Development Program (863 Program), the National Natural Science Foundation,
the National Science and Technology Support Program, the Aviation Fund, the
Shanghai Pujiang Talent Program, and the National Cooperation Program. This
book is divided into 14 chapters. Chapter 1 is an introduction, focusing on the
origin, types, and characteristics of pneumatic servo control, so that readers can
understand the history, development process and typical flow characteristics of
pneumatic control. Chapter 2 is pneumatic components foundation, which introduces the types, characteristics and basic characteristics of working medium,
pneumatic control valve, and pneumatic servo valve. Chapters 3 and 4 are new
principles of high-speed pneumatic servo valves including double-orifices symmetrical pneumatic servo valves, double-orifices asymmetrical pneumatic servo
valves, asymmetrical hydraulic valves, symmetrical even underlaps pneumatic
servo valves, symmetrical uneven underlaps pneumatic servo valves, zero-position
flow state of pneumatic servo valves, asymmetrical pneumatic servo valve control
pressure system. Chapter 5 describes the pneumatic servo system, involving the
pneumatic servo system and its working point compensation method,
valve-controlled pneumatic system mathematical model, examples. Chapters 6 and
7 introduce the pneumatic refrigeration mechanism, pneumatic heating mechanism,
pneumatic temperature control principle, new structure, principle, and design
method of ultra-high-pressure pneumatic pressure reducing valve, 35 and 70 MPa
pneumatic pressure reducing valve. Chapter 8 introduces the characteristics of
pneumatic actuators and pneumatic components in extreme environments, including the natural frequencies of cylinders and hydraulic cylinders, the characteristics
of pneumatic motors, and the service characteristics of accumulators and cylinders
in extreme temperatures. Chapters 9 and 10 describe the high-temperature and
high-speed gas turbine pump electro-hydraulic energy system for aircraft, the
aerodynamic principle of aircraft attitude control, involving the research achievements of electro-hydraulic servo control technology of aircraft gas turbine pump,
gas generator, gas turbine, electro-hydraulic energy combination, gas turbine motor
hydraulic pump electro-hydraulic energy system, gas steering gear, new pneumatic
method and new principle of aircraft attitude control, etc. Chapters 11 and 12
introduce pneumatic DTH hammers and pneumatic hydraulic hammers, including
the design theory, methods, and examples of large-diameter pneumatic DTH
hammers and drills, high-speed pneumatic hydraulic composite hammers and
analytical models of pile and soil. Chapters 13 and 14 are pneumatic frontier
applications, including fuel cell vehicle hydrogen transmission system, pneumatic
principle and mathematical model of the oscillating water column type wave power
generation, and application example of oscillating water column wave power station. The purpose of this book is to provide useful frontier theoretical and practical
materials for the professional and technical personnel in the research, design,
manufacture, testing, and management of major equipment and weapons systems in
China, and to promote the exploration of the unknown basic theories, technical
approaches or solutions in the field of high-speed pneumatic control in
aerodynamics.
vi
Preface
the National Science and Technology Support Program, the Aviation Fund, the
Shanghai Pujiang Talent Program, and the National Cooperation Program. This
book is divided into 14 chapters. Chapter 1 is an introduction, focusing on the
origin, types, and characteristics of pneumatic servo control, so that readers can
understand the history, development process and typical flow characteristics of
pneumatic control. Chapter 2 is pneumatic components foundation, which introduces the types, characteristics and basic characteristics of working medium,
pneumatic control valve, and pneumatic servo valve. Chapters 3 and 4 are new
principles of high-speed pneumatic servo valves including double-orifices symmetrical pneumatic servo valves, double-orifices asymmetrical pneumatic servo
valves, asymmetrical hydraulic valves, symmetrical even underlaps pneumatic
servo valves, symmetrical uneven underlaps pneumatic servo valves, zero-position
flow state of pneumatic servo valves, asymmetrical pneumatic servo valve control
pressure system. Chapter 5 describes the pneumatic servo system, involving the
pneumatic servo system and its working point compensation method,
valve-controlled pneumatic system mathematical model, examples. Chapters 6 and
7 introduce the pneumatic refrigeration mechanism, pneumatic heating mechanism,
pneumatic temperature control principle, new structure, principle, and design
method of ultra-high-pressure pneumatic pressure reducing valve, 35 and 70 MPa
pneumatic pressure reducing valve. Chapter 8 introduces the characteristics of
pneumatic actuators and pneumatic components in extreme environments, including the natural frequencies of cylinders and hydraulic cylinders, the characteristics
of pneumatic motors, and the service characteristics of accumulators and cylinders
in extreme temperatures. Chapters 9 and 10 describe the high-temperature and
high-speed gas turbine pump electro-hydraulic energy system for aircraft, the
aerodynamic principle of aircraft attitude control, involving the research achievements of electro-hydraulic servo control technology of aircraft gas turbine pump,
gas generator, gas turbine, electro-hydraulic energy combination, gas turbine motor
hydraulic pump electro-hydraulic energy system, gas steering gear, new pneumatic
method and new principle of aircraft attitude control, etc. Chapters 11 and 12
introduce pneumatic DTH hammers and pneumatic hydraulic hammers, including
the design theory, methods, and examples of large-diameter pneumatic DTH
hammers and drills, high-speed pneumatic hydraulic composite hammers and
analytical models of pile and soil. Chapters 13 and 14 are pneumatic frontier
applications, including fuel cell vehicle hydrogen transmission system, pneumatic
principle and mathematical model of the oscillating water column type wave power
generation, and application example of oscillating water column wave power station. The purpose of this book is to provide useful frontier theoretical and practical
materials for the professional and technical personnel in the research, design,
manufacture, testing, and management of major equipment and weapons systems in
China, and to promote the exploration of the unknown basic theories, technical
approaches or solutions in the field of high-speed pneumatic control in
aerodynamics.
vi
Preface