The electrodes can be fabricated by depositing platinum paste or silverpalladium electrodes onto an insulating substrate, or by the vacuum evaporation of metal electrodes and photolithography. Nptel advanced foundation engineering1 introduction vertical or near vertical slopes of soil are supported by retaining walls, cantilever sheetpile walls, sheetpile bulkheads, braced cuts, and other similar structures. This device is analogus to a limit switch in mechanical systems. It is a transducer used to detect a parameter in one form and report it in another form of energy. If you are not able to download lectures due to bandwidth constraints, you can obtain the courses in dvds by paying a nominal fee to cover the cost of storage media and distribution. Civil engineering video lectures nptel video lectures. An actuator is a transducer that accepts energy and produces the kinetic energy of action. A pressure sensor detects pressure a mechanical form of energy and converts it to electrical signal for display. Block schematics of measuring systems, performance characteristics, static characteristics, accuracy, precision, resolution, types of errors, gausian error, root sum squares formula, dynamic characteristics, repeatability, reproducibility, fidelity, lag. Machinery fault diagnosis and signal processing by prof. Transducer signal conditioning and devices for data conversion programmable controllers. Transducer a transducer is a device that converts a signal from one physical form to a corresponding signal that has a different physical form input transducer level different output level electrical mechanical thermal optical dr. Process control and instrumentation nptel online videos.
Joshi assistant professor department of mechanical engineering indian institute of technology guwahati, guwahati 781 039 assam, india. Mukhopadhyay, department of electrical engineering, iit kharagpur. Now, i will explain how to auto download nptel audio lectures mp3, subtitles srt of the video lectures. A piezoelectric transducer also known as a piezoelectric sensor is a device that uses the piezoelectric effect to measure changes in acceleration, pressure, strain, temperature or force by converting this energy into an electrical charge a transducer can be anything that converts one form of energy to another. Nptel video lectures, iit video lectures online, nptel youtube lectures, free video lectures, nptel online courses. Educational video lectures, tutorials nptel videos. Lecture series on industrial instrumentation by prof. Nptel provides elearning through online web and video courses. Transducers definition of transducers classification of transducers advantages of electrical transducers.
The proper design of those structures required estimation of lateral earth pressure, which is a function of several factors, such as a type and. Alok barua, department of electrical engineering,iit kharagpur. Nptel gate courses for instrumentation engineering online. In most of the transformer, there are losses due to various reasons and doesnt have the efficiency of the ideal transformer. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. Download nptel audio lectures mp3 and subtitles srt. Transducers definition of transducers classification of. This wire becomes a transducer with appropriate electrodes and inputoutput mechanism attached to it. Classification, absolute and secondary instruments, indicating instruments. Welcome to lecture 17, we have started our discussion on transducer elements in our previous lecture we have talked about flapper nozzle systems, we have also talked about classification of various transducer elements, we are broadly classified them under 2 categories pneumatic transducer and electromechanical transducers these are the two.
The text transcription of nptel video lectures is provided in the following website. Lecture series on industrial automation and control by prof. Alan doolittle lecture 24 mosfet basics understanding with no math reading. Sensing element the physical quantity or its rate of change is sensed and responded to by this part of the transistor. Physik instrumente usa precision motion control 247,907 views. Nptel mechanical mechatronics and manufacturing automation mechatronics and manufacturing automation nptel phase 2 dr. Electronic measurements and instrumentation pdf notes. Definition of transducers classification of transducers advantages of electrical transducers. Unit 10 introduction to transducers introduction to. Embedded system a typical system that converts signals from analog to digital and back to analog includes. Lecture 24 mosfet basics understanding with no math. Electronic measurements and instrumentation pdf notes emi notes pdf. Mod01 lec17 sensors and transducers tutorial of machinery fault diagnosis and signal processing course by prof a.
