SYLLABUS

  

                    

CONTROL SYSTEMS 

                                    2 B.Tech.2 Semester

                      10BT41301: CONTROL SYSTEMS

                         (Common to ECE, EIE&ECONE)                                         

                                                                                            

                                                                                     L   T   P   C

                                                                          4      1   -   4

               

UNIT-1: INTRODUCTION

Concepts of control systems, open loop and closed loop control systems, feed-back 

characteristics, effects of feedback, block diagram representation of physical systems, mathematical models-differential equations

UNIT-2: TRANSFER FUNCTION REPRESENTATION

Analogous systems, electrical analogy of physical systems, derivation of transfer function,transfer function of dc servo motor, synchro transmitter and receiver ,block diagram algebra ,signal flow graph and mason’s gain formula.

UNIT-3: TIME RESPONSE ANALYSIS

Types of test signals, response of first and second order system, time domain specifications, type and order of systems, steady state error, static error constants, generalized error co-efficients ,effect of P, PI, PID on time response.

UNIT-4: STBILITY ANALYSIS IN S-DOMAIN

Concepts f stability: characteristic equation, location of roots ins-plane for stability, asymptotic stability and relative stability, routh-hurwitz stability criterion.

Root locus technique: root locus concept, construction of rot loci, effects of adding poles and zeros to G(s) H(s) on the root loci

 UNIT-5: FREQUENCY RESPONSE ANALYSIS

Introduction, frequency domain specifications, bode diagrams, determination of frequency domain specifications and transfer function from the bode diagram, phase margin and gain margin, stability analysis from bode plots

UNIT-6: STABILITY ANALYSIS IN FREQUENCY DOMAIN

Polar Plots, Nyquist Plots, Stability in Frequency Domain Using Nyquist Stability Criterion, Simple Problems

UNIT-7: DESIGN AND COMPENSATION OF CONTROL SYSTEMS

Introduction to compensation networks, lag, lead, lead-lag compensation, compensation using bode plots

UNIT-8: STATE SPACE ANALYSIS OF CONTINUOUS SYSTEMS

Concepts of state, state variables and state models, derivation of state model for physical systems diagonalization, state transition matrix and its properties, solution of linear ,state equation, concepts of controllability and observability, kalman’s test only.

GATE SYLLABUS 

INSTRUMENTATION ENGINEERING

Basics of Circuits and Measurement Systems:Kirchoff’s laws, mesh and nodal Analysis. Circuit theorems. One-port and two-port Network Functions. Static and dynamic characteristics of Measurement Systems.Error and uncertainty analysis.Statistical analysis of data and curve fitting.

Transducers, Mechanical Measurement and Industrial Instrumentation: Resistive, Capacitive, Inductive and piezoelectric transducers and their signal conditioning. Measurement of displacement, velocity and acceleration (translational and rotational), force, torque, vibration and shock.Measurement of pressure, flow, temperature and liquid level.Measurement of pH, conductivity, viscosity and humidity.

Analog Electronics: Characteristics of diode, BJT, JFET and MOSFET. Diode circuits. Transistors at low and high frequencies, Amplifiers, single and multi-stage. Feedback amplifiers. Operational amplifiers, characteristics and circuit configurations. Instrumentation amplifier. Precision rectifier. V-to-I and I-to-V converter. Op-Amp based active filters. Oscillators and signal generators.

Digital Electronics: Combinational logic circuits, minimization of Boolean functions. IC families, TTL, MOS and CMOS. Arithmetic circuits. Comparators, Schmitt trigger, timers and mono-stable multi-vibrator. Sequential circuits, flip-flops, counters, shift registers. Multiplexer, S/H circuit.Analog-to-Digital and Digital-to-Analog converters.Basics of number system.Microprocessor applications, memory and input-output interfacing. Microcontrollers.

Signals, Systems and Communications: Periodic and aperiodic signals. Impulse response, transfer function and frequency response of first- and second order systems. Convolution, correlation and characteristics of linear time invariant systems.Discrete time system, impulse and frequency response. Pulse transfer function. IIR and FIR filters. Amplitude and frequency modulation and demodulation.Sampling theorem, pulse code modulation.Frequency and time division multiplexing. Amplitude shift keying, frequency shift keying and pulse shift keying for digital modulation.

Electrical and Electronic Measurements: Bridges and potentiometers, measurement of R,L and C. Measurements of voltage, current, power, power factor and energy. A.C & D.C current probes. Extension of instrument ranges. Q-meter and waveform analyzer. Digital voltmeter and multi-meter. Time, phase and frequency measurements. Cathode ray oscilloscope. Serial and parallel communication. Shielding and grounding.

Control Systems and Process Control: Feedback principles. Signal flow graphs. Transient Response, steady-state-errors. Routh and Nyquist criteria. Bode plot, root loci. Time delay systems. Phase and gain margin. State space representation of systems. Mechanical, hydraulic and pneumatic system components. Synchro pair, servo and step motors. On-off, cascade, P, P-I, P-I-D, feed forward and derivative controller, Fuzzy controllers.

Analytical, Optical and Biomedical Instrumentation: Mass spectrometry. UV, visible and IR spectrometry. X-ray and nuclear radiation measurements. Optical sources and detectors, LED, laser, Photo-diode, photo-resistor and their characteristics. Interferometers, applications in metrology. Basics of fiber optics. Biomedical instruments, EEG, ECG and EMG. Clinical measurements. Ultrasonic transducers and Ultrasonography. Principles of Computer Assisted Tomography.