Control system components

Preface

Chapter 1 Electric Networks for Control Systems:
Introduction; Resistors; Variable Resistors; The Precision Variable Resistor; Mechanical Characteristics of the Precision Variable Resistor; Nonlinear Precision Variable Resistors; Temperature Coefficients of Resistance; Capacitors; Inductors; The Analysis of Simple Networks; Steady-state Frequency Response from the Transfer Function; Asymptotic Representation of the Frequency Response; Common RC Networks; The Synthesis of RC Networks. Introduction; Properties of RC Networks; Properties of Two-terminal RC Networks; Transfer Functions Realizable with Four-terminal RC Networks; L Sections; Cascading of L Sections; Approximate Ladder-network Synthesis; Approximate Synthesis of L Sections; An Exact Synthesis of L Sections for Simple Transfer Functions; The Exact Synthesis of L Sections. General Method; Exact Synthesis of RC Driving-point Impedances; Numerical Example; Bridge-T and Twin-T Networks; Use of Amplifiers with RC Networks; Reliability; Problems.

Chapter 2 D-C Amplifiers:
Introduction; Drift in D-C Amplifiers; Effect of Negative Feedback on drift; Analysis of Simple Triode Circuits; The Cathode Follower; Input Impedance of the Cathode Follower; Drift Due to Component Variation; Cathode Follower with Plate-load Resistor; Equivalent circuit for the Cathode Follower; The Triode Amplifier with Cathode Bias; The Difference Amplifier; The Miller Circuit; Phase Inverters; The Cathode-follower Inverter; The Paraphase, or Balanced, Inverter; The Cathode-coupled Inverter; Interstage Coupling Networks; The Transistor D-C Amplifier; Analysis of Simple Transistor Circuits; Single-stage Circuits; Drift in Transistor Amplifiers; Multistage Amplifiers; The Chopper-stabilized D-C Amplifier; Design Considerations; Triode Amplifier with Resistance-coupling Network; Design of Triode Amplifiers with Neon-tube Type Interstage Coupling Network; Design of Cathode-follower Circuits; Design of Difference Amplifiers; Problems.

Chapter 3 Power Amplifiers:
Introduction; A-C Power Amplifiers; D-C Power Amplifiers; Thyratron Amplifiers; Control of Firing Angle; The Thyratron Amplifier with an Inductive Load; The Full-wave Thyratron Amplifier with Inductive Load; Thyratron-amplifier Transfer Function ; The Thyratron Amplifier with a D-C-motor Load ; The Effect of Armature Inductance; D-C Motor Driven by Full-wave Circuit; Thyratron Circuits for Reversing Control; Other Thyratron Applications; Relay Amplifiers; Relay-amplifier Stability; Relay-amplifier Static Characteristic; The Frequency Response of a Relay Amplifier; Magnetic Amplifiers. Introduction; Operation of the Series-connected Magnetic Amplifier; Time Constant of the Series-connected Amplifier; Reactors Connected in Parallel; Magnetic Amplifiers with Feedback; The Self-saturated Magnetic Amplifier; The Ramey Magnetic Amplifier; Problems.

Chapter 4 D-C Machines:
Introduction; Generated Voltage in a Simple D-C Generator; The Effects of Hysteresis and Eddy Currents; Factors Affecting Terminal Voltages of a Loaded Generator; Figure of Merit; The Rototrol Generator; Analysis of the Rototrol Generator; Pilot Generators with Several Control Windings; The Regulex Generator; The Amplidyne Generator; Analysis of the Amplidyne; The Equivalent Circuit of the Amplidyne; Inaccuracies in the Amplidyne Analysis; Comparison of the Various Generator Types; D-C Motors with Separate Excitation; Relation between the Transfer Function and the Speedtorque Curves; An Equivalent Circuit for the D-C Motor; Inaccuracies in the Motor Analysis; Other D-C Motor Types; The Field-controlled Motor; Problems.

Chapter 5 Synchros and Related Devices:
Accuracy and Precision; Elementary Operation of Synchros; Static Errors and Residual Voltages; Velocity Errors; Two-speed Systems; The Differential Generator; Synchro Repeaters; Variable-reluctance Transducers; The Microsyn; Problems.

Chapter 6 Demodulators and Modulators:
Fundamental Concepts; Analysis of the Half-wave Discriminator; Full-wave-discriminator Circuits; Other Triode Discriminator Circuits; Diode Discriminators; Electromechanical Demodulators; The Clamping Discriminator; Modulators; Drift in Modulators; Problems.

Chapter 7 A-C Motors:
Introduction; Construction Features; Theory of Operation; Theory of Operation of A-C Servomotors; Approximate Transfer Function of the A-C Servomotor; Figures of Merit for A-C Motors; Motor Characteristics in the Presence of Finite Control Impedance; Unbalanced Stator Windings; Single-phasing of an Induction Motor; The Induction Motor as a Tachometer; Other A-C Servomotors. The Shaded-pole Induction Motor; Problems.

Chapter 8 Mechanical Networks and Gears:
Introduction; Springs, Masses, and Dashpots; Mechanical Equalizers; Electromechanical Networks for Carrier Servos; The Lancaster Damper; Gears; Design of Gear Trains for Minimum Inertia; Gear Ratio for Load Matching; Backlash in Gears; Ball-screw Actuator; Problems.

Chapter 9 Mechanical Components:
Introduction; Differential Gears; The Universal Joint; Strain Gauges; The Flyweight Tachometer; The Gyroscope. Introduction; The Gyroscope. Precession; Gyroscope. Equations of Motion; Practical Gyroscopes; Gyroscope Applications; Application of Gyroscopes to Inertial Navigation; Problems.

Chapter 10 Pump-controlled Hydraulic Systems:
Introduction; Basic Types of Hydraulic Control Systems; The Pump-controlled Hydraulic System; Analysis of the Pump-controlled System; Transfer Function of the Pump-controlled System; Other Pump and Motor Types; Piston Pumps; Vane Pumps; Gear Pumps; The Ball Pump; Hydraulic Transmission Lines; Problems.

Chapter 11 Valve-controlled Hydraulic Systems:
Introduction; Spool-type Pilot Valves; Pulsed Operation of Hydraulic Valves; Flow-pressure Relations in Orifices and Valves; Axia1 Hydraulic Reaction Forces in Spool-type Valves; Radial Hydraulic Forces in Spool-type Valves; Graphical Analysis of Flow Control Valves; Linearized Small-signal Analysis; Flapper Valves; Nozzle Valves; Slide Valves; Two-stage Valves; Pressure-regulating Devices; Choice of Operating Pressure for Hydraulic Systems; Problems.

Chapter 12 Pneumatic Systems:
Introduction; Pneumatic Flow; Pneumatic Flow through an Orifice; Compressible Flow in Pipes; Compressibility as an Equivalent Spring; Pneumatic Transmission Lag; Pneumatic-Electric Analogs and Control Functions; A Pneumatic Control System; Problems.

Chapter 13 Pneumatic Components:
Introduction; Comparison of Weight of Electric, Hydraulic, and Pneumatic Systems; Choice of Operating Pressure; Pneumatic Power Supplies; Pneumatic Control Valves; Pneumatic Motors; Actuators; Problems.

Index