Principle, design and optimization of air balancing methods for the multi-zone ventilation systems in low carbon green buildings / Xin Zhang, Can Cui, Wen-Jian Cai, Hui Cai, Gang Jing.

Intro
Preface
Contents
About the Authors
1 Introduction of the Air Balancing Technology
1.1 Background
1.1.1 Overview of HVAC Systems
1.1.2 Overview of Air Duct Systems
1.2 Basic Knowledge of the Air Balancing
1.2.1 Mathematical Modeling of the Air Duct System
1.2.2 Theoretical Analysis on Energy Consumption in Air Duct Systems Caused by Over Ventilation
1.2.3 The Concept and Basic Knowledge of the Air Balancing
1.2.4 Benefits of the Air Balancing
1.3 Implementation of the Air Balancing
1.3.1 Principles of the Air Balancing

1.3.2 Traditional Air Balancing Procedure
1.3.3 The Existing Air Balancing Methods
1.4 Organization of This Book
References
2 A Hierarchical Air Balancing Method via PID Control
2.1 Introduction
2.2 The Proposed Hierarchical Control Structure for the VAV System
2.2.1 Description of the Test Bed
2.2.2 The Proposed Hierarchical Control Structure
2.3 The Proposed PID Control Strategy of the Fan-Duct System
2.3.1 Transfer Function of the Fan-Duct System
2.3.2 Open Loop Step Test with Two Points Method

2.3.3 PID Parameter Estimation Method Based on the Gain and Phase Margin Method
2.4 The Proposed PID Controller of the Damper in the Duct System
2.4.1 Characteristic of the Damper
2.4.2 Transfer Function Modelling of the Damper
2.4.3 PID Parameter Estimation Method
2.5 Experimental Results
2.5.1 Experiments of the PID Control of the Fan-Duct System
2.5.2 Experiments of the PID Controller of the Damper
2.5.3 Experiments of the Dual Loop PID Strategy for the Duct System
2.6 Conclusion
References
3 A Gradient-Based Online Adaptive Air Balancing Method

3.1 Introduction
3.2 The Proposed Gradient-Based Online Adaptive Air Balancing Method
3.2.1 Objective of the Proposed Gradient-Based Online Adaptive Air Balancing Method
3.2.2 Refinement of Damper Adjustment with Consideration of Energy Conservation
3.2.3 Estimation of Jacobian Matrix and Online Adaptation
3.2.4 Low-Pass Filter Trick
3.2.5 Final Form of the Proposed Gradient-Based Online Adaptive Air Balancing Method
3.3 Design Principle of the Proposed Gradient-Based Online Adaptive Air Balancing Method