Precision Motion Systems: Modeling, Control, and Applications

By Jian Liang, Bindi You, Deqing Huang and 2 more

Precision Motion Systems: Modeling, Control, and Applications presents basic dynamics and the control knowledge needed for the daily challenges of researchers and professionals working in the field. The book explains accurate dynamics and control algorithms, along with experimental validation of precision systems in industrial, medical, airborne and spaceborne applications. By using the proposed experimental designs, readers will be able to make further developments and validations.

• Presents accurate dynamics and control algorithms in industrial, medical, airborne and spaceborne applications
• Explains basic dynamics and control knowledge, such as Laplace transformations and stability analysis
• Teaches how to design, develop and control typical precision systems

• Language: English
• Publisher: Elsevier Science
• Release date: May 30, 2019
• ISBN: 9780128186022

Jian Liang

His research interests include dynamics and precision control of space structures.

Book preview

2018

Chapter One

Introduction

Lei Liu; Jian Liang    Northwestern Polytechnical University, School of Astronautics, Xi'an, China

Abstract

This chapter has a brief introduction of this book's content: modeling, control and application of precision motion systems, which include industrial, airborne and spaceborne precision motion systems. Research status of these precision motion systems is firstly introduced. Then, based on the research status, the research contents of this book are presented.

Keywords

Precision motion systems; Industrial, airborne and spaceborne precision motion systems; Research status; Research contents

Chapter Outline

References

This book focuses on precision motion systems, including industrial, air- and spaceborne precision motion systems. Modeling, control and application of the precision motion systems are introduced in this book. Chapters 2–5 investigate industrial precision motion systems. Chapter 6 focuses on a kind of airborne precision motion system. Chapters 7–10 investigate spaceborne precision motion systems.

The precision system investigated in Chapter 2 is the linear direct feed drive with JDC (jerk-decoupling cartridge) configuration. Modeling and controller design of the linear direct feed drive are carried out in this chapter. In high-volume manufacturing industries such as electronics and semiconductor sectors, there is a growing need for high-speed precision machines to achieve high production throughput and high production quality [1–4]. The linear direct feed drive is an excellent choice to meet the requirement of high speed, ultra precision and improved reliability due to the simplicity of its mechanical construction [5]. As shown in Fig. 1.1, there are three configurations of feed drive design in machine tool branch from the existing literature [6]. The first is the fixed-mounted feed drive as shown in Fig. 1.1A. In this design, the impulsive high reaction force is directly transmitted to the machine frame and residual vibration is induced to auxiliary devices on the machine frame. The second design, named active-mounted feed drive, in Fig. 1.1B has an additional linear motor installed between the machine frame and the secondary part. This is to actively compensate the reaction force [7]. The third configuration, named suspended feed drive, as in Fig. 1.1C decouples the reaction force from the machine frame by introducing the jerk-decoupling cartridge (JDC) between the secondary part and the machine frame [6,8,9]. The JDC has been implemented either in a linear feed drive [10] or a pinion–shaft or a ball–screw driven system [11]. Remarkably, by tuning the coefficients of the JDC, one can adjust the resonant modes of the system in the design phase rather than suppressing them in the control phase [9]. In [12], the jerk-decoupling technique is applied to a high-speed linear direct drive stage, the jerk transmitted to the machine frame is verified to be reduced significantly. Notice that in Fig. 1.1C, the impulse to the machine frame is not only determined by the mechanical parameters of JDC [9], but also linked to the motion trajectory and controller parameters of the primary