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About this book

This book presents up-to-date concepts and design methods relating to space dynamics and control, including spacecraft attitude control, orbit control, and guidance, navigation, and control (GNC), summarizing the research advances in control theory and methods and engineering practice from Beijing Institute of Control Engineering over the years. The control schemes and systems based on these achievements have been successfully applied to remote sensing satellites, communication satellites, navigation satellites, new technology test satellites, Shenzhou manned spacecraft, Tianzhou freight spacecraft, Tiangong 1/2 space laboratories, Chang'e lunar explorers, and many other missions. Further, the research serves as a guide for follow-up engineering developments in manned lunar engineering, deep space exploration, and on-orbit service missions.

Table of Contents

Frontmatter

Chapter 1. Introduction

Abstract
A spacecraft is a vehicle designed to fly in outer space and can perform a variety of specific tasks, such as exploring, developing, or utilizing resources in space or celestial bodies. Spacecraft can be classified into different types depending on their tasks. Given that a spacecraft may perform different space missions at a time, it is difficult to classify spacecraft based on a single criterion alone.
Yongchun Xie, Yongjun Lei, Jianxin Guo, Bin Meng

Chapter 2. Spacecraft Orbits and Orbital Dynamics

Abstract
The trajectory of a spacecraft’s center of mass in space is called its orbit, which entails physical features such as position, velocity, acceleration, and time. The orbital characteristics of a spacecraft are mainly affected by different factors including its initial kinematic properties, the mechanical environment of space, active control forces, and the geometric features of motion. Orbital dynamics and the associated control technologies are critical components of spacecraft engineering.
Yongchun Xie, Yongjun Lei, Jianxin Guo, Bin Meng

Chapter 3. Orbit Control

Abstract
The essence of orbit control is to achieve orbital maneuvers through momentum exchange.
Yongchun Xie, Yongjun Lei, Jianxin Guo, Bin Meng

Chapter 4. Spacecraft Attitude Kinematics and Dynamics

Abstract
Spacecraft attitude describes the rotational motion of a spacecraft around its center of mass, often by the orientation or direction of its fixed body frame with respect to a reference frame.
Yongchun Xie, Yongjun Lei, Jianxin Guo, Bin Meng

Chapter 5. Spacecraft Attitude Determination

Abstract
The main task in the attitude determination of a spacecraft is to accurately estimate the spacecraft’s attitude and angular velocity by gathering data with attitude sensors.
Yongchun Xie, Yongjun Lei, Jianxin Guo, Bin Meng

Chapter 6. Spacecraft Attitude Control

Abstract
Spacecraft attitude control has a variety of requirements, which are mainly for attitude stabilization control and attitude maneuver control. Attitude stabilization control keeps the attitude of a spacecraft along a reference frame by overcoming the influence of the internal and external disturbance torque. Attitude maneuver control refers to the process of changing a spacecraft’s attitude from unknown to known or from one attitude to another; it may also refer to the tracking of the desired attitude. In addition to the attitude control of the spacecraft body, certain subsystems of the spacecraft must be controlled to complete a space mission, necessitating unified attitude control or the hierarchical control of the spacecraft.
Yongchun Xie, Yongjun Lei, Jianxin Guo, Bin Meng

Chapter 7. Autonomous Guidance, Navigation, and Control of Spacecraft

Abstract
The autonomous guidance, navigation, and control (GNC) system is an essential component of a spacecraft. It serves the purposes of determining the attitude and orbital parameters of the spacecraft, guiding the spacecraft to move on the intended orbit or towards the desired target, and controlling the attitude and orbit of the spacecraft according to mission requirements without ground-station support.
Yongchun Xie, Yongjun Lei, Jianxin Guo, Bin Meng
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