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Automatic controls for heating and air conditioning : principles and applications /

International Series in Heating and Ventilation, Volume 15: Automatic Controls for Heating and Air Conditioning: Principles and Applications details the relationship between theory and practice in implementing an automated system for thermal regulation.

Detalles Bibliográficos
Clasificación:Libro Electrónico
Autor principal: Letherman, K. M.
Formato: Electrónico eBook
Idioma:Inglés
Publicado: Oxford ; New York : Pergamon, 1981.
Edición:First edition.
Colección:International series in heating, ventilation, and refrigeration ; v. 15.
Temas:
Acceso en línea:Texto completo
Tabla de Contenidos:
  • Front Cover; Automatic Controls for Heating and Air Conditioning: Principles and Applications; Copyright Page; Dedication; PREFACE; Table of Contents; LIST OF SYMBOLS; CHAPTER 1. SENSORS AND INSTRUMENTATION; 1.1 Temperature sensing and instrumentation; 1.2 Humidity; CHAPTER 2. APPLICATIONS; 2.1 Final control elements; 2.2 Domestic heating controls; 2.3 Boiler and chiller controls; 2.4Air-conditioning controls; 2.5 Solar collector system controls; 2.6 Building automation systems; 2.7 Plant and room transfer functions; CHAPTER 3. CONTROLLER MECHANISMS AND CIRCUITS.
  • 3.1 Pneumatic control
  • air supply3.2 Electric controllers; 3.3 Electronic control; 3.4 Switching thermostats andhumidistats; 3.5 Step controllers; 3.6 Time switches; 3.7 Thermostatic radiator valves; CHAPTER 4. CONTROLLER CHARACTERISTICS; 4.1 Proportional control; 4.2 Steady-state responses in proportional control ; 4.3 Three-term controllers; proportional, integral andderivative actions; 4.4 Stability limits with continuous controllers; 4.5 Empirical choice of controller settings; 4.6 On/Off controller; CHAPTER 5. BASIC THEORY OF LINEAR AUTOMATIC CONTROL.
  • 5.1 Introduction to closed-loop negative feedback control5.2 Transfer function description of linear systems; 5.3 Laplace transforms; 5.4 Application of Laplace transforms to the analysis of a heat exchanger; 5.5 First-order step response; 5.6 Second-order step response; 5.7 Higher-order systems and stability; 5.8 Routh's criterion; 5.9 Roots of polynomial equations; 5.10 Frequency response plots; 5.11 The Nyquist criterion; CHAPTER 6. ANALYSIS OF NON-LINEAR SYSTEMS; 6.1 Introduction to non-linear control; 6.2 The step response method; 6.3 The describing function method; 6 4 Tsypkin's method.
  • 6.5 Comparison of the three methodsBibliography; Problems; Appendix; Index.