Explains electronic control theory in simple, non-mathematical terms and is illustrated by many practical projects suitable fort the student or hobbyist to build. shows how to use sensors as input to the control system, and how to provide output to lamps, heaters, solenoids, relays and motors. Also shows how to use control circuits to link input to output including signal processing, control loops and feedback. Computer based control is explained by practical examples that can be run on a PC. For stand-alone systems,the projects use microcontrollers, such as the inexpensive and easy-to-use Stamp BASIC microcontroller. These projects are chosen to introduce and demonstrate as many aspects as possible of the programming language and techniques. Containing 30 practical projects, this book is of interest to students and lecturers in technology departments of schools, colleges and universities, as well as to the home constructor.
Table of Contents
Introducing to control systems - projects: demonstrating open-loop control , demonstrating the error signal, demonstrating automatic feedback; controlling lamps - projects: automatic porch lam, DC version, automatic porch lamp AC version, a touch-operated bedside lamp, lamp dimmer, camera flash control; controlling solenoids -projects: camera shutter release 1, flag waver, model railway semaphore signal, crossing-barrier lifter; controlling relays -projects: touch-triggered relay, camera release 2; controlling motors - projects: automatic certain drawing, automatic fan control; signal processing - project: thermometer with digital output; mechanical sensors - projects: bar encoder, gary code position sensor; non-mechanical sensors - projects: tachometer, time-limited heater control; closed-loop system - project: servo control using a driver IC; control by computer - projects: monitoring a push-button, using input and output, motor speed control; control by microcontroller -projects: one-bit output, input and output, fire warning, motor speed control, servomotor control, one-digit numeric display, a one-key keyboard; sequential control.Appendix: open loop control summary -regulated 5V supply, other titles of interest, address of supplier.