level. Research in this direction started way back in eighties. At that time manufacturing at molecular and atomic level was laughed about.But due toadvent of nanotechnology we have realized it to a certain level. One such
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mood enhancement‚ aesthetics‚ alternate harmonic overtones‚ can help re-enforce melodic and lyrical content‚ and become an essential tool of the producer. Density & Linear Motion- Density in an arrangement denotes layer upon layer of sustaining parts such as chords played by a variety of instruments simultaneously. Linear Motion denotes independent movement of parts such as Counter Point‚ Line Writing‚ Rhythmic Independence‚ etc. Contrast & Blending- In an arrangement‚ contrast can manifest itself
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