Bode plot nyquist plot logmagnitude versus phase plot 2 bode plot bode plot is a semilog diagram consists of two plot the transfer function magnitude vs. Nptel syllabus control engineering video course introduction to control problem industrial control examples. Zahran another advantage is the ability to sketch using a simple method based on asymptotic ap. Electrical engineering networks signals and systems nptel. Introduction to bode plot 2 plots both have logarithm of frequency on xaxis o yaxis magnitude of transfer function, hs, in db o yaxis phase angle the plot can be used to interpret how the input affects the output in both magnitude and phase over frequency. Bode plots page 1 bode plots a bode plot is a standard format for plotting frequency response of lti systems. Many common system behaviors produce simple shapes e. Video lesson polar plot and bode plots video lecture, online training material, list videos, quiz, materials, useful links, documents and discussions for polar. Control systems bode plots exam study material for gate ece. Online library solving control engineering problems with matlab ogata response analysis control systems problem 1 on nyquist plot video lecture of chapter frequency response analysis in. The plot displays the magnitude in db and phase in degrees of the system response as a function of frequency. Bridging the mighty and ferocious river brahmaputra is a great challenge in itself.
Control systems nyquist plots exam study material for gate ece. Bishakh bhattacharya professor, department of mechanical engineering iit kanpur joint initiative of iits and iisc funded by mhrd page 2 nptel mechanical engineering modeling and control. Nyquist stability criterion it states that the number of unstable closedlooppoles is equal to the number of unstable openlooppoles plus the number of encirclements of the origin of the nyquist plot of the complex function. Theyll give your presentations a professional, memorable appearance the kind of sophisticated look that todays audiences expect. If you wish to download these lectures for offline viewing, you may have to disable the player plugin on your browser. Dlicon753557 corporate office core 3, scope complex new delhi. We can usually read the phase margin directly from the bode plot as shown in the diagram above. Nptel provides elearning through online web and video courses various streams. This point is known as the gain crossover frequency.
Your browser does not currently recognize any of the video formats available. Control system engineering hurwitz exam study material for. Bode plot of frequency response, or magnitude and phase. Page 1 nptel mechanical engineering modeling and control of dynamic electromechanical system module 3 lecture 25 introduction to bode plot introduction to bode plot d bi h kh bh tt h dr. Agashe, department of electrical engineering,iit bombay. Ramkrishna pasumarthy, department of electrical engineering, iit madras.
Lecture series on networks,signals and systems by prof. Nptel syllabus digital control system web course course outline the core course in electrical engineering introduces the fundamental concepts, principles and application of digital control system analysis and design to the postgraduate students. The bode plot or the bode diagram consists of two plots. Nptel root locus example 1 in control engineering by engineering funda, control system engineering example in this session, i have explained example of root locus plot.
Becoming familiar with this format is useful because. This is done by calculating the vertical distance between the phase curve on the bode phase plot and the xaxis at the frequency where the bode magnitude plot 0 db. Gate preparation, nptel video lecture dvd, electronicsandcommunicationengineering, controlsystemengineering, hurwitz, control system basics, elements of control system, open loop system, closed loop systems, differential equation, transfer function, electric systems, system modelling, mechanical systems, translational mechanical. Case study on new initiatives taken on caisson foundations and cutting edge construction at bogibeel bridge. Bode plot, gain margin and phase margin plus diagram. Signal to quantization noise ratio in an adc no recording.
Engineering funda in this video, i have explained bode plot. Belur,department of electrical engineering,iit bombay. Find materials for this course in the pages linked along the left. Bode plots are a simpler method of graphing the frequency response, using the poles and zeros of the system to construct asymptotes for each segment on a loglog plot. Nptel video lectures, iit video lectures online, nptel youtube lectures, free video lectures, lecture 5 some useful theorems in basic electronics. Mechanical vibrations overview of experimental modal analysis. Networks signals and systems electrical engineering course from iit kharagpur nptel lecture videos by prof. Jun 01, 2018 the truth about mobile phone and wireless radiation dr devra davis duration. Fem nptel module 1 finite element method deformation. A pure silicon crystal or germanium crystal is known as an intrinsic semiconductor. Ppt nyquist stability criterion powerpoint presentation. Magnitude in db is g db 20log 10 f f 0 n 20n log 10 f f 0 f f 0 2 f f 0 2 0db 20db 40db 60db 20db 40db 60db f log. However, we have not obtained a direct plot of magnitude y.
Lecture notes feedback control systems aeronautics and. Increase in k necessary to scale plot to encircle 1. These videos are provided by nptel elearning initiative. Tender document tender no dlienggpi5881c01 for construction of metrology standard block at npl complex dr. Lectures 112 recitations 112 homeworks 17 homework 7 will not be collected or graded. Lecture notes on renewable energy sources subject code. Control engineering online course video lectures by iit bombay. Nyquist stability theorem formally stated if p0 then stable iff no encirclements of 1. Lecture 41 polar plot and bode plots lecture 42 logarithmic scale for frequency lecture 43 asymptotic db gain lecture 44 compensating network lecture 45 nichols chart lecture 46 time domain methods of analysis and design lecture 47 statevariable equations nptel video lecture topic list created by linuxpert systems, chennai. Polar plot and bode plots video lecture, online training material. Gate preparation, nptel video lecture dvd, electronicsandcommunicationengineering, controlsystems, bode plots, control system, control system components, control system block diagram, reduction of block diagrams, system feedback, control system feedback, feedback system, open loop feedback system, closed loop feedback systems, system stability analysis, stability analysis, flow graphs. Click on the transfer function in the table below to jump to that example.
Bode plots are a simpler method of graphing the frequency response, using the. Converter transfer functions10 bode plot of fn g f f 0 n bode plots are effectively loglog plots, which cause functions which vary as fn to become linear plots. But in these nptel videos, everything related to a particular topic is mentioned clearly. Course syllabus, schedule, and assignments can be seen here.
An important adanvtage of bode plot is that multiplication of magnitude can be converted into addition. Finite element analysis course material module 1 from iit. Lecture notes of control systems i me 431analysis and synthesis of linear control system me862 department of mechanical engineering, university of saskatchewan, 57 campus drive, saskatoon, sk s7n 5a9, canada. In electrical engineering and control theory, a bode plot. Nptel mechanical engineering modeling and control of dynamic electro mechanical system. Solving control engineering problems with matlab ogata. In minimum phase system, how the start and end of polar plot are identified. From the last lecture we have noted how we can use the bodeplot for obtaining the frequency response of a system. Case study on new initiatives taken on caisson foundations. The q factor affects the sharpness of peaks and dropoffs in the system. The course material are prepared in such a manner so that it will be very useful not only for.
Pdf the objective of this book is to present the methodologies and techniques of modeling and control of dynamic systems. There are not enough free electrons and holes in an intrinsic semiconductor. Nptel video lecture topic list created by linuxpert. Mod01 lec15 nyquist plots and nyquist criterion for. It is a standard format, so using that format facilitates communication between engineers. Gate preparation, nptel video lecture dvd, electronicsandcommunicationengineering, controlsystems, nyquist plots, control system, control system components, control system block diagram, reduction of block diagrams, system feedback, control system feedback, feedback system, open loop feedback system, closed loop feedback systems, system stability analysis, stability analysis, flow. Transfer function models of mechanical, electrical, thermal. Winner of the standing ovation award for best powerpoint templates from presentations magazine. Whereas, yaxis represents the magnitude linear scale of open loop transfer function in the magnitude plot and the phase angle linear scale of the open loop transfer function in the phase plot.
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