It is usually employed as a device to detect when a fluid travelling in a pipe is over a specified volumetric flow rate. Metallurgy and material science materials and energy balance in metallurgical processes jun 3, 2019 0619 by national programme on technology enhanced learning. Nptel material is available for free on nptel website. Lvdts find uses in modern machinetool, robotics, avionics, and computerized manufacturing. Nptel video lectures, iit video lectures online, nptel youtube lectures, free video lectures, nptel online courses, youtube iit videos nptel courses.
As i mentioned a moment ago, piezoelectricity, literally pressure electricity, is a very technologically important property, useful property, but also provides a nice example of a tensor property that has to be defined in terms of a sensor of third rank. A transducer is a device which transforms a nonelectrical physical quantity i. Hisham elsherif electronics and electrical engineering department elct903, sensor technologythe trigger circuit monitors the oscillators amplitude and at a predetermined level switches the output state. In the previous post, we have seen how to download nptel video lectures mp4 flv without going through nptel website. Nptel computer science and engineering video lecture. Mod01 lec17 sensors and transducers video lecture by prof a. A transducer will have basically two main components.
Related courses introduction to fluid machines and compressible flow. P s bimbhra electrical machines pdf p s bimbhra electrical machines pdf p s bimbhra electrical machines pdf. Special lecture series biosensors and instrumentation. Transformation of three phase electrical quantities to two phase quantities is a usual. Nptel provides elearning through online web and video courses various streams. Resistive,inductive and capacitive transducers an inverse transducer is defined as a device which converts an electrical quantity into a nonelectrical quantity. Find materials for this course in the pages linked along the left. Nptel video lectures, iit video lectures online, nptel youtube lectures, free video lectures, nptel online. Lecture 5 pressure, force and torque sensors youtube. Chemical sensors oh in pdf sensor mechanisms basic principles. Iicharacteristics of different types of sensors a active vs. Transducer descriptions transducer parameters, definitions and terminology. Its main function is to collect the information on system status and to feed it to the microprocessors for controlling the whole system. Nptel, an elearning initiative by the 7 indian institutes of technology and the indian institute of science with the support of the mhrd, govt.
Transducers and inverse transducers a transducer can be broadly defined as a device which converts a nonelectrical quantity into an electrical quantity. Mohanty,department of mechanical engineering,iit kharagpur. An introduction to sensors and transducers, use of sensor and transducer for specific purpose in mechatronics. It consists of a wirewound fixed resistor and a wiper arm that slides over it and in so doing taps a different segment of the resistor, as shown diagrammatically in fig. Sarkar department of chemical engineering,iit kharagpur. Sensors and signal processing lecture 1 sensors and transducers measurement is an important subsystem of a mechatronics system. Electrical engineering industrial instrumentation nptel. Nptel mechanical mechatronics and manufacturing automation module 2. Nptel has changed the links of pdf lecture notes since august 2019. Distributed under creative commons attributionsharealike cc bysa. Hisham elsherif elct903, sensor technology electronics and electrical engineering department 8. Positional sensors linear variable differential transformers lvdts the linear variable differential transformer lvdt is an accurate and reliable method for measuring linear distance.
Download pdf of nptel material offline reading, offline notes, free download in app, engineering class handwritten notes, exam notes, previous year questions, pdf free download. Login page of lecturenotes lecturenotes lecture notes, notes, pdf free download, engineering notes, university notes, best pdf notes, semester, sem, year, for all. Sensing and sensors rss lecture 4 monday, feb 14 2011 cagdas onal lecture notes prepared by daniela rus. The transducer may be defined as any device that convert the energy from one form to another, most of the transducers either convert electrical energy in to mechanical displacement and convert some non electrical physical quantities like temperature, light, pressure, force, sound etc to an electrical signals. Summary of sensors and transducers future trends of sensors and transducers summary of course working problems repetition open time for questions literature. A potentiometric transducer is a mechanically driven variable resistor. Vtu provides elearning through online web and video courses various streams. The interdigitated geometry provides long electrode tracks 1 cm within a small sensing area 0. How to download notes directly in pdf format from nptel. Sensors and transducers measurement is an important subsystem of a mechatronics system. Industrial instrumentation nptel online videos, courses iit.
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