TRB Lecturers in Government Polytechnic Colleges Electronics and Instrumentaion Engineering Syllabus 2017. This is the final syllabus and remember it is enough to read just this portion to write TRB exam for Lecturers in Govt Polytechnic Colleges. ELECTRONICS AND INSTRUMENTATION ENGINEERING & INSTRUMENTATION AND CONTROL ENGINEERING UNIT 1: ENGINEERING MATHEMATICS Matrix – characteristic equation – eigen values and eigen vectors – Cayley – Hamilton theorem - partial derivatives – maxima and minima – linear differential equations with constant coefficients - linear first order simultaneous equations with constant coefficients – Taylor and Laurent expansions - residue theorem – Laplace transform – initial and final value theorems – inverse Laplace transform - Fourier series and Fourier transforms – solution of standard types of first order partial differential equations – z-transform - inverse z-transform – convolution theorem. UNIT 2: CIRCUIT THEORY Mesh current and node voltage methods of analysis – network reduction and network theorems – voltage and current division, source transformation – star delta conversion - Thevenin's and Norton's theorems – superposition theorem – maximum power transfer theorem – series and parallel resonance - frequency response – quality factor and bandwidth – self and mutual inductance - transient response for dc and sinusoidal inputs – analysis of three phase 3-wire and 4-wire circuits - power and power factor measurements in three phase circuits. UNIT 3: ANALOG AND DIGITAL ELECTRONICS Diode, BJT, JFET, MOSFET – characteristics and parameters – biasing - h parameters - amplifiers - frequency response – RC coupled amplifier – power amplifiers - feedback amplifiers - oscillators - wave shaping circuits – single and polyphase rectifiers – filters – design of Zener and transistor series voltage regulators - op-arnp characteristics – frequency response - summer, integrator, instrumentation amplifier, first and second order active fitters,V/I and I/V converters, comparators, waveform generators, peak detector, S/H circuit, D/A converter (R-2R ladder and weighted resistor types),A/D converter – dual slope, successive approximation and flash types – isolation amplifiers, opta-coupler. Boolean algebra - De-Morgan's theorems – simplification using K-maps and Quine McCluskey Method – logic gates – design of arithmetic circuits - encoders, decoders, multiplexers and demultiplexers – flip flops - counters – shift registers – design of synchronous and asynchronous sequential circuits. Design of sequential networks using PAL, PLA – FPGA – CPLD – 8085 and 8051 architectures – instruction sets – programming – interrupt structures – memory interfacing - interfacing of 8255 PPI, 8279 key board display controller, 8253 timer Counter – interfacing with 8085 – A/D and D/A converter interfacing. UNIT 4: ELECTRICAL AND ELECTRONIC MEASUREMENTS Ballistic, D'Arsonval galvanometers - principle, construction, operation and comparison of moving coil, moving iron meters, dynamometer, induction type and thermal type meter, rectifier type - theory, calibration – electrodynamometer type wattmeter – induction type kwh meter – induction type energy meter – dc potentiometer – ac potentiometer - C.T and P.T – Wheatstone bridge – Kelvin double bridge - high resistance measurement - earth resistance measurement - Megger. Measurement of inductance, capacitance – Q of coil – Maxwell bridge - Wein's bridge - Schering bridge – Anderson bridge – Campbell bridge to measure mutual inductance – digital voltmeters and multimeters – microprocessor based DMM with auto ranging and self-diagnostic features – digital IC tester - frequency, period, time interval and pulse width measurement – cathode ray oscilloscope – sampling and storage scopes – wave analyzers – seven segment and dot matrix display - digital recording and data loggers - modern instrumentation and control systems – OSI model – EIA 232 interface standard – EIA 485 interface standard – EIA 422 interface standard - 20 ma current loop - serial interface converters. UNIT 5: CONTROL SYSTEMS Open and closed loop systems - transfer function – signal flow graphs – time domain response-I and II order system response – frequency response – Bode plot – polar plot – determination of closed loop response from open loop response – correlation between frequency domain and time domain specifications – characteristic equation – location of roots in s plane for stability - Routh Hurwitz criterion – root locus construction – effect of pole, zero addition – gain margin and phase margin – Nyquist stability criterion - lag, lead and lag-lead networks – compensator design using bode plots – state space analysis – controllability and observability – pole placement - state observer design – features of linear and non-linear systems – phase plane analysis of linear and non-linear systems – isoclines method – describing function analysis of non-linear systems – conditions for stability - Liapunov's stability concept - Liapunov's direct method - Popov's criterion – time varying optimal control - LQR steady state optimal control – optimal estimation-multivariable control design. UNIT 6: TRANSDUCERS AND SMART SENSORS Units and standards – calibration methods – static calibration – classification of errors - error analysis – statistical methods – odds and uncertainty – classification of transducers - selection of transducers – characteristics of transducers – mathematical model of transducers - zero, I and II order transducers – response to impulse, step, ramp and sinusoidal inputs – variable resistance transducers – variable inductance and variable capacitance transducers – induction potentiometer – variable reluctance transducers –principle of operation, construction details, characteristics and application of LVDT - capacitive transducer and types – capacitor microphone – frequency response –piezoelectric transducer, hall effect transducer – different types of photo detectors - digital transducers – smart sensors – fibre optic sensors, squid sensors,film sensors, MEMS - nano sensors. UNIT 7: INDUSTRIAL AND ANALYTICAL INSTRUMENTATION Pressure, flow, temperature and level measurements – principle of operation, installation and maintenance, calibration - measurement of force, torque, velocity, vibration, humidity, viscosity. and density – spectrophotometers (UV and IR) – pH meters – conductivity meters –analyzers (O2 NO2, H2S), chromatography (gas and liquid) - NMR spectroscopy, x-ray spectroscopy and mass spectrometer. UNIT 8: DIGITAL SIGNAL PROCESSING Classification of signals: continuous and discrete, energy and power; mathematical representation of signals – classification of systems: continuous, discrete, linear, causal, stable, dynamic, recursive, time variance – spectral density – aliasing effect – digital signal representation - DTLTI systems – difference equations – convolution – IIR design: analog filter design – Butterworth and Chebyshev approximations – digital design using impulse invariant and bilinear transformation - Discrete Fourier Transform - IDFT- computation of D FT using FFT algorithm – DIT and DIF using radix 2 FFT - FIR and IIR filter realization – parallel and cascade forms - FIR design: windowing techniques – linear phase characteristics. UNIT 9: PROCESS CONTROL Mathematical model of first order level, pressure and thermal processes – higher order process - interacting and non-interacting systems – continuous and batch processes – servo and regulator operations – characteristics of on-off, proportional, integral and derivative control modes - PI, PD and PID control modes – pneumatic and electronic controllers – optimum controller evaluation criteria - IAE, ISE, ITAE and % decay ratio – determination of optimum settings for mathematically described processes using time response and frequency response - tuning – process reaction curve method – Ziegler Nichols method – damped oscillation method- feed – forward control – ratio control – cascade control – inferential control – split – range control –introduction to multivariable control – I/P converter - pneumatic and electric actuators - valve positioner – control valves - characteristics of control valves - inherent and installed characteristics - valve body – commercial valve bodies – control valve sizing – cavitation and flashing - selection criteria. UNIT 10: LOGIC AND DISTRIBUTED CONTROL SYSTEM Components of PLC – advantages over relay logic – architecture of PLC - programming devices – discrete and analog i/o modules – programming languages – ladder diagram - programming timers and counters – design of PLC – program control instructions, math instructions, sequencer instructions - use of PC as PLC – application of PLC – SCADA - data acquisition system – supervisory control – direct digital control – DCS – architectures – comparison - local control unit – process interfacing issues – communication facilities – operator interfaces - low level and high level operator interfaces – operator displays – engineering interfaces – low level and high level engineering interfaces